Product Description This series vacuum contactor is suitable for power network AC 50Hz,the main circuit rated voltage 1140v,rated current up to 630A,for making,breaking,frequently staring and controlling AC motor,also for DRforming magnetic starer with a variety of protection devices(JDB electronicn integrated protector,JR9 type over current protection device,resistance capacitance absorber),especially for forming anti-explosion magnetic starter. The contactor conforms to IEC 60947-4-1,GB/T 14048.4 and JB/TN 7122 standard,the main performance indicators have reached the international level."Y"means this product has coil operation mechanism type and permanent magnet operation mechanism type.Coil operation echanism type is normally used.Customers can choose the suitable type according to the application.Item80A125A160A250A400A630AMain circuit rated voltage1.14kVMain circuit rated current80A125A160A250A400A630AMain circuit making capacity800A/100times125A/100times1600A/100times2500A/100times4000A/100times6300A/100timesMain circuit breaking capacity640A/10times1000A/10times1280A/10times2000A/10times3200A/10times5040A/10timesMain circuit P.F. withstand voltage10kVElectrical life AC360 ten-thousand timesElectrical life AC46 ten-thousand timesMechanical life time1000 ten-thousand timesRated operating frequency AC36000times/hRated operating frequency AC4300times/h120times/hShort-time operating frequency(20s)2000times/hClearance between open contacts1.8±0.1mm2.0±0.1mm2.2±0.1mmOver travel1.0±0.1mm1.0±0.1mm1.0±0.1mmContactcircuit P/F. withstand voltage≤2kVClosing time≤100msOpening time≤80ms