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1. Being used to open and close circuit 2. Products can be manufactured according to customers' specific demands.
| Type | Rate voltage kV | Rate current(A) | Break mg current(A) |
| JDW2-0.5/500 | 0.5 | 500 | 30~500 |
| JDW2-0.5/800 | 0.5 | 800 | 30~800 |
| HJDW2-0.5/500 | 0.5 | 500 | 30~500 |
| HJDW2-0.5/800 | 0.5 | 800 | 30~800 |
| Type | Rate voltage kV | Rate current(A) | 4s heat steady current(A) | Shock current(A) | Impulse withstand voltage(kV) | Power frequency with standvoltage(kV) | ||
| Relatively earth | Between fracture | Relatively earth | Between fracture | |||||
| GW9-10W/200 | 12 | 200 | 12500 | 31500 | 75 | 85 | 38 | 42 |
| GW9-10W/400 | 12 | 400 | 12500 | 31500 | 75 | 85 | 38 | 42 |
| GW9-10W/630 | 12 | 630 | 12500 | 31500 | 75 | 85 | 38 | 42 |
| GW9-10W/1000 | 12 | 1000 | 12500 | 31500 | 75 | 85 | 38 | 42 |
| HGW9-10W/200 | 12 | 20 | 12500 | 31500 | 75 | 85 | 38 | 42 |
| HGW9-10W/400 | 12 | 400 | 12500 | 31500 | 75 | 85 | 38 | 42 |
| HGW9-10W/630 | 12 | 630 | 12500 | 31500 | 75 | 85 | 38 | 42 |
| HGW9-10W/1000 | 12 | 1000 | 12500 | 31500 | 75 | 85 | 38 | 42 |
| GW9-15G/400 | 15 | 400 | 12500 | 31500 | 75 | 85 | 38 | 42 |
| GW9-15G/630 | 15 | 630 | 12500 | 31500 | 75 | 85 | 38 | 42 |