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    500 amp 3 phase AC Magnetic Contactor, 24V/110V/220V Coil

    Normal close normal open AC magnetic contactor online sale, 3 pole with rated current up to 500 amps, selectable 24V/48V/110V/220V coils voltage. This contactor relay is a form of electrical relay found on 3 phase electric motors.
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    Delivery date: 6-12 days

    AC magnetic contactor relay with rated current up 500 amps, is mainly used for breaking circuit and frequently starting and controlling AC electrical motors, different contact forms and coils voltage are optional.


    Model ATO-CJX2-F500
    Rated Current le max AC-3 (Ue≤440V) 500A
    le max AC-1 (θ≤40°C) 700A
    Coil Rated Voltage (Optional) 110V AC, 220V AC, 380V AC
    Contact Form 3NO
    Auxiliary Contact (Optional) 2NO, 2NC, 1NO+1NC, 2NO+2NC, 1NC+3NO, 4NO, 4NC
    Frequency 50Hz/ 60Hz
    Rated Insulated Voltage (Ui) 1000V
    Rated Impulse Withstand Voltage (Uimp) 8kV
    Rated Operational Voltage 1000V
    Conventional Thermal Current (θ≤40°C) 700A
    Operation Frequency AC-1, AC-2, AC-3 600 times/h
    AC-4 300A
    Rated Power (AC-3) 220/240V 147kW
    380/400V 250kW
    415V 280kW
    440V 295kW
    500V 355kW
    660/690V 335kW
    1000V 335kW
    Connection/ Wiring Number of Lines 2
    Line Size 40x5mm2
    Cable with Splicing 2x240mm2
    Screw Diameter φ10
    Tightening Torque 35N.m
    Standards-Compliant IEC60947-4-1, GB14048.4, EN60947-4-1
    Dimensions 238 x 233 x 232mm
    Weight 25kg


    500 amp 3 phase AC Magnetic Contactor Details

    Tips: Reasons for AC magnetic contractor noise

    • The over travel of the AC contactor contact is too large, resulting in insufficient contact pressure between the moving and static iron cores.
    • The contact springs share the pressure or the release reaction spring force is too large, causing a certain gap between the moving and static iron cores during operation.
    • The clamping screws of the moving and static iron cores are loose, the movable parts are not properly matched, the moving and static iron cores are misaligned when they are sucked in, and the entire surface cannot be contacted.
    • The short-circuit ring is broken or missing. Because the dynamic and static iron cores collide too violently during the pull-in, or the mechanical life ends, the short-circuit ring is broken or lost, resulting in excessive noise.
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