VERTIV DCS48375 Converter System Installation Guide
- June 16, 2024
- VERTIV
Table of Contents
- DCS48375 Converter System
- Specifications
- Product Usage Instructions
- Mounting the Converter System
- Connecting Power
- Installing Converter Modules
- Load Distribution
- Q: What is the maximum output capacity of the Converter
- Q: Can I choose the output voltage for the Converter
- Q: How many converter modules can be installed in the
- Q: What is the color of the Converter System?
DCS48375 Converter System
Specifications
-
Family: VertivTM NetSureTM
-
Model: DCS48375
-
Shelves per System: (1) Main Shelf, up to (2) Expansion
Shelves -
Input Voltage: Nominal +24VDC
-
Output Voltage: -48VDC, -50VDC, -52VDC, or -54VDC (User
Selectable) -
Output Capacity:
- per Converter Module: 31A (1500W)
- per Shelf: 125A, maximum (Converter Output)
- per Distribution Row: 250A, maximum (Distribution Load)
- System: 375A, maximum (Converter Output + Distribution
Load)
-
Agency Approval: UL 60950 Recognized (c UR), NEBS
-
Mounting Type: Nominal 19 or 23 Relay Rack or Equipment Rack
Mounting -
Mounting Depth: 18.750 (w/out Expansion Wiring Cover), 20.375
(with Expansion Wiring Cover) -
Mounting Height: 6.968 (4U) (w/out optional 1U Wiring Space
Access Cover), 7.718 (5U) (with optional 1U Wiring Space Access
Cover) -
Access: Front and Rear for Installation, Expansion, and
Maintenance. Front for Operation. -
Color: Distribution Door and Converter Module Faceplates –
Textured Gray, Shelf – Galvannel -
Environment: Spec. No: 584622100, 584622200, 584622300,
584622400 Model No: DCS48375 SAG584622100, SAG584622200,
SAG584622300, SAG584622400 -
Revision J, May 9, 2023
Product Usage Instructions
Mounting the Converter System
-
Choose a suitable location for mounting the VertivTM NetSureTM
DCS48375 Converter System. -
If using a relay rack or equipment rack, ensure it is of
nominal 19 or 23 size. -
Ensure the mounting depth is sufficient for the system. Without
the expansion wiring cover, the mounting depth should be 18.750.
With the expansion wiring cover, it should be 20.375. -
If using an optional 1U Wiring Space Access Cover, the mounting
height should be 6.968 without the cover and 7.718 with the
cover. -
Mount the system using the provided mounting angles at the
front and rear of the system.
Connecting Power
- Ensure the input voltage is +24VDC.
- Select the desired output voltage (-48VDC, -50VDC, -52VDC, or
-54VDC) using the user-selectable option. - If using dual input feed busbars, connect them to the
system.
Installing Converter Modules
-
Open the front access of the system.
-
Insert up to four (4) DC-DC converter modules into the
designated slots in the main shelf or expansion shelves. -
Ensure the modules are securely fitted.
Load Distribution
- Open the front access of the system.
- Connect the load distribution return connection points to the
appropriate positions on the 15-position load distribution fuse /
circuit breaker panel.
FAQ
Q: What is the maximum output capacity of the Converter
System?
A: The Converter System has a maximum output capacity of 375A,
which includes both the converter output and distribution load.
Q: Can I choose the output voltage for the Converter
System?
A: Yes, the Converter System allows you to select the output
voltage from options such as -48VDC, -50VDC, -52VDC, or -54VDC.
Q: How many converter modules can be installed in the
system?
A: The system can accommodate up to four (4) DC-DC converter
modules.
Q: What is the color of the Converter System?
A: The distribution door and converter module faceplates have a
textured gray color, while the shelf is Galvannel.
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
SYSTEM OVERVIEW
Description: +24VDC to -48VDC @ up to 375A converter system. The VertivTM
NetSureTM DCS48375 Converter System is comprised of a main shelf and up to two
(2) expansion shelves. Each shelf provides mounting positions for up to four
(4) converter modules. Each shelf also provides a 15-position distribution row
(19″ version) or 20-position distribution row (23″ version) which accepts
bullet nose circuit breakers and TPS/TLS fuseholders. A GMT fuse block option
is also available. Note: Refer to UM1C24481500 (Converter Module User
Instructions) for converter module information.
General Specifications See detailed specifications on page 24.
Family: Spec. Nos.:
Model: Shelves per System: Input Voltage Output Voltage:
Output Capacity: per Converter Module: per Shelf: per Distribution Row:
System:
Agency Approval:
Mounting Type: Mounting Depth:
Mounting Height:
Access:
Color:
Environment:
VertivTM NetSureTM
584622100 (Main Shelf 19″ version) 584622200 (Expansion Shelf 19″ version)
584622300 (Main Shelf 23″ version) 584622400 (Expansion Shelf 23″ version)
DCS48375
(1) Main Shelf, up to (2) Expansion Shelves
Nominal +24VDC
-48VDC, -50VDC, -52VDC, or -54VDC (User Selectable)
31A (1500W) 125A, maximum (Converter Output) 250A, maximum (Distribution Load)
375A, maximum (Converter Output + Distribution Load)
UL 60950 Recognized (“c UR”), NEBS (see “1.4 System Compliance Information”
under SPECIFICATIONS)
Nominal 19″ or 23″ Relay Rack or Equipment Rack Mounting
18.750″ (w/out Expansion Wiring Cover) 20.375 (with Expansion Wiring Cover) 6″
Front Projection
6.968″ (4U) (w/out optional 1U Wiring Space Access Cover) 7.718″ (5U) (with
optional 1U Wiring Space Access Cover)
Front and Rear for Installation, Expansion, and Maintenance. Front for
Operation.
Distribution Door and Converter Module Faceplates: Textured Gray Shelf:
Galvannel
-40°C to +40°C (-40°F to +104°F). -40°C to +65°C (-40°F to +149°F), with derating. (see “1.3.1 Operating Ambient Temperature Range:” under SPECIFICATIONS)
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 1
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
TABLE OF CONTENTS
SYSTEM
OVERVIEW…………………………………………………………………………………………………………………………………………………………………………………….
