Customization: | Available |
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Breaking Capacity: | High Voltage Circuit Breakers |
Operation: | Electric Type |
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Item | Parameter | Item | Parameter |
Rated voltage | 12kV | Rated operating sequence | open-0.3sclose open-180s close open |
Rated current | 630A | Rated short-circuit current breaking times | 30 times |
power-frequency withstand voltage | 42kV/48kV | Mechanical life | 10000 times |
lightning impluse withstand voltage(peak) | 75kV/85kV | Rated operating voltage(closing/opening coil) | DC220V AC220V |
Rated short-circuit breaking current(effective value) | 25kV | Allowable wear thickness of moving and stationary contacts | 3mm |
Rated short-circuit making current(peak) | 50kV | Disconnection distance of isolation fracture | >200mm |