CKG3-12KV/160,250,400,630A Type AC H.V. Three Phase Vacuum Contactor

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 CKG3-12KV/160,250,400,630A Type AC H.V. Three Phase Vacuum Contactor



CKG3-12 AC vacuum contactor is suitable for the feeding network of AC 50HZ, rated voltage 12KV, rated current 160 to 630A, for long-distance connection and disconnection of circuits, and frequent starting and stopping of AC motors. A variety of protection devices cooperate to assemble an explosion-proof electromagnetic starter.This series contactors are composed of insulation frame, metal base, transmission shaft and crutch, electromagnetic system, across the control voltage, armature drives the crutch rotation to open the main contact in the vacuum interrupter. Meanwhile, auxiliary switch breaks power of electromagnetic coil, turns to be permanent-magnet maintenance. After power broke by control loop, energy storage power of power module discharges to electromagnetic coil for degaussing, and the main contact broke under the function of opening spring. 

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