1
MAIN COMPONENTS
ILLUSTRATIONS……………………………………………………………………………………………………………………………………………………..3
584622100 (19″ Main Shelf), 584622300 (23″ Main Shelf), 584622200 (19″
Expansion Shelf), 584622400 (23″ Expansion Shelf)
…………………………………………………………………………………………………………………………………………………………………………………….3
ORDERING INFORMATION
………………………………………………………………………………………………………………………………………………………………………….4 584622100
Main Shelf and 584622200 Expansion Shelves 19″ Version
…………………………………………………………………………………………4 584622300 Main Shelf and 584622400
Expansion Shelves 23″ Version………………………………………………………………………………………..4 DC-DC
Converter Module (P/N
1C24481500)………………………………………………………………………………………………………………………………………4 Distribution
Devices……………………………………………………………………………………………………………………………………………………………………………….5
Bullet Nose Circuit Breakers and Bullet Nose Fuseholders e/w TPS/TLS
Fuses………………………………………………………………………………………..5 Optional Bullet Nose 6-Position GMT
Distribution Fuse Block (P/N 545333)………………………………………………………………………………………………9
Bullet Nose Bypass Busbar (P/N 535015)
………………………………………………………………………………………………………………………………………………………………….10 Replacement
Alarm, Reference, and Control Fuses
………………………………………………………………………………………………………………………………………………10 Special Application
Crimp Lugs, Busbar Adapter Kits, and Hardware Kits
……………………………………………………………………………………..10 Special Application Crimp Lugs
…………………………………………………………………………………………………………………………………………………………………………………….10 Busbar
Adapter and Hardware Kits
………………………………………………………………………………………………………………………………………………………………………………11 Wiring
Notes …………………………………………………………………………………………………………………………………………………………………………………………13
Recommended Frame Ground Wire Size and Lug Selection
……………………………………………………………………………………………………………………………..13 Recommended DC Inputs Wire
Sizes and Lugs Selection ………………………………………………………………………………………………………………………………….13
Recommended Load Distribution Wire Sizes and Lugs Selection
…………………………………………………………………………………………………………………..15 Recommended External Alarm,
Reference, Monitoring, and Control Wire
Sizes……………………………………………………………………………………….17 Wiring Illustrations
……………………………………………………………………………………………………………………………………………………………………………….18 DC
Inputs and Frame Ground
…………………………………………………………………………………………………………………………………………………………………………………………18 Load
Distribution (TPS/TLS Fuses and Bullet Nose Circuit
Breakers)………………………………………………………………………………………………………….19 Load Distribution
(Optional Bullet Nose 6-Position GMT Fuse Block)
…………………………………………………………………………………………………………20 External Alarm, Reference,
Monitoring, and
Control……………………………………………………………………………………………………………………………………………..21 Shelf
Interconnections
……………………………………………………………………………………………………………………………………………………………………………………………………..22
SPECIFICATIONS……………………………………………………………………………………………………………………………………………………………………………………….
24 1.1 System Output
Ratings………………………………………………………………………………………………………………………………………………………………….24 1.2
System Input Ratings
……………………………………………………………………………………………………………………………………………………………………. 24 1.3 System
Environmental
Ratings……………………………………………………………………………………………………………………………………………………..24 1.4 System
Compliance Information
………………………………………………………………………………………………………………………………………………….. 25 1.5 System
Standard Features…………………………………………………………………………………………………………………………………………………………….
25
MECHANICAL SPECIFICATIONS
…………………………………………………………………………………………………………………………………………………………….. 26 Overall
Dimensions 584622100 Main Shelf
……………………………………………………………………………………………………………………………………. 26 Overall Dimensions
584622200 Expansion Shelf ………………………………………………………………………………………………………………………….. 27
Overall Dimensions 584622300 Main Shelf
…………………………………………………………………………………………………………………………………… 28 Overall Dimensions
584622400 Expansion Shelf………………………………………………………………………………………………………………………….. 29
RELATED DOCUMENTATION
………………………………………………………………………………………………………………………………………………………………….30
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 2
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide MAIN COMPONENTS ILLUSTRATIONS 584622100 (19″ Main
Shelf), 584622300 (23″ Main Shelf), 584622200 (19″ Expansion Shelf), 584622400
(23″ Expansion Shelf)
584622100 / 584622200 shown. 584622300 / 584622400 similar.
Optional 1U Wiring Space Access Cover (if space permits). Allows greater
access to load distribution return connection points.
One (1) Main Shelf Up to Two (2) Expansion Shelves
Dual Input Feed Adapter Busbars
Mounting Angles
15-Position (19″ version) 20-Position (23″ version) Distribution Panel
P/N 1C24481500 Converter Modules. Four (4) per Shelf.
Front View (door removed in illustration for clarity only)
Expansion Wiring Access Cover
(extra cover supplied with Expansion Shelf, to be installed on Main Shelf)
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 3
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
ORDERING INFORMATION 584622100 Main Shelf and 584622200 Expansion Shelves
19″ Version
Features Includes reversible mounting angles for nominal 19″ or 23″ rack
mounting. Includes the optional 1U wiring space access cover. Includes two (2)
P/N 552506 optional dual input feed busbars. Accepts up to four (4) DC-DC
converter modules. Includes a 15-position load distribution fuse / circuit
breaker panel which accepts…
3A to 100A TPS/TLS fuses, 1A to 250A bullet nose circuit breakers, and
“Optional Bullet Nose 6-Position GMT Distribution Fuse Block (P/N 545333)”.
Ordering Notes 1) Order one (1) Spec. No. 584622100 Main Shelf and up to two
(2) Spec. No. 584622200 Expansion Shelves per system. 2) Order DC-DC converter
modules (P/N 1C24481500) as required. 3) Refer also to “Distribution Devices”,
“Special Application Crimp Lugs, Busbar Adapter Kits, and Hardware Kits”, and
“Wiring Notes” under ORDERING INFORMATION.
584622300 Main Shelf and 584622400 Expansion Shelves 23″ Version
Features Includes the optional 1U wiring space access cover. Includes two (2)
P/N 552506 optional dual input feed busbars. Accepts up to four (4) DC-DC
converter modules. Includes a 20-position load distribution fuse / circuit
breaker panel which accepts…
3A to 100A TPS/TLS fuses, 1A to 250A bullet nose circuit breakers, and
“Optional Bullet Nose 6-Position GMT Distribution Fuse Block (P/N 545333)”.
