Product Description VACZ5 series AC vacuum contactor is suitable for power system of AC tri-phase 50Hz,rated current 630 A and below,rated voltage 12kv and 7.2kv,for remotely making and breaking circuit,frequently starting and controlling AC motor.It also could be combined with fuse and protector to replace vacuum circuit breaker. The contactor complies with GB/T 14808,IEC 60470 and JB/T 7122 standard,the main performance indicators have reached the international level.TypeUnitVACZ5-160~630/7.2VACZ5-160~630/12Rated voltagekV7.212Rated currentA1602504006301602504006304s thermail stability currentA160250400630160250400630Making capacityA/100times16002500400060001600250040006000Breaking capacityA/25times12802000320050401280200032005040Rated P.F. withstand voltagekV2842Rated lightning impulse withstand voltage(peak)kV6075Mechanical life timetimes10,00000Rated operation voltageVAC/DC 110,220,380Rated operation frequencytimes/h300Closing timems≤80Opening timems≤40Tri-phase asynchronous timems≤2Clearance between open contactsmm5.0±0.56.0±0.5Over travelmm1.5±0.5Each conductive loop resistanceμΩ≤200