| Customization: | Available |
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| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Manual & Electrical Type |
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| Rated parameters | Other technical parameters | Power frequency withstand voltage | |||
| The rated voltage | 12kV | Internal arc test | 20kA/0.1sec | 10sec (wet test) | 45kV |
| Rated current | 630A | Arc suppression medium | SF6Gas | 1min (dry test) | 50kV |
| Rated frequency | 50/60Hz | Insulating medium | SF6Gas | 1min (dry test) | 50kV |
| Short-time Tolerance Current (RMS) | 20kA/4sec | Creep distance (porcelain casing) | 550mm | ||
| Creep distance (silicone sleeve) | 615mm | ||||
| Protection grade | 54 | ||||
| Mechanical properties of | <0.1sec | Impact pressure (1.2×50μs) | gas pressure | ||
| Closing/opening time | 10,000 times | relatively | 85kV | rated working pressure(kgf/cm2G,at20ºC) | 0.7 |
| Mechanical stability operation | -25(-40)~70ºC | Between the fracture | 95kV | Explosion-proof device operating pressure(kgf/cm2G) | 4~6 |
| Ambient temperature | minimum operating pressure(kgf/cm2G) | 0.05 | |||
| Gas leakage rate(cc/sec) | 1.1×10-7 | ||||
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