CKJ5-125 / 1140 / 220v AC vacuum contactor Usage: CKJ5-125 / 1140 vacuum contactors for AC 50HZ, rated working voltage up to 1140V, rated operating current 125-400A electricity network, for direct or remote access pass and breaking with the main circuits. Because the main contacts to work in a high vacuum environment, so there is an arc ranking is not exposed, small size, light weight, long life, long maintenance cycle, etc., especially suitable for the composition of the various lights controller and work in oil, chemicals and other occasions . The main parameters Model: CKJ5-125 / 1140 Vacuum AC contactor Current: 125A Power: 1140V Rated voltage: coil voltage 36V, 110V, 220V, 380V CKJ5-125 / 1140 Contactor Installation size: 290 * 140 * 163 * 260 Dimensions 150 * 127 pitch: 141mm CKJ5-125 / 1140 vacuum contactor 1. The contact structure and working principle consists of vacuum interrupters, insulated frame, boom, magnetic circuit cage, electromagnetic operating mechanism and fairing components. Electromagnetic actuating mechanism by the core, the coil, the magnetic pole plate, the armature plate, shaft, boom and other components. 2. The vacuum switch tube static conductive plates are fixed by screws in the insulating frame, the insulation around the support frame and the support frame coupled with the magnetic circuit plates and screws. When the coil is energized armature pull, driven boom and guide rod, so that the vacuum switch moving contact sport, contact with the static contact, the contact in the closed state. When the coil is de-energized, the reaction force of the spring in the role of the armature plate release, static and dynamic contact separation to make contacts in the OFF state. 3. The solenoid-operated mechanism from the core, the coil, the magnetic pole plate, the armature plate, shaft, boom and other components. Auxiliary contacts located at one end of the armature plate, driven by the auxiliary contact armature moves up and down movement.