Ordering Notes 1) Order one (1) Spec. No. 584622300 Main Shelf and up to two
(2) Spec. No. 584622400 Expansion Shelves per system. 2) Order DC-DC converter
modules (P/N 1C24481500) as required. 3) Refer also to “Distribution Devices”,
“Special Application Crimp Lugs, Busbar Adapter Kits, and Hardware Kits”, and
“Wiring Notes” under ORDERING INFORMATION.
DC-DC Converter Module (P/N 1C24481500)
Features Provides one (1) Model C24/48-1500, Spec. No. 1C24481500,
1500 watt / 24 to 48 volt DC-DC converter module. Refer to UM1C24481500
(Converter Module User Instructions) for converter
module information. Restrictions Each shelf accepts up to four (4) DC-DC
converter modules. Ordering Notes 1) Order by P/N 1C24481500 as required.
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 4
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
Distribution Devices
Bullet Nose Circuit Breakers and Bullet Nose Fuseholders e/w TPS/TLS Fuses
Features
A single fuseholder provides for installation of a 3A to 100A Bussmann TPS or Littelfuse TLS fuse (as listed in Table 1). This fuseholder plugs into a single distribution row mounting position. This fuseholder provides a GMT-A alarm fuse, which operates open to provide an alarm indication if the associated distribution fuse opens.
Each circuit breaker (as listed in Table 2 and Table 3) plugs into one, two, or three distribution row mounting position(s).
Restrictions
Load should not exceed 80% of device rating.
Unless otherwise specified, fuses and/or circuit breakers are mounted from left to right, starting with the highest capacity and working to the lowest capacity.
125A, 150A, 175A, and 200A circuit breakers occupy two mounting positions. 225A and 250A circuit breakers occupy three mounting positions.
Caution:
For ambient temperatures at or below +40°C (+104°F), overcurrent devices rated 100A or greater MUST HAVE an empty mounting position between it and any other overcurrent protective device. Maximum size circuit breakers that can be used are 100A single pole, 200A double pole, and 250A triple pole. Maximum size fuse is 100A. The distribution row is rated for a maximum of 250A.
For ambient temperatures between +40°C (+104°F) and +65°C (+149°F), overcurrent devices rated 60A or greater MUST HAVE an empty mounting position between it and any other overcurrent protective device. Maximum size circuit breakers that can be used are 70A single pole. No double pole or triple pole circuit breakers can be used. Maximum size fuse 70A. The distribution row is rated for a maximum of 250A.
Ordering Notes
-
Order distribution fuses as required per Table 1. Also order one (1) P/N 117201 bullet nose fuseholder per fuse ordered. Order replacement alarm fuses (18/100A) per Table 5.
-
Order distribution circuit breakers as required per Table 2 or Table 3.
-
See Table 11 for recommended load distribution wire sizes and to order lugs.
· Distribution devices requiring a single distribution position require a two hole lug with 1/4″ bolt clearance holes on 5/8″ centers (order per Table 11, order hardware kits per Table 7).
· Distribution devices requiring two (2) or three (3) distribution positions require special application lugs (order per Table 11 and Table 6) or busbar adapter kits (order per Table 7) and two hole lugs with 3/8″ bolt clearance holes on 1″ centers (order per Table 8).
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 5
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
Ampere Rating
Part Number
Bussmann P/N Littelfuse P/N
3
248230900
TPS-3
TLS003
5
248231000
TPS-5
TLS005
6
248231200
TPS-6
TLS006
10
248231500
TPS-10
TLS010
15
248231800
TPS-15
TLS015
20
248232100
TPS-20
TLS020
25
248232400
TPS-25
TLS025
30
248232700
TPS-30
TLS030
40
248233300
TPS-40
TLS040
50
248233900
TPS-50
TLS050
60
248234200
TPS-60
TLS060
70
248234500
TPS-70
TLS070
80
118413
—
TLS080
90
118414
—
TLS090
100
118415
—
TLS100
Bullet Nose Fuseholder
P/N 117201 (Includes Fuseholder, 18/100A GMT-A Alarm Fuse, and GMT-X Safety Fuse Cover)
See Table 11 for recommended load distribution wire sizes and lugs.
Table 1 Bullet Nose Fuseholders and TPS/TLS Fuses
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 6
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
Ampere Rating
Number of Poles
Number of Mounting Positions
Part Number
Electrical Trip1 (White Handle)
Electrical/ Mechanical Trip2 (Black Handle)
1
1
3
1
5
1
10
1
15
1
20
1
25
1
30
1
35
1
40
1
45
1
50
1
60
1
70
1
75
1
80
1
100
1
125
2
150
2
175
2
200
2
225
3
250
3
1
102272
101596
1
102273
101597
1
102274
101598
1
102275
101599
1
102276
101600
1
102277
101601
1
102278
101602
1
102279
101603
1
102280
101604
1
102281
101605
1
121998
121997
1
102282
101606
1
102283
101607
1
102284
101608
1
102285
101609
1
121996
121995
1
102286
101610
2
516991
516838
2
516993
516839
2
144883
144884
2
121831
121832
3
144885
144886
3
121835
121836
See Table 11 for recommended load distribution wire sizes and lugs.
For 2-pole devices; either order lugs from Table 6 or adapter kit 545404 and lugs from Table 8.
For 3-pole devices; either order lugs from Table 6 or adapter kit 545571 and lugs from Table 8.
Circuit Breaker Alarm Operation: 1 Provides an alarm during an electrical trip
condition only. 2 Provides an alarm during an electrical or manual trip
condition.
Table 2 Toggle Handle Bullet Nose Circuit Breakers
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 7
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
Ampere Rating
Number of Poles (and Mounting
Positions)
Number of Mounting Positions
Part Number
Electrical Trip1 (White Handle)
Electrical/ Mechanical Trip2 (Black Handle)
1
1
3
1
5
1
10
1
15
1
20
1
25
1
30
1
35
1
40
1
45
1
50
1
60
1
70
1
75
1
80
1
100
1
125
2
150
2
200
2
250
3
1
142856
142878
1
142857
142879
1
142858
142880
1
142859
142881
1
142861
142882
1
142862
142883
1
142863
142884
1
142864
142885
1
142865
142886
1
142866
142887
1
142867
142888
1
142868
142889
1
142869
142890
1
142870
142891
1
142871
142892
1
142872
142901
1
142873
142902
2
142874
142903
2
142875
142904
2
142876
142905
3
142877
142906
See Table 11 for recommended load distribution wire sizes and lugs.
