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    50A DC Reversing Contactor, 2 pole, 12V/24V/48V

    Two pole DC reversing contacor with 2 sets of switching contacts, 2NO and 2NC form, 50 amps rated load current of contact circuit, coil rated voltage with 12V/24V/48V DC for selection. Cheap price and manufacturer direct sale.
    SKU: ATO-ADC50
    Delivery date: 6-12 days

    ATO ADC50 reversing contactor is used to change the direction of rotation in alternating current motors, start them gently and to monitor their load. Widely used in auto electric winch, telecommunication equiment, engineering machinery and other electric control system.

    Basics Model ATO-ADC50
    Body Size 81*52*76 mm
    Weight 410 g
    Technical Parameters Coil Rated Voltage 12V/24V/48V
    Contact Circuit Rated Load Current 50A
    Contact Form 2NO and 2NC
    Starting Current ≤4 A
    Overload Current ≤8 le
    Coil Power ≤8 W
    Main Contact Voltage Drop at 50A Load ≤80 mV
    The Allowed Range of Coil Voltage ±20%
    Pull-In Time (N/O Contacts to Open) ≤20 ms
    Drop-Out Time (N/O Contact to Close) ≤10 ms
    Insulation Resistance ≥50 MΩ
    Dielectric Withstanding Voltage 50Hz/60Hz 1500VAC/Min
    Electric Life Continuous 30000 times
    Mechanical Life 300 thousand times
    Environment Operating Temperature -40℃~85℃
    Operating Humidity 5~95% RH

    Installation Diagram
    dc reversing contactor 50a dimension
    Short circuit of the contactor, how to solve?
    Possible causes of the fault:

    • The contactor works in the environment of damp, dust, steam, or corrosive gases.
    • The arc chute damages or falls, load short leads to the contact short of the contactor.
    • Incorrect operation of the positive and reverse contactor, as well as unreliable interlocking, make two contactors to pull in at a same time when reversing.

    Maintenance method:

    1. Improve the working environment and keep clean.
    2. Match an arc-extinguishing equipment again.
    3. Handle the load short failure.
    4. Recheck the contactor's interlocking circuit, change the operation mode.
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