SDC 55 Series 3-4 Latchbolt Electric Strikes Owner’s Manual

June 2, 2024
SDC

SDC 55 Series 3-4 Latchbolt Electric StrikesLOCKING DEVICES
55 Series
**3/4” Latchbolt Electric Strikes

**

55 Series 3-4 Latchbolt Electric Strikes

SDC’s 55 series 3/4” latchbolt electric strikes are heavy duty, designed for installation in hollow metal frames for access control of cylindrical locksets, mortise locksets with or without deadbolts and mortise exit devices. 55 series strikes accept 3/4” throw latchbolts and up to 1” throw deadbolts.
The choice of six application faceplates eliminates the need for centerline relocation, making them ideal for new or retrofit, high security access control applications.
55 series strikes retrofit existing ANSI 47/8” strike prep – no centerline relocation required.

MODELS
55 3/4” Latchbolt Strike

STANDARD FEATURES

  • Heavy duty
  • Stainless steel components
  • Stainless steel square corner faceplate
  • Heavy cast housing body and keeper
  • Corrosion and tamper resistant
  • Horizontal alignment adjustment
  • Non-handed
  • Interchangeable faceplate design
  • nternally mounted solenoid
  • Field selectable operation
  • Field selectable dual voltage
  • Voltage and current spike protection
  • Pigtail connectors

OPTIONAL FEATURES

  • Latch status (LS)
  • Latch and keeper deadlocked status
  • Deadbolt status

APPLICATIONS

55 series strikes are recommended for specifiers and industry professionals for fast and easy specification of individual installation requirements. 55 series models include strike and faceplate for individual job requirements.
The table below outlines each model’s application, lock compatibilty and function. To determine lock compatibility not listed below, see faceplate dimensions.

Model| Faceplate| Lockset| Application| Compatible Locks| Function
---|---|---|---|---|---
55-A| | | • Cylindrical locksets
• ANSI centerline latch entry
locksets| • Cylindrical locksets with 1/2” to 5/8” latchbolts
• ANSI centerline latch entry
locksets with up to 3/4” latchbolt| No deadbolt: After releasing the latchbolt, keeper returns to the locked position.
55-B| | | • Mortise locksets without deadbolt
• Mortise exit devices with or without deadlatch
• Deadlatch located below the latchbolt| Accurate, Arrow, Best, Corbin
Russwin, Dorma, Falcon, Marks,
PDQ, Sargent, Yale
55-C| | | • Mortise locksets without deadbolt
• Mortise exit devices with or without deadlatch
• Deadlatch located above the latchbolt| Baldwin, Hager, Schlage, SDC
55-D| | | • Mortise locksets with deadbolt
• Deadlatch located below the latchbolt| Accurate, Arrow, Best, Corbin Russwin, Dorma, Falcon, Marks, PDQ, Sargent, Yale| Deadbolt projected: The door will not close. Deadbolt retracted: When signaled by the access control, the keeper unlocks,
permitting latchbolt release. The keeper returns to the closed and locked position. The door then
returns to the closed and locked position.
55-E| | | • Mortise locksets with deadbolt
• No deadlatch| Baldwin| Deadbolt retainer installed:
Nightlatch/access control
lockout function. When the
deadbolt is projected the keeper will not release by access control. (nightlatch/access control
lockout)
55-F| | | • Mortise locksets with deadbolt
• Deadlatch located above the latchbolt| Hager, Schlage, SDC| Deadbolt retainer removed
Nightlatch function. When the deadbolt is projected, the keeper unlocks, permitting latchbolt and
deadbolt release by the access control. The keeper returns to the closed and locked position. The
door will not close and lock when the deadbolt is extended and must be manually retracted to
permit door closure.

