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| Categories | Load Break Switch |
|---|---|
| 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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