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    80A DC Contactor, single pole, 12V/24V/48V

    $84.36
    80A rated current DC contactor has one normally open contact, single pole, available any way to install, coil rated voltage with 12V/24V/48V DC for choice.
    SKU: ATO-ANR80
    Delivery date: 6-12 days

    ATO-ANR80 single pole DC contactor with normal open contact, using for battery, rectification power supply, pump motor and other electronic vehicles.
    Features

    • 80 amps rated load current of contact circuit.
    • 12V, 24V, 48V DC coil rated voltage for selection.
    • The allowed range of coil voltage is ±20%.
    • 2A/48VDC and 5A/24VDC auxiliary contact rated load to choose.
    • Mechanical life up to 300 thousand times.
    Basics Model ATO-ANR80
    Body Size 75*55*82 mm
    Weight 210 g
    Technical Parameters Coil Rated Voltage 12V/24V/48V
    Contact Circuit Rated Load Current 80 A
    Contact Form 1 NO
    Overload Current ≤7 le
    Coil Power 4-10 W
    Main Contact Voltage Drop at 100A Load ≤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
    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

    Installation Diagram
    80A DC contactor dimension
    Tips: 
    The contactor coil is overheated or burned down
    Possible causes of the fault:

    • Supply voltage is too high.
    • Contactor is frequently operated.
    • High ambient temperature, end face of the contactor's iron core is not smooth.
    • There's a mechanical failure on the contactor's movable iron core, which makes the iron core unable to suck, turn-to-turn short circuit.

    Maintenance method:

    1. Measure whether the working voltage on the contactor conforms to the rated voltage of the contactor coil, if it's too high or too low, adjust it to the normal voltage value.
    2. Improve the temperature of working environment, strengthen heat dissipation.
    3. Clean and wipe the end face of contactor iron core, replace the iron core when necessary.
    4. Check if the mechanical part of the contactor moves flexibly, replace a same type coil after repairing if the coil has been burned out.
    5. Eliminate the reasons for causing mechanical damage of the contactor coil, replace the coil.
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