Within VS1-121600-315 indoor high voltage vacuum circuit breaker

VS1-12 (ZN63A-12) indoor high voltage vacuum circuit breaker VS1-12 / 630-20 (ZN63A-12 / 630-20), VS1-12 / 1000-20 (ZN63A-12 / 1000-20), VS1- 12 / 1250-20 (ZN63A-12 / 1250-20) VS1-12 / 630-25 (ZN63A-12 / 630-25), VS1-12 / 1000-25 (ZN63A-12 / 1000-25), VS1- 12 / 1250-25 (ZN63A-12 / 1250-25) VS1-12 / 1250-31.5 (ZN63A-12 / 1250-31.5), VS1-12 / 1600-31.5 (ZN63A-12 / 1600-31.5) VS1-12 within (ZN63A-12) type indoor high voltage vacuum circuit breaker, three-phase AC 50Hz indoor fixed voltage power system 12kV switchgear, as network equipment, industrial and mining enterprises to protect and control unit power equipment. Suitable for frequent operation at rated operating current, or short-circuit current breaking several places. The circuit breaker operating mechanism and the circuit breaker body-in-one design, either as a fixed installation unit can also be equipped with a special promotion mechanism, withdrawable unit composition effect. A ring with ambient ambient air temperature: up to + 40 ℃, lower limit of -15 ℃; b Altitude: ≤100m (For higher altitudes, the rated insulation level corresponding increase); c Amplitude: Earthquake column is no more than 8 degrees; d relative humidity on average less than 95%, on average less than 90% e no fire, explosion, heavy pollution, chemical corrosion and severe vibration.