For 2-pole devices; either order lugs from Table 6 or adapter kit 545404 and lugs from Table 8.
For 3-pole devices; either order lugs from Table 6 or adapter kit 545571 and lugs from Table 8.
Circuit Breaker Alarm Operation: 1 Provides an alarm during an electrical trip
condition only. 2 Provides an alarm during an electrical or manual trip
condition.
Table 3 Rocker Handle Bullet Nose Circuit Breakers
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 8
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
Optional Bullet Nose 6-Position GMT Distribution Fuse Block (P/N 545333)
Features Provides six (6) load distribution fuse positions (1/4A to 15A GMT
alarm fuses). Mounts in two (2) distribution positions. Screw clamp type load
and load return terminals provided. Includes six (6) dummy fuses equipped with
safety fuse covers. Restrictions When used for power distribution, load should
not exceed 80% of device rating, except 10 and 15 amp fuses, for which load
should not exceed 70% of device rating. Occupies two (2) bullet device
mounting positions. Terminal block wire size capacity: 24 to 14 AWG. At 40°C
ambient, GMT fuses greater than 10A MUST HAVE an empty mounting position
between it and any other fuse. Maximum total current is 35A. Maximum GMT fuse
size is 15A. At 65°C ambient, GMT fuses greater than 5A MUST HAVE an empty
mounting position between it and any other fuse. Maximum total current is 21A.
Maximum GMT fuse size is 10A. Ordering Notes 1) Order optional Bullet Nose
6-Position GMT Fuse Block (P/N 545333) as required. 2) Order fuses as required
per Table 4.
Ampere Rating
18/100 (GMT-A) 1/4 1/2 3/4 1-1/3 2 3 5 7-1/2 10 15
Replacement Safety Fuse Cover (GMT-Y)
Replacement Dummy Fuse
Part Number 248610301 248610200 248610300 248610500 248610700 248610800
248610900 248611000 248611300 248611200 248611500
102774
248872600
Table 4 GMT Fuses
Fuse Color —
VIOLET RED
BROWN WHITE ORANGE BLUE GREEN BLACK-WHITE RED-WHITE RED-BLUE
—
—
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 9
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
Bullet Nose Bypass Busbar (P/N 535015) Features Replaces bullet nose circuit
breaker or fuseholder where protective or disconnect device is not required.
Ordering Notes 1) Order by P/N 535015 as required.
Replacement Alarm, Reference, and Control Fuses Ordering Notes 1) Order replacement fuses as required per Table 5.
Assembly
TPS/TLS Fuseholders (P/N 117201)
Desig. FA —
Function Fuse Alarm
Size (Amperes)
18/100
—
—
Table 5 Replaceable Alarm, Reference, and Control Fuses
Type
Bussmann GMT-A Safety Fuse Cover
(GMT-X)
Part No. 248610301 248898700
Special Application Crimp Lugs, Busbar Adapter Kits, and Hardware Kits
Special Application Crimp Lugs Features Lug connects one (1) cable to two (2)
distribution positions. Lug has 1/4″ bolt clearance holes on 5/8″ centers.
Ordering Notes 1) See Table 6 for part numbers for various cable sizes.
Lead Size
Part Number
1/0 AWG
245393500
2/0 AWG
245393600
3/0 AWG
245393700
4/0 AWG
245393800
250 kcmil
514872
350 kcmil
514873
Table 6 Special Application Crimp Lugs / Strap Combination (Two-Hole Lug, 1/4″ Bolt Clearance Hole, 5/8″ Centers)
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 10
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Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
Busbar Adapter and Hardware Kits Features Kits include hardware shown in Table
7. Unless otherwise specified, busbar adapter kits are factory installed when
ordered with shelf(s). Ordering Notes 1) See Table 7 for part numbers and
descriptions of available kits. For kits that provide 3/8-16 on 1″ lug
landings, order lugs from Table 8 as required.
Part Number 545404 545405 545571 552876
Description
Busbar Adapter Kit Converts (2) load positions (1/4-20 on 5/8″ centers) to
(1) landing (3/8-16 on 1″ centers). Right-angle load busbar & straight return
busbar for rear wiring egress.
Busbar Adapter Kit Converts (1) load position (1/4-20 on 5/8″ centers) to
(1) load landing (1/4-20 on 5/8″ centers), right angle.
Busbar Adapter Kit Converts (3) load positions (1/4-20 on 5/8″ centers) to
(1) landing (3/8-16 on 1″ centers). Right-angle load busbar & straight return
busbar for rear wiring egress.
Lug Hardware Kit (32) 1/4-20 nuts, lock washers and flat washers.
545404
545405
545571
552876
Table 7 Busbar Adapter and Hardware Kits
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 11
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
Wire Size
Part Number
6 AWG
245349900
4 AWG
245350000
2 AWG
245348200
1/0 AWG
245347100
2/0 AWG
245347200
3/0 AWG
245347300
4/0 AWG
245347400
250 kcmil
245347500
300 kcmil
245347600
350 kcmil
245347700
400 kcmil
245347800
500 kcmil
245347900
600 kcmil
245348000
750 kcmil
245348100
Table 8 Crimp Lugs (Two-Hole Lug, 3/8″ Bolt Clearance Hole, 1″ Centers)
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 12
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
Wiring Notes
Refer also to the next section, Wiring Illustrations.
Recommended Frame Ground Wire Size and Lug Selection
Features 1/4-20 x 0.5″ studs on 5/8″ center are provided for installation of a
customer provided frame ground lead terminated in a
2-hole lug.
Ordering Notes 1) Frame ground lug must be ordered separately (lug mounting
hardware is provided). For recommended wire size and lug
selection, refer to Table 9. Lugs should be crimped per lug manufacturer’s
specifications.
Recm 90°C Wire Size 1
(AWG)
Recommended Crimp Lug 2
Vendor
Part No.
T & B
54205
6
Burndy
YAV6CL-2TC14FX
Vertiv
245346700
1 Equipment grounding conductor size based on the American National Standards
Institute (ANSI) approved National Fire Protection Association’s (NFPA)
National Electrical Code (NEC). Table 250-122 for copper wire was used. If
aluminum or copper clad aluminum grounding conductor is used, refer to Table
250-122 for increased conductor size. For operation in countries where the NEC
is not recognized, follow applicable codes.
