ElektroBalt KVL-B-FT-1 NH Fuse Switch Disconnector Instruction Manual
- August 14, 2024
- ElektroBalt
Table of Contents
ElektroBalt KVL-B-FT-1 NH Fuse Switch Disconnector
Specifications
- Model: BA-T033
- Type: NH-fuse-switch-disconnector
- Sizes Available: 1, 2, 3
- Design: 3-pole
- Mounting: Busbar mounting on 60mm system
Product Usage Instructions
Warning
Attention: Hazardous voltage! Can cause electrical shock and burns.
Disconnect power before proceeding with any work on this equipment.
Installation
- Ensure power is switched off before starting any work.
- Mount the NH-fuse-switch-disconnector on the 60mm busbar system according to the provided instructions.
- Only apply fuse-links with silver-plated contacts or silver-plated solid-links.
Disassembling
To disassemble the product, follow the provided steps for safe removal and
maintenance.
Fuse-Link Insertion
- Insert the appropriate fuse link based on the size of the disconnector.
- Ensure proper connection and alignment before switching on the device.
Maintenance
Regularly inspect the NH-fuse-switch-disconnector for any signs of wear or
damage. Replace any faulty components immediately by following the disassembly
and assembly instructions.
FAQ
Q: Who can install the NH-fuse-switch-disconnector?
A: The product should only be installed by electrotechnically qualified
personnel as stated in the manual. Laymen are advised against installation due
to safety concerns.
Q: What type of fuse-links should be used with the product?
A: Only apply fuse links with silver-plated contacts or silver-plated
solid-links to ensure proper functioning and safety.
Operating manual
Advice
The product described in this operating manual may be installed only by
electro technically qualified personnel.
“Laymen” must not install or operate because they cannot foresee the possible
consequences of their actions.
BA-T033 | 14813e
Disassembling
Assembling (1),
Insert of fuse-link (2), Switch-on (3)
Busbar mounting
Attention!
Only apply fuse links with silver-plated contacts or silver-plated solid
links.
Terminal at topside
Switch-off (1), Removal of fuse-link (2), parking position (3)
- Accessory (B): Lock-out contact cover; (C): Micro-switch for indication of switch-position
- Accessory (D): Micro-switch for mechanical fuse-monitoring
- Voltage test
Accessory (E): Locking device Sealing (1)
Power theft protection
Connection
* Connection of aluminum conductors:
Mechanically remove the oxide coating at the conductor ends immediately before
connection and treat with acid- and alkali-free grease.
Accessory
Dimensions [mm]/
T i p/Type| a| b| c| e| f| h1|
h2| h3| i| k| l
---|---|---|---|---|---|---|---|---|---|---|---
NH1-3| 184 34| 0| 348| 117| 98| 70| 32| –| 25,5| 58| Ø10,5
NH2-3| 210 34| 0| 348| 135| 109| 90| 32| 70| 26,5| 66| Ø14
NH3-3| 250 34| 0| 348| 143| 109| 90| 32| 70| 26,5| 82| Ø14
T i p/Type| m| n| o| o2| p| q|
r| s| t1| t2| u
---|---|---|---|---|---|---|---|---|---|---|---
NH1-3| 60 5-| 10| 30| 25| 4| 19| 102| 47| 272| –| –
NH2-3| 60 5-| 10| 30| 25| 4| 19| 102| 52| 268| 330| 5
NH3-3| 60 5-| 10| 30| 25| 4| 19| 102| 52| 268| 330| 5
| | |
---|---|---|---
Typ/Type| NH1| NH2| NH3
According to standard| DIN EN 60947-3
DIN VDE 0636-2 For NH fuse-links acc. to DIN VDE 0636-2| Velikost Size| 1| 2|
3
Rated operational voltage| Ue| V| AC690 DC440
Rated operational current1)| Ie| A| 250| 400| 630
Conv. free air thermal current with fuse-links1)| Ith| A| 250| 400| 630
Rated insulation voltage| Ui| V| AC800
Rated impulse withstand voltage| Uimp| kV| 8
Utilization category| –| –| AC-21B (690V) AC-22B (500V) AC-23B (400V) DC-21B
(440V)
Rated short-time withstand current| Icw| kA| 8,6| 15| 15
Max. permis. power loss per fuse-link| Pa| W| 23| 34| 48
Rated conditional short-circuit current| Iq| kA| 120 (500V)
100 (690V)
61439 zu beachten/In case of mounting of several units in low voltage switchgear-combinations, please consider rated diversity factors acc. to EN 61439.