SDC 55 Series 3-4 Latchbolt Electric Strikes - parts

CROSS REFERENCE

Series 15 25 30 45 55
Strike Type Value Cylindrical5/8” Latchbolt Value Cylindrical,
1/2” L a tchbo l t Rim,
3/4” Latchbo l t Cylindrical,
5/8” Latchbolt Mortise,

3/4” Latchbo l t
Adjustable Alignment| —–| —–| Yes| Yes| Yes
Interchangeable Faceplates| —–| —–| —–| Yes| Yes
Multi-Application Kits| —–| Standard| —–| Yes| Yes
Latch Status (LS)| —–| —–| Optional| Standard| Optional
Keeper Deadlocked Status| —–| —–| Optional| Standard| Optional
Keeper Open Status| —–| —–| —–| Optional| —–
Deadbolt Status| —–| —–| —–| —–| Optional
| CLICK TO VIEW| CLICK TO VIEW| CLICK TO VIEW| CLICK TO VIEW|

SPECIFICATIONS

| 55
---|---
Latchbolt| 3/4” Throw
Deadbolt| Up to 1” Throw
Static Strength| 2,500 lbs
Dynamic Strength| 70 lbs
Endurance Cycles
| 1,000,000
Keeper Depth| 15/8”
Weight| 3 lbs
Faceplates**| (A) Cylindrical Locksets
(B) Mortise Locksets without Deadbolt & Mortise Exit Devices – Deadlatch Below
(C) Mortise Locksets without Deadbolt & Mortise Exit Devices – Deadlatch Above
(D) Mortise Locksets with Deadbolt – Deadlatch Below
(E) Mortise Locksets with Deadbolt – No Deadlatch
(F) Mortise Locksets with Deadbolt – Deadlatch Above
Frame Application| Hollow Metal
Input| 12/24 VDC ± 10%
Current Draw| 600 mA @ 12 VDC
300 mA @ 24 VDC
Monitoring Contacts| SPDT
5 Amps @ 30 VDC Resistive

  • Factory tested and verified.
    ** See chart in applications for complete faceplate details.

CERTIFICATIONS

UL 1034 Burglary-Resistant Electric Locking Mechanisms
UL 10C Positive Pressure Fire Tests of Door Assemblies*
ANSI/BHMA A156.31 Grade 1

  • Warnoch Hersey Intertek tested.

HOW TO ORDER

FOLLOW STEPS FOR ORDERING
Designates optional step

  1. SPECIFY MODEL
    55 3/4” Latchbolt Strike

  2. **SPECIFY FACEPLATE***
    -A Cylindrical Faceplate
    -B Mortise Faceplate – Deadlatch Below
    -C Mortise Faceplate – Deadlatch Above
    -D Mortise Faceplate – Deadlatch Below – Deadbolt
    -E Mortise Faceplate – No Deadlatch – Deadbolt
    -F Mortise Faceplate – Deadlatch Above- Deadbolt

  • See applications chart for complete faceplate details and lock compatibility. 3. SPECIFY FINSH
    U 630 Dull Stainless
    S 629 Bright Stainless
    D 606 Dull Brass
    C 605 Bright Brass
    G 612 Dull Bronze
    F 611Bright Bronze
    H 613 Dark Oil Rubbed Bronze
    Q 626 Dull Chrome
    P 625 Bright Chrome

    1. SPECIFY OPTIONS
      LBM Latch Status (LS)
      LBMLCM Latch &
      Keeper Deadlocked Status
      DBM* Deadbolt Status
  • Available for 55-D, 55-E and 55-F deadbolt models only. 5. **SPECIFY HANDING***
    -L Latch Hand (LH)
    -R Right Hand (RH)

  • Specifying handing is only required for 55-D, 55-E and 55-F deadbolt models that specify LBM, LBMLCM or DBM options. Leave blank for 55-A, 55-B and 55-C models which are non-handed.

