HVJ5 1.14 kv 250A AC vacuum contactor

1. General HVJ5 1.14 kv 250A AC vacuum contactor is designed for long-distance making and breaking of circuit, frequent starting and controlling of AC motors in the power systems, with AC 50Hz-60Hz, rated voltage of 1140V and rated current to 250A. It also can be equipped with thermal relay and all kinds of protection apparatus like electromagnetic starter, especially applied to explosion-proof starter and so on. 2. Main technical parameter Rated voltage: 1140 v Control voltage: 36V, 110V, 220V, 380V Rated current: 250A Opening distance: 2±0.2 mm Over travel: 1±0.2 mm Final pressure: 30±3 N Main circuit power frequency voltage withstand: 4200 V Auxiliary circuit power frequency voltage withstand: 2500 V Control circuit power frequency voltage withstand: 2000 V Making capacity: 10Ie,100 times Breaking capacity: 8Ie,25 times Limit breaking current(A): 4500,3 times Electricity life times AC3: 60*104 Electricity life times AC4: 60*104 Mechanical life times: 300*104 Overload capacity: 8Ie 10S Remark: “Ie” is Rated current of main circuit.