ZN63-12kV(VS1) indoor high-voltage vacuum circuit breaker, VCB.

● Model: ZN63A-12 (VS1)

● Name: AC High Voltage Vacuum Circuit Breaker (VCB)

● Rated frequency: AC 50Hz / 60Hz;

● Rated voltage (Ue): 12kV;

● Power frequency withstand voltage (1min): 42kV;

● Rated impulse withstand voltage (Uimp): 75kV;

● Rated current (Ir): 630A 1250A 1600A 2000A 2500A 3150A 4000A;

● Short time withstand current (Icw) (4s): 25kA 31.5kA 40kA;

● Short circuit drop-out current: 25kA 31.5kA 40kA;

● Phase spacing: 150/ 210/ 275mm;

● Install mode: trolley, fixed;

● Common insulating tube structure;

● Spring operating mechanism 10k time;

● Standard: IEC62271-100, IEC60694