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Description:
The grounding 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 | 40 | |
| 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 | KV | 42 |
| Lightning Impulse withstand voltage | 75 | |||
| 7 | Mechanical life | TIMES | 2000 | |
| (Unit:mm) | |||||
| Specification | E | F | G | H | D |
| JN17-12/40-210 | 210 | 50 | 185 | 655 | 516 |
| JN17-12/40-220 | 220 | 50 | 185 | 675 | 536 |
| JN17-12/40-230 | 230 | 50 | 185 | 695 | 556 |
| JN17-12/40-250 | 250 | 50 | 185 | 735 | 596 |
| JN17-12/40-275 | 275 | 50 | 210 | 810 | 646 |
