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    600A DC Contactor, single pole, 12V/24V/48V

    5 out of 5 based on 3 reviews | Write a review
    High current contactor, designed for DC loads, contact circuit rated load current is 600A, one normally open contact which has excellent conductivity. Single pole contactor, cheap price and manufacturer direct sale.
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    Delivery date: 6-12 days

    Single pole DC contactor has one normal open (SPST-NO) contact, 600A high rated current, particularly used for electric vehicle, telecommunication equiment, car batteries, trains, ships, electronic control system.


    • 600 amps rated load current of contact circuit.
    • 12V, 24V, 48V DC coil rated voltage for selection.
    • Continuous operation duty.
    • Easy and quick installation, available any way to install.
    • Mechanical life up to 300 thousand times.


    Basics Model ATO-AZJ600
    Body Size 130*82*110 mm
    Weight 1510 g
    Technical Parameters Coil Rated Voltage 12V/24V/48V
    Rated Load Voltage 12~72V DC
    Contact Circuit Rated Load Current 600 A
    Contact Form 1 NO
    Overload Current ≤7 le
    Coil Power ≤12 W
    Main contact voltage drop at 100A ≤100 mV
    The Allowed Range of Coil Voltage ±20%
    Pull-In Time (N/O Contacts to Open) ≤30 ms
    Drop-Out Time (N/O Contact to Close) ≤20 ms
    Insulation Resistance ≥50 MΩ
    Work Duty Continuous
    Dielectric Withstanding Voltage 50Hz/60Hz 1500VAC/Min
    Auxiliary Contact Rated Load (Option) 2A/48VDC, 5A/24VDC
    Electric Life Continuous 20000 times
    Mechanical Life 300 thousand times
    Environment Operating Temperature -25℃~55℃
    Operating Humidity 5~95% RH
    International Protection IP 50

    DC Contactor Circuit Diagram
    600A dc contactor circuit diagram
    Installation Diagram (Unit: mm)
    dc contactor 600a dimensionTips: 
    Iron core of the contactor can't suck up, how to solve?
    Possible causes of the fault:

    • Low power supply voltage.
    • Something is wrong with the contactor's control loop or the power supply can't be connected.
    • Contactor coil is broken or burned.
    • The contactor magnet is partly inflexible or the moving contact gets stuck.
    • Pressure of the contact spring is too large.

    Maintenance method:

    1. If there's a huge difference between the measured value and the coil's rated voltage, look up the reason from the power supply and adjust the voltage to the normal value.
    2. Correct the contactor's control loop and connect it by the correct line; replaced the damaged electrical components.
    3. Measure the coil resistance with a multimeter, if the current is too large, the coil shorts or breaks, please replace the coil.
    4. Repair the mechanical fault of the contactor, remove the rusty part, add some lubricating oil to the movement mechanism; replaced the damaged electrical components.
    5. Adjust the contact spring pressure according to technical requirements.
    Existing reviews of 600A DC Contactor, single pole, 12V/24V/48V
    Are we able to buy these separately?
    We recently bought this 600A DC contactor from ATO. We are needing the optional add-on contact blacks that give this the normally open/closed option. Are we able to buy these separately?
    From: Joherry | Date: 02/08/2022
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Sorry, the auxiliary contacts of our ATO-DCCON-C600 cannot be purchased separately. You could repurchase a DC contactor.
    Can your 600A DC contactor be used for continuous duty?
    Can your 600A DC contactor be used for continuous duty?
    From: Pierrette | Date: 08/11/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, it can be used for continuous duty.
    Worked great for dump trailer, shipped faster
    This 600A 24 volt contactor worked great as a direct replacement for my dump trailer, and shipped faster than expected.
    From: Thomas | Date: 04/06/2018
    Was this review helpful? Yes No (0/0)
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