Eberry Electric Co., Ltd.
We are a professional manufacturer of vacuum circuit breakers. We have 15 years of experience in design and development. We have a professional team responsible for comprehensive solution.
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Eberry factory FKN12 indoor Load Break Switch And Fuse Combination 12KV VCB
| Sr. | Name | Unit | Value | | |
| | | | FN12-12/630 | FNR12-12/100-31.5 | |
| 1 | Rated voltage | KV | 12 | | |
| 2 | Rated frequency | Hz | 50 | | |
| 3 | Rated current | A | 630 | 125 | |
| 4 | Lightning impulse withstand voltage | KV | Ground and phase 76, isolation fracture 85 | | |
| 5 | 1min power frequency withstand voltage | KV | Ground and phase 42, isolation fracture 48 | | |
| 6 | Rated thermal stable current | KA | 20(4s) | | |
| 7 | Rated dynamic current | KA | 50 | | |
| 8 | Rated short circuit closing current (peak) | KA | 50 | 50 | |
| 9 | Rated short-circuit breaking current (expected value) | KA | | 31.5 | |
| 10 | Rated transfer current | KA | | 1.5 | |
| 11 | Breaking the capacity of the no-load transformer | KVA | 1250 | | |
| 12 | Rated cable charging current | A | 10 | | |
| 13 | Mechanical life | TIMES | 4000 | | |
| 14 | The fuse triggers the load switch opening time | S | | <0.06 | |
| 15 | Grounding switch thermal stability current | KA | 20(2s) | | |
| 16 | Grounding switch dynamic steady current (peak) | KA | 50 | | |
| 17 | Control loop supply voltage | | AC DC 110,220 | | |
