No. | Item | Unit | Data | ||
FN12-12D/630 | FN12-12(R)D/630 | ||||
1 | Rated voltage | KV | 12 | ||
2 | Rated frequency | Hz | 50 | ||
3 | Rated current | A | 630 | 100 | |
4 | Lightning impulse withstand voltage | KV | To earth and phase to phase75, isolating fracture 85 | ||
5 | 1 min power frequency withstand voltlage | KV | To earth and phase to phase 42, isolating fracture 48 | ||
6 | Rated thermal stability current | KA | 20(4S) | ||
7 | Rated dynamic current | KA | 50 | ||
8 | Rated closing current (peak) | KA | 50 | 50 | |
9 | Rated short circuit breaking current (Expected value) | KA | 31.5 | ||
10 | Maximum at critical breaking current | A2S | According to the fuse characteristic curve | ||
11 | Minimum breaking current | KA | According to the fuse characteristic curve | ||
12 | Rated transfer current | KA | 1.5 | ||
13 | Maximum breaking current (reference value) | KA | 1.8 | ||
14 | Breaking the capacity of the no-load transformer | KVA | 1250 | ||
15 | Rated cable charging current | A | 10 | ||
16 | Rated active load curent breaking times | Times | >100 | ||
17 | The impactor touches the load switch opening time | S | >0.06 | ||
18 | Earthing swich thermal stability current | KA | 20(2S) | ||
19 | Earthing switch thermal stability current (peak) | KA | 50 | ||
20 | Motor operating power supply voltage | V | AC DC 110,220 |