2 Two-hole lug, 1/4″ bolt clearance hole, 5/8″ centers. Lugs should be crimped
per lug manufacturer’s specifications.
Table 9 Recommended Frame Ground Wire Size and Lug
Recommended DC Inputs Wire Sizes and Lugs Selection
Features 3/8-16 x 0.875″ studs on 1″ centers are provided for installation of
customer provided DC input leads terminated in 2-hole
lugs. Terminations are provided for each converter module (individual feed).
Adapter busbars are provided loose with each shelf which allows two (2)
converter modules to be fed by a single input.
Restrictions Maximum lug width is 0.812 inches (individual feed) or 1.156
(dual feed).
Ordering Notes 1) DC input lugs must be ordered separately (lug mounting
hardware is provided). For recommended wire sizes and lug
selection, refer to Table 10. Lugs should be crimped per lug manufacturer’s
specifications.
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 13
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Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
Individual Converter Module Feed
Ambient Operating Temperature
40°C
65°C 6
Recommended DC Input Protective
Device Rating
100A
Recm 90°C Wire Size 1
(AWG)
2
2 4
Loop Length 2
(feet)
60
60
Recommended Crimp Lug 3
Vendor
T & B Burndy Vertiv T & B Burndy Vertiv
Part No.
256-30695-257 YA2CL-2TC38
245348200 256-30695-257 YA2CL-2TC38
245348200
Dual Converter Module Feed One (1) Input per Two (2) Converter Modules (requires two busbar adapters P/N 552506, shipped loose with each shelf)
Ambient Operating Temperature
40°C
65°C 6
Recommended DC Input Protective
Device Rating
200A 5
Recm 90°C Wire Size 1
(AWG)
4/0
4/0 7
Loop Length 2
(feet)
95
95
Recommended Crimp Lug 3
Vendor
T & B Burndy Vertiv T & B Burndy Vertiv
Part No.
256-30695-835 YAV28L-2TC38FX-YEL
245390500 256-30695-835 YAV28L-2TC38FX-YEL
245390500
1 Wire sizes based on recommendations of the American National Standards
Institute (ANSI) approved National Fire Protection Association’s (NFPA)
National Electrical Code (NEC). Table 310-16 for copper wire at 90°C conductor
temperature, operating in ambient of 40°C and 65°C was used. For other
operating ambient temperatures, refer to the NEC. For operation in countries
where the NEC is not recognized, follow applicable codes.
2 Wire sizes listed are sufficient to restrict voltage drop to 1.0 volt or
less at rated full load output current for the loop lengths shown. Loop length
is the sum of the lengths of the positive and negative leads.
3 Two-hole lug, 3/8″ bolt clearance hole, 1″ centers. Lugs should be crimped
per lug manufacturer’s specifications. 4 Maximum and minimum OCPD is 80A at
65°C. 5 Minimum OCPD is 200A at 40°C. 6 Calculated input current is 60A @
24Vdc at 65°C per converter module based on 85% efficiency rating and 1200VA.
7 Maximum and minimum OCPD is 150A at 65°C with de-rated input current.
Table 10 Recommended DC Input Wire Sizes and Lugs
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 14
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Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
Recommended Load Distribution Wire Sizes and Lugs Selection Features 1/4-20 x
0.625″ studs on 5/8″ centers are provided for installation of customer
provided load distribution leads terminated in 2-hole lugs. Restrictions
Maximum lug width, 0.625 inches. Maximum size of wire to be connected to a
single fuseholder or circuit breaker position is 2 AWG. Ordering Notes 1) Load
distribution lugs must be ordered separately. Customer must provide (or order)
lug mounting hardware. The rating of the distribution device determines the
load lead wire size requirement. For recommended wire sizes and lug selection
for various loop lengths per fuse/circuit breaker ampere rating, refer to
Table 11. Lugs should be crimped per lug manufacturer’s specifications. ·
Maximum size of wire to be connected to a single fuseholder or circuit breaker
position is 2 AWG. For wiring up to 350 kcmil, see “Special Application Crimp
Lugs” under ORDERING INFORMATION. · Distribution devices requiring a single
distribution position require a two hole lug with 1/4″ bolt clearance holes on
5/8″ centers (order per Table 11, order hardware kits per Table 7). ·
Distribution devices requiring two (2) or three (3) distribution positions
require special application lugs (order per Table 11 and Table 6) or busbar
adapter kits (order per Table 7) and two hole lugs with 3/8″ bolt clearance
holes on 1″ centers (order per Table 8).
Notes to Table 11: 1 Wire sizes are based on recommendations of the American
National Standards Institute (ANSI) approved National Fire Protection
Association’s (NFPA) National Electrical Code (NEC). Table 310-16 for wire
rated at 90°C conductor temperature operating in ambient temperatures of 40°C,
50°C, and 65°C was used. For other operating ambient temperatures, refer to
the NEC. For operation in countries where the NEC is not recognized, follow
applicable codes. 2 Recommended wire sizes are sufficient to restrict voltage
drop to 1.0 volt or less at listed branch current for the loop lengths shown.