STEP NUMBER: 1 2 3 4 5
ORDERING EXAMPLE: 55 -D U LBMLCM  DBM -L

RELATED PRODUCTS

MULTI-APPLICATION STRIKE KITS
Multi-application kits include one electric strike and three faceplates.
Faceplates are interchangeable for cylindrical lockset, mortise lockset without deadbolt and mortise exit device applications.
Consult factory for special finishes or monitoring options.
55-ABCU 55 Series Multi-Application Strike Kit

KIT COMPONENTS:
(1) 3/4” Latchbolt Electric Strike
(1) Cylindrical Faceplate
(1) Mortise Faceplate – Deadlatch Below
(1) Mortise Faceplate – Deadlatch Above
BRIDGE RECTIFIERS

BR64XL AC to DC Bridge Rectifier
RETROFIT BUZZER KITS
50-RMB Buzzer with Pigtail Connectors
REPLACEMENT PIGTAIL CONNECTORS
CA-55-4 Power Input Power Pigtail Connectors

SDC 55 Series 3-4 Latchbolt Electric Strikes - Strike
KitMajor brand locks compatibility, including but not limited to: Accurate, Arrow, Baldwin, Best, Corbin Russwin, Dorma, Falcon, Hager, Marks, PDQ, Sargent, Schlage, SDC and Yale.

COMPONENT CONSIDERATIONS

LOW ENERGY OPERATORS
CLICK TO VIEW SDC’s low energy swing door operators are designed for applications requiring ADA compliance, user convenience and touchless solutions. The state-of-the-art microprocessor-based operator is self-tuning and selflearning while offering non-handed operation,
full mechanical stops, door sequencing and a variety of interface options for sensors, push-plates, fire alarms and electrified locks. A built-in 1 Amp power supply allows users to power electric latch retraction directly from the operator.

PUSH PLATES & PANELS
CLICK TO VIEW SDC’s push plates and panels combined with SDC’s operators, bollards and locking devices allow for complete access and egress solutions for ADA compliant applications. Included are round and square push plates, as well as wall mount and full-size push panels. All types can be wireless or hardwired, bollard or wall mounted. ADA compliant solutions work seamlessly with low energy swing door operators like Auto EntryControl™.
EXIT SWITCHES & SENSORS
CLICK TO VIEW
SDC 55 Series 3-4 Latchbolt Electric Strikes - COMPONENT
3SDC offers a variety of exit button and push button styles and contact configurations to fit several requestto-exit application needs. Additionally, SDC’s wave-toopen switches and motion sensors provide hands free compliance and convenience for touchless applications using proven infrared detection technology. A simple wave of the hand in front of our touchless switch models activates the switch to control electric locks/strikes, magnetic locks or automatic door operators for entry or egress.
KEYPADS & READERS
CLICK TO VIEW
SDC has a variety of digital keypad and proximity card access control system equipment to meet any need. SDC’s keypads and readers are engineered to provide real-world door control of a single opening up to 100 doors, such as indoor, outdoor and PC-based systems, while ensuring fire and life safety code compliance along with superior expandability and flexibility in authorization identification, authentication, access approval and accountability of entities through login credentials.

POWER CONTROLLERS
CLICK TO VIEW
SDC access control power supplies have been developed specifically to support access controls and electric locking hardware. They are UL listed and provide filtered and regulated linear DC power, with optional control logic, component interface, alarm interface and battery back-up to meet the requirements of single and multiple accesscontrolled openings. The circuitry design is ideal for the inductive loads generated by access control hardware for high performance and longevity.
DOOR PROP ALARMS & ANNUNCIATORS
CLICK TO VIEW
Multi-mode annunciators, like SDC’s EA series door prop alarm, EA100 and 400 series LEDs, sirens, buzzers and speakers come in a variety of door, frame, wall, ceiling or single and double gang box configurations to provide the ultimate in door status indication, access control system compatibility and control. SDC door prop alarms are compatible with all access control systems but can also function as a standalone solution.

the lock behind the system
© 2022 Security Door Controls
LIT-DS_55_010623
800.413.8783
sdcsecurity.com

References

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