Description:ZN63A-12 (Vs1) type indoor high voltage vacuum circuit
breaker (here in after referred to as circuit breaker) is used for
indoor high voltage switch equipment of power system,as a
protection and control unit of network equipment,industrial
andmining enter prises power equipment, suitable for the place of
frequent operation atrated working current or many times of
breaking short-circuit current place.The circuit breaker uses the
integrated design of actuator and the circuit breaker body,not only
can be used as a fixed install unit, also can be equipped with
special chassis,hand car unit.temUnitDateRated voltageKv24Rated
frequencyHz50/60Solution levelThunder impulse withstand voltage
(peak value)Kv1251min industrial frequency withstand
voltageKv65 Rated short-circuit break
current KA202531.5Rated
currentA630,1250630,1250,16001250,1600,1200,2500Industrial
frequency withstand currentKA202531.5Rated peak value withstand
currentKA506380Rated short circuit close currentKA506380Rated
operation order O-0.3s-CO-180s-CORated short-circuit
break and close timeTimes20Rated short-circuit durations4Mechanical
life-spanTimes10000
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