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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 | 31.5 | |
| 3 | Rated short circuit withstand time | S | 4 | |
| 4 | Rated short circuit making current | KA | 80 | |
| 5 | Rated peak withstand current | KA | 80 | |
| 6 | Rated insulation level | 1min power frequency withstand voltage | 42 | |
| Lightning Impulse withstand voltage | KV | 75 | ||
| 7 | Mechanical life | TIMES | 2000 | |
| (Unit:mm) | ||||||
| Specification | E | F | G | H | D | C |
| JN15-12/31.5-165 | 165 | 75 | 160 | 565 | 426 | |
| JN15-12/31.5-180 | 180 | 75 | 160 | 595 | 456 | |
| JN15-12/31.5-200 | 200 | 75 | 160 | 635 | 496 | |
| JN15-12/31.5-210 | 210 | 75 | 160 | 655 | 516 | |
| JN15-12/31.5-220 | 220 | 75 | 160 | 675 | 536 | |
| JN1512/31.5230 | 230 | 75 | 160 | 695 | 556 | 96 |
| JN15-12/31.5-250 | 250 | 75 | 160 | 735 | 596 | 96 |
| JN15-12/31.5-275 | 275 | 75 | 185 | 810 | 646 | 96 |
