Description:
The Earthing switch is a type of electrical switch that is used to connect or disconnect an electrical circuit from the ground. It is typically used to provide a safe path for electrical current to flow to the ground in the event of a fault or short circuit.No. | ltem | Unit | Data | |
1 | Rated voltage | KV | 12 | |
2 | Rated short time withstand current | KA | 50 | |
3 | Rated short circuit withstand time | S | 4 | |
4 | Rated short circuit making current | KA | 100 | |
5 | Rated peak withstand current | KA | 100 | |
6 | Rated insulation level | 1 min power frequency withstand voltage | 42 | |
Lightning Impulse withstand voltage | KV | 75 | ||
7 | Mechanical life | TIMES | 2000 |
(Unit:mm) | |||||
Specification | E | F | G | H | D |
JN17-12/50-210 | 210 | 50 | 185 | 655 | 516 |
JN17-12/50-220 | 220 | 50 | 185 | 675 | 536 |
JN17-12/50-230 | 230 | 50 | 185 | 695 | 556 |
JN17-12/50-250 | 250 | 50 | 185 | 735 | 596 |
JN17-12/50-275 | 275 | 50 | 210 | 810 | 646 |