Loop length is the sum of the lengths of the positive and negative leads. 3
Wire Size / Loop Length Combination Calculated using 40°C Ambient Operating
Temperature. 4 Wire Size / Loop Length Combination Calculated using 50°C
Ambient Operating Temperature. 5 Wire Size / Loop Length Combination
Calculated using 65°C Ambient Operating Temperature. 6 These lugs are two-hole
for 1/4″ bolt clearance on 5/8″ centers. Lugs should be crimped per lug
manufacturer’s specifications. 7 Special application crimp lug / strap
combination. Table 11 (cont’d on next page) Recommended Load Distribution Wire
Sizes and Lugs
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 15
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
Fuse/Circuit Breaker Amperage
14 AWG
1, 3, 5, 6, 10A 15A 20A 25A 30A 35A 40A 45A 50A 60A 70A 75A 80A
37 (3, 4, 5) 24 (3, 4)
————
Lug
245342300
Recm 90°C Wire Size (1)
12 AWG
10 AWG
8 AWG
6 AWG
Loop Length (feet) (2)
58 (3, 4, 5)
93 (3, 4, 5)
148 (3, 4, 5)
236 (3, 4, 5)
39 (3, 4, 5)
62 (3, 4, 5)
99 (3, 4, 5)
157 (3, 4, 5)
29 (3, 4)
46 (3, 4, 5)
74 (3, 4, 5)
118 (3, 4, 5)
—
37 (3, 4,)
59 (3, 4, 5)
94 (3, 4, 5)
—
31 (3, 4)
49 (3, 4, 5)
78 (3, 4, 5)
—
—
42 (3, 4)
67 (3, 4, 5)
—
—
37 (3, 4)
59 (3, 4, 5)
—
—
33 (3, 4)
52 (3, 4)
—
—
29 (3)
47 (3, 4,)
—
—
—
39 (3, 4)
—
—
—
—
—
—
—
—
—
—
—
—
Recommended Crimp Lug (6)
245342300 245342300 245390200 245346700
4 AWG
376 (3, 4, 5) 250 (3, 4, 5) 188 (3, 4, 5) 150 (3, 4, 5) 125 (3, 4, 5) 107 (3,
4, 5) 94 (3, 4, 5)
83 (3, 4) 75 (3, 4) 62 (3, 4) 53 (3, 4) 50 (3, 4) 47 (3)
245346800
2 AWG
597 (3, 4, 5) 398 (3, 4, 5) 298 (3, 4, 5) 239 (3, 4, 5) 199 (3, 4, 5) 170 (3,
4, 5) 149 (3, 4, 5) 132 (3, 4) 119 (3, 4)
99 (3, 4) 85 (3, 4) 79 (3, 4) 74 (3, 4)
245346900
Fuse/Circuit Breaker
Amperage
90A 100A 125A 150A 175A 200A 225A 250A
Lug
2 AWG
66 (3, 4) 59 (3, 4) 47 (3)
——
245346900 (6)
Recm 90°C Wire Size (1)
1/0 AWG 2/0 AWG 3/0 AWG 4/0 AWG
105 (3) 95 (3) 76 (3) 63 (3)
—–
245393500 (7)
Loop Length (feet) (2)
133 (3)
—
—
119 (3)
—
—
95 (3)
120 (3)
—
79 (3)
100 (3)
—
68 (3, 4) —
86 (3, 4) 75 (3)
108 (3, 4) 95 (3)
—
—
67 (3)
—
—
76 (3,8)
Recommended Crimp Lug
245393600 (7)
245393700 (7)
245393800 (7)
Table 11 (cont’d from previous page) Recommended Load Distribution Wire Sizes and Lugs
250 kcmil
—–112 (3) 84 (3, 4) 90 (3, 8)
514872 (7)
350 kcmil
——100 (3, 4) 126 (3,8)
514873 (7)
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 16
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
Recommended External Alarm, Reference, Monitoring, and Control Wire Sizes
Features The system interface circuit card is mounted on the inside of the
main shelf’s front door. This circuit card provides four
(4) sets of Form C relay contacts for external alarms, reference and
monitoring inputs, plus an ESTOP input. Terminal blocks are provided on the
circuit card for customer connections. Refer to Paragraphs 1.5.3 and 1.5.4
under “Specifications” for details. Restrictions Terminal block wire size
capacity is 12 to 22 AWG. Relay contacts are rated for 1A at 30VDC or 0.3A at
110VDC. Ordering Notes 1) Recommended Wire Size: 22 AWG for Loop Lengths Up to
200 ft.
18-20 AWG for Loop Lengths Over 200 ft.
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 17
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
Wiring Illustrations
DC Inputs and Frame Ground
584622100 / 584622200 shown. 584622300 / 584622400 similar.
DC Input Leads Enter Here
Frame Ground 1/4-20 x 0.5″ studs on 5/8″ center
for installation of lead with 2-hole lug. Torque to 84 in-lbs.
+24VDC Converter #1 Converter #2
Return Converter #1 Converter #2
Feed One
Busbars P/Ns 552506
Rear
Rear panels removed in illustration.
+24VDC Converter #1 (top) Converter #2 Converter #3 Converter #4 (bottom)
Return Converter #1 (top) Converter #2 Converter #3 Converter #4 (bottom)
DC Input Connections 3/8-16 x 0.875″ studs on 1″ centers
for installation of leads with 2-hole lugs. Provide separate inputs for each
converter. Maximum lug width 0.812″. Torque to 240 in-lbs.
Dual Converter Module Feed with Adapter Busbars P/Ns 552506
Discard Extra Hardware
Feed Two
+24VDC Converter #3 Converter #4
Return Converter #3 Converter #4
DC Input Connections 3/8-16 x 0.875″ studs on 1″ centers
for installation of leads with 2-hole lugs. Provide one input for two
converters. Maximum lug width 1.156″. Torque to 240 in-lbs.
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 18
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
Load Distribution (TPS/TLS Fuses and Bullet Nose Circuit Breakers)
Components removed in illustration for clarity only.
Load Distribution Leads Enter Here (break tabs off shield as required)
Front
Return
-48VDC
Load Distribution Connections 1/4-20 x 0.625″ studs on 5/8″ centers
for installation of leads with 2-hole lugs. Maximum lug width 0.625″. *
Torque to 58 in-lbs.
P/N 545404
P/N 545571
Optional Busbar Adapters
584622100 / 584622200 shown. 584622300 / 584622400 similar.
P/N 545405
Top Cover Removed in Illustration for Clarity Only
Front
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 19
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
Load Distribution (Optional Bullet Nose 6-Position GMT Fuse Block)
Load Return Leads Load Leads
Wire Size Capacity: 26-14 AWG. Recommended Torque: 4.5 in-lbs.
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 20
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
External Alarm, Reference, Monitoring, and Control Note: External FA/CBA Alarm
Input: An external FA/CBA alarm signal can be connected to the system as shown
in the “Shelf Interconnections” section.
CAN TERM
TB2
E
S
T
CANH
O
CANL
-BT +BT -IO +IO -VO +VO P
Low Input Voltage
TB1
Fuse / CB
Conv Critical
Conv Major
NC C NO NC C NO NC C NO NC C NO
1
9
P2
Recommended Torque is 5.0 in-lbs.
1
12
Recommended Torque is 5.0 in-lbs.
Low Input Voltage, Conv Critical, and Conv Major relays are energized for
normal operating conditions and de-energized for an alarm condition.
Fuse / CB relay is de-energized for normal operating conditions and energized
for an alarm condition.
Relay contacts shown represent normal system operation.
P1
P2
TB2
TB1
1
9
1
12
Inside View of Main Shelf’s Front Door
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 21
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
Shelf Interconnections Output Paralleling Leads
Cable, lugs, and labels are provided loose with the Expansion Shelf to assemble a Return and a -48V paralleling cable.
