ZN85A-40.5kV indoor high-voltage vacuum circuit breaker, VCB.

● Model: ZN85A-40.5

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

● Rated frequency: AC 50Hz / 60Hz;

● Rated voltage (Ue): 40.5kV;

● Power frequency withstand voltage (1min): 95kV;

● Rated impulse withstand voltage (Uimp): 185kV;

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

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

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

● Phase spacing: 280/ 300mm;

● Install mode: trolley, fixed;

● Common insulating tube structure;

● Spring operating mechanism 10k time;

● Standard: IEC62271-100, IEC60694