● Model: ZBK-12
● Name: AC High Voltage Fast Vacuum Circuit Breaker (FVCB)
● Rated voltage (Ue): 12kV;
● Power frequency withstand voltage (1min): 42kV;
● Rated impulse withstand voltage (Uimp): 75kV;
● Rated current (Ir): 630A 1250A 1600A;
● Short time withstand current (Icw) (4s): 25kA 31.5kA;
● Short circuit drop-out c: 25kA 31.5kA;
● Phase spacing: 150/ 210/ 275mm;
● Install mode: trolley, fixed;
● Embedded pole column;
● Permanent magnetic operating mechanism 30k times;
● Closing time ≦10ms, open ≦3ms;
● Applicable for flexible power supply;
● Standard: IEC62271-100, IEC60694