RETURN PARALLELING CABLE
-48V PARALLELING CABLE
584622100 / 584622200 shown. 584622300 / 584622400 similar.
Hardware provided on terminals.
Expansion Wiring Covers
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 22
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Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
FA/CBA and CAN Interconnections
If there are expansion shelves, unplug the external FA/CBA lead from this
connector.
If there are expansion shelves, move the termination plug from connector in
main shelf to same connector in bottom most expansion shelf.
Connect these connectors to mating connectors in shelf above.
Rear
584622100 / 584622200 shown. 584622300 / 584622400 similar.
Connect these connectors to mating connectors in shelf above.
Move the termination plug from connector in main shelf to same connector in bottom most expansion shelf.
External FA/CBA connector in bottom most shelf.
External FA/CBA plug terminated in butt splice connector. (12″ long, 22 AWG,
yellow wire) (Factory Supplied)
Plug the external FA/CBA lead from main shelf into same connector in bottom
most expansion shelf.
Connect an external FA/CBA lead to the butt splice located at the end of the
external FA/CBA plug assembly.
Supply a voltage signal within 1V of the converter system output voltage to
this lead to activate the system’s fuse alarm circuit.
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 23
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
SPECIFICATIONS
Note: For DC-DC converter module specifications, refer to UM1C24481500 (Converter Module User Instructions).
1.1 System Output Ratings
1.1.1 Voltage: Nominal -48 volts DC, positive ground.
(A) With System Interface Circuit Card P/N 556434: -48VDC, -50VDC, -52VDC, or -54VDC
(B) With System Interface Circuit Card P/N 10017022: -52VDC, -54VDC, -56VDC, or -58VDC
1.1.2 Current:
375A, maximum (Converter Output + Distribution. Load). 125A, maximum (Converter Output) per shelf. 250A, maximum (Distribution Load) per distribution row.
1.2 System Input Ratings
1.2.1 Input Voltage: Nominal +24 volts DC.
1.2.2 Nameplate Rating:
(A) Individual Feed: +20.5 to +30 volts DC, 87 to 59A.
(B) Dual Feed (one input per two converters): +20.5 to +30 volts DC, 175 to 120A.
1.2.3 Filtering: Noise reflected back to the central office battery is within the parameters set forth in Telcordia Technical Reference TR-TSY-000009, paragraph 5.0, using test measurements in Telcordia Technical Reference PUB 43802, pages 5 and 6.
1.3 System Environmental Ratings
1.3.1 Operating Ambient Temperature Range:
(A) -40°C to +40°C (-40°F to +104°F).
Overcurrent devices rated 100A or greater MUST HAVE a space adjacent to it. Maximum size circuit breakers that can be used are 100A single pole, 200A double pole, and 250A triple pole. Maximum size fuse is 100A.
(B) -40°C to +65°C (-40°F to +149°F), with derating.
For ambient temperatures between +40°C (+104°F) and +65°C (+149°F), overcurrent devices rated 60A or greater MUST HAVE a space adjacent to it. Maximum size circuit breakers that can be used are 70A single pole. No double pole or triple pole circuit breakers can be used. Maximum size fuse 70A.
1.3.2 Storage Ambient Temperature Range: -40°C to +85°C (-40°F to +185°F).
1.3.3 Humidity: Capable of operating in an ambient relative humidity range of 0% to 95%, non-condensing.
1.3.4 Altitude: Capable of operating in an altitude range of -200 feet to 10,000 feet. The maximum operating ambient temperature should be derated by 3°C per 1000 feet above 5000 feet.
1.3.5 Ventilation Requirements:
(A) Ventilation: A shelf must be mounted so ventilating openings are not blocked and temperature of the air entering the shelf does not exceed the Operating Ambient Temperature Range stated above.
(B) Stacking Considerations: This system is designed for front to back ventilation to facilitate stacking of shelves, one above the other, in a relay rack. There is no spacing requirement between stacked shelves of a single system.
1.3.6 Audible Noise (System): With four converter modules installed and operating, the audible noise at any point 5 feet from any vertical surface of the mounting shelf does not exceed 68 dBA when measured with a sound level meter conforming to ANSI S1.4.
1.3.7 Mounting:
(A) The shelf is designed for mounting in a 19-inch or 23-inch wide relay rack with 1-3/4 inch multiple drilling.
(B) This product is intended only for installation in a Restricted Access Location on or above a non-combustible surface.
(C) This product must be located in a Controlled Environment with access to Craftspersons only.
(D) This product is intended for installation in Network Telecommunication Facilities (CO, vault, hut, or other environmentally controlled electronic equipment enclosure).
(E) This product is intended to be connected to the common bonding network in a Network Telecommunication Facility (CO, vault, hut, or other environmentally controlled electronic equipment enclosure).
(F) Typical industry standards recommend minimum aisle space clearance of 2’6″ for the front of the relay rack and 2′ for the rear of the relay rack.
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 24
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
1.4 System Compliance Information 1.4.1 Safety Compliance: This unit meets the
requirements of UL 60950, Standard for Information Technology Equipment, and
is UL Recognized as a power supply for use in Telephone, Electronic Data
Processing or Information Processing Equipment. This unit meets the
requirements of CAN/CSA 22.2, No. 60950-00 and is tested and Certified by UL
(“c UR”) as a Component Type Power Supply. 1.4.2 NEBS Compliance: Compliance
verified by a Nationally Recognized Testing Laboratory (NRTL) per GR-1089-CORE
and GR-63-CORE. Contact Vertiv for NEBS compliance reports. Converter Modules:
In order to remain compliant during a fan failure condition, the system must
operate with a redundant module installed.
1.5 System Standard Features 1.5.1 Local Indicators: The following local
indicators are provided on the front of the main shelf’s front door. (A)
Circuit Breaker or Fuse Open (Red LED) (B) Input Voltage OK (Green LED) (C)
Converter Critical (Red LED) (D) Converter Major (Yellow LED) 1.5.2 Test
Points: The following test points are provided on the front of the main
shelf’s front door. (A) Output Voltage: Provided for measuring system output
voltage. (B) Output Current: Provided for measuring system output current.
Scale is User selectable for 400A/50mV or 1A/1mV. Current measurement is User
selectable to be referenced to plus battery, minus battery, or no reference.
