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Place of Origin : china
Brand Name : XK
Model Number : FN12
Certification : ISO9001 / GB / IEC
Supply Ability : 100 Piece/Pieces per Month
Packaging Details : EXPORTING PACKING
MOQ : 1 Piece/Pieces
Price : Negotiation
Max. Current : 1250A
Max. Voltage : 12KV
Standard : IEC
Rated Current : 630A,1250A
Rated Voltage : 12KV
Mechanical life : 10000
keywords : 36kv load break
Port : NINGBO

Key benefits
Efficient solution for transformers protection
 Easy application in wide range of configurations
 Smart grid and network automation ready
 Capability for protection of up to 3000kVA 36 kV transformers
 Full range protection in combination with CEF-S fast acting current limiting fuses
 Safe and reliable solution for short circuit currents interruptions
| ltem | Unit | Data | |
| Rated voltage | KV | FN12-12D/630 | FN12-12(R)D/125 | 
| Rated frequency | HZ | 12 | |
| Rated current | A | 50 | |
| 1min power frequency withstand voltage | KV | 42 to ground and phases fracture 48 | |
| Lightning impulse withstand voltage | KV | 75 to ground and phases fracture 85 | |
| Rated thermal stable current | KA | 630 | 100 | 
| Rated dynamic stable current | KA | 50 | |
| Rated switching current(peak) | KA | 50 | 50 | 
| Rated short-circuit current(expected) | KV | 31.5 | |
| Maximum breaking current threshold | HZ | Fuse characteratic curve accorting | |
| Minimum breaking current | A | Fuse characteratic curve accorting | |
| Rated transfer current | KV | 50 | 1.5 | 
| Maximum breaking current | KV | 1.8 | |
| Breaking OFF-load transformer capacity | KV/A | 1250 | |
| Rated cable charging current | A | 10 | |
| Rated active load current breaking times | Times | 10000 | |
| Opening time when striker strikes | S | <0.06 | |
| Earth switch thermal current switch | KA | 20(2S) | |
| Thermal stable current of earth switch | KA | 50 | 50 | 
| Motor operating power supply voltage | V | AC/DC 110/220 | |
| ltem | Unit | Data | |
| FN12-10D/630 | FN12-10(R)D/125 | ||
| The total traveling distance of moving contact | mm | 200+8-2 | |
| Phase center distance (Before energy storage) | mm | 210±15 | |
| Moving contact overtravel distance | mm | 40±2 | |
| Auxiliary contact opening distance | mm | >150 | |
| Opening/Closing time difference among three phase | ms | <3 | |
| Opening speed | m/s | >2.8 | >2.8 | 
| Closing speed | m/s | >3.8 | |
| Distance between metal flexible door and torch | mm | >125 | |
| Fracture distance of earth switch | mm | >150 | |
| Main circuit resistance | Ω | <120 | <300 | 
| Maximum operating torque | NM | >160 | |


 
 
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