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交流真空接触器 HVJ5 1.14千伏 250安

  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 1140Vand rated current to 250A. It also can be equippedwith thermal relay and all kinds of protection apparatus like electromagnetic starter, especially applied to explosion-proof starterand so on.

  1. Main technical parameter

Rated voltage: 1140 v

Control voltage: 36V, 110V, 220V, 380V

Rated current: 250A

Opening distance: 2±0.2mm

Over travel: 1±0.2mm

Final pressure: 30±3N

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,100times

Breaking capacity: 8Ie,25times

Limit breaking current(A): 4500,3times

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.



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