Product Description VACG series AC M.V. vacuum contactor is suitable for power system of AC 50Hz,main circuit rated voltage uo to 12kv,rated current up to 630A,for remote making and breaking,frequently starting and controlling AC motors,more suitable for matching with fuse and a variety of protection device to replace vacuum circuit breaker. The contactor complies GB/T 14808,IEC 60470 and JB/T 7122 standard,the main performance indicators have reached the international level.TypeUnitVACG-160~630/7.2VACG-160~630/12Rated voltagekV7.212Rated currentA160205400630160250400630Making capacityA/100times16002500400063001600250040006300Breaking capacityA/25times12802000320050001280200032005000Rated P.F. withstand voltagekV2842Mechanical life timetimes100,0000Rated operating frequencytimes/h300Short-time operating frequency(20s)times/h1000Mechanical ock operation frequencytimes/h120Clearance between open contactsmm4±0.26±0.5Over travelmm1.8±0.21.8±0.2Closing timems≤80Opening timems≤40Main circuit resistanceμΩ≤200Tri-phase asynchronous timems≤2