1.5.3 Emergency Shutdown Input (ESTOP): The converter modules can be inhibited
by applying an external ground signal (24V Return). Converter modules
automatically restart upon removal of the ground signal. 1.5.4 External Alarm
Circuits: A set of Form-C relay contacts, rated for 1 ampere at 30 volts DC or
0.3 ampere at 110VDC, is provided for each of the following alarms. (A)
Converter Major Alarm: Alarms if one converter module fails. Alarm conditions
are as follows. (1) A converter module reports a high voltage shutdown
condition (HVSD). (2) A converter module reports a fan failure. (3) A
converter module reports an EEPROM failure. (4) A converter module reports a
converter failure. (5) A converter module reports a low input voltage
condition. (6) A converter module reports a high temperature condition. (7) A
converter module reports a thermal derating condition. (B) Converter Critical
Alarm: Alarms if more than one converter module fails (or if only one
converter module is installed in the system and it fails). Alarm conditions
are as stated in (A) above. (C) FA/CB Alarm: Alarms if any distribution fuse
or circuit breaker opens. (D) Low Input Voltage: Alarms if the input voltage
to the system falls to 20.5Vdc ±0.5Vdc. Alarm clears and the Input Voltage OK
indicator illuminates when input voltage reaches 22.5Vdc ±0.5Vdc.
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 25
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide MECHANICAL SPECIFICATIONS Overall Dimensions
584622100 Main Shelf
Optional Expansion Wiring Cover
12.06
Top View See Mounting Angle Detail
Left Side View
Optional Expansion Wiring Cover
17.375 18.312 19.000 22.312 23.000
Front View
Notes:
1. All dimensions are in inches
unless otherwise specified.
2. Weight (in lbs):
Net Shipping
Shelf:
40 50
Converter Module: 5.5 7
3. Finish:
Shelf and Converter Module Bodies:
Galvanneal
Distribution Door and Converter
Module Faceplates:
Textured Gray
Optional Wiring Access Panel
1.750
6.968
6.000
1.625
18.750
Right Side View
Optional Expansion Wiring Cover
3.0″ Diam. Hole
0.234
Optional Expansion Wiring Cover
6.734
6.234 6.968
Bottom View
Optional Expansion Wiring Cover
3.734 3.234 0.734
Rear View
Mounting Angle Detail
0.234
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 26
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide Overall Dimensions 584622200 Expansion Shelf
Expansion Wiring Cover
12.06
Top View See Mounting Angle Detail
Left Side View
Expansion Wiring Cover
17.375 18.312 19.000 22.312 23.000
Front View
Notes:
1. All dimensions are in inches
unless otherwise specified.
2. Weight (in lbs):
Net Shipping
Shelf:
41 51
Converter Module: 5.5 7
3. Finish:
Shelf and Converter Module Bodies:
Galvanneal
Distribution Door and Converter
Module Faceplates:
Textured Gray
Optional Wiring Access Panel
1.750
6.968
6.000
18.750
Right Side View
1.625
Expansion Wiring Cover
3.0″ Diam. Hole
0.234
Expansion Wiring Cover
6.734
6.234 6.968
3.734
Bottom View
Expansion Wiring Cover
3.234 0.734
Rear View
Mounting Angle Detail
0.234
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 27
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide Overall Dimensions 584622300 Main Shelf
Optional Expansion Wiring Cover
12.06
Top View See Mounting Angle Detail
Left Side View
Optional Expansion Wiring Cover
21.375 22.312 23.000 Front View
Notes:
1. All dimensions are in inches
unless otherwise specified.
2. Weight (in lbs):
Net Shipping
Shelf:
51 59
Converter Module: 5.5 7
3. Finish:
Shelf and Converter Module Bodies:
Galvanneal
Distribution Door and Converter
Module Faceplates:
Textured Gray
Optional Wiring Access Panel
1.750
6.968
6.000
1.625
18.750
Right Side View
Optional Expansion Wiring Cover
3.0″ Diam. Hole
0.234
Optional Expansion Wiring Cover
Bottom View Rear View
6.734
6.234 6.968
3.734
Optional Expansion Wiring Cover
3.234 0.734
Mounting Angle Detail
0.234
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 28
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide Overall Dimensions 584622400 Expansion Shelf
Expansion Wiring Cover
12.06
Top View See Mounting Angle Detail
Left Side View
Expansion Wiring Cover
21.375 22.312 23.000
Front View
Notes:
1. All dimensions are in inches
unless otherwise specified.
2. Weight (in lbs):
Net Shipping
Shelf:
52 60
Converter Module: 5.5 7
3. Finish:
Shelf and Converter Module Bodies:
Galvanneal
Distribution Door and Converter
Module Faceplates:
Textured Gray
Optional Wiring Access Panel
1.750
6.968
6.000
18.750
Right Side View
1.625
Expansion Wiring Cover
3.0″ Diam. Hole
0.234
Expansion Wiring Cover
Bottom View Rear View
6.734
6.234 6.968
3.734
Expansion Wiring Cover
3.234 0.734
Mounting Angle Detail
0.234
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 29
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
VertivTM NetSureTM DCS48375 Converter System
System Application Guide
RELATED DOCUMENTATION
System Installation and User Instructions: Converter Module Instructions:
Converter System Upgrade Kit Instructions: System Schematic Diagram:
System Wiring Diagram:
UM584622100
UM1C24481500
IM10019684
SD584622100 / SD584622300 SD584622200 / SD584622400 T584622100 / T584622300
T584622200 / T584622400
Vertiv.com | Vertiv Headquarters, 505 N Cleveland Ave, Westerville, OH 43082,
USA
© 2023 Vertiv Group Corp. All rights reserved. VertivTM and the Vertiv logo
are trademarks or registered trademarks of Vertiv Group Corp. All other names
and logos referred to are trade names, trademarks or registered trademarks of
their respective owners. While every precaution has been taken to ensure
accuracy and completeness here, Vertiv Group Corp. assumes no responsibility,
and disclaims all liability, for damages resulting from use of this
information or for any errors or omissions.
Spec. No: 584622100, 584622200, 584622300, 584622400 Model No: DCS48375
Proprietary and Confidential © 2023 Vertiv Group Corp. Page 30
SAG584622100, SAG584622200, SAG584622300, SAG584622400
Revision J, May 9, 2023
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