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    Programmable DC Electronic Load, 120W/120V/20A

    5 out of 5 based on 1 reviews | Write a review
    Cheap DC electronic load comes with input power 120W, input voltage 120V, and input current 20A. It is a programmable electronic load that provides battery tests, automatic tests, over-power tests, over-current tests, short circuits tests and current monitoring functions.
    SKU: ATO-EL-120W
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    Delivery date: 6-12 days

    Low cost 120W/120V/20A programmable DC electronic load is an electronic load tester primarily in the testing and validation of power sources, power supplies, batteries, and various electronic components.


    Model ATO-IT8510
    Rating (0~40℃) Input Voltage 0~120V
    Input Current 0~20A
    Input Power 120W
    Min. Operating Voltage 0.2V/3A 1.3V/20A
    Constant Voltage Mode Range 0~18V 0~120V
    Resolution 1mV 10mV
    Accuracy ±(0.05%+0.025%FS)
    Constant Current Mode Range 0~3A 0~20A
    Resolution 0.1mA 1mA
    Accuracy ±(0.05%+0.1%FS) ±(0.1%+0.1%FS)
    Constant Resistance Mode*1 Range <100Ω <4kΩ
    Resolution 0.01Ω
    Accuracy ±(1%+0.3%FS) ±(1%+0.8%FS)
    Constant Power Mode*2 Range 0~100W 100~120W
    Resolution 1mW 10mW
    Accuracy ±(0.5%+0.2%FS)
    Measuring Range
    Voltage Readback Value Range 0~18V 0~120V
    Resolution 1mV 10mV
    Accuracy ±(0.025%+0.025%FS) ±(0.025%+0.025%FS)
    Current Readback Value Range 0~3A 0~20A
    Resolution 0.1mA 1mA
    Accuracy ±(0.1%+0.1%FS) ±(0.2%+0.15%FS)
    Power Readback Value Range 0~100W 100~120W
    Resolution 1mW 10mW
    Accuracy ±(0.5%+0.2%FS)
    Protection Range
    Over Power Protection ≈130W
    Over Current Protection ≈3.3A ≈22A
    Overvoltage Protection ≈130V
    Over Temperature Protection ≈85℃
    Short Circuit Current (CC) ≈3.3A/3A ≈22A/20A
    Voltage (CV) 0V
    Resistance (CR) ≈65mΩ
    Input Terminal Impedance ≈300kΩ
    Battery Test Capacity Max 999AH
    Dynamic Mode Frequency 0.1Hz~1kHz
    Dimensions 214.5x88.2x354.6mm
    Weight 5kg


    • The panel of the 20A 120V programmable DC electronic load can be edited, and the rotary coding switch makes it easier to operate. Built-in USB/RS232 interface, memory capacity of 100 groups, which can be stored in the instrument.
    • This 120W electronic load tester has a battery test function, automatic test function, over-power test function, over-current test function, short-circuit function (CC/CV/CR/CW working mode), and current monitoring function.
    • Its voltage measurement resolution can reach up to 0.1mV/0.1mA, and its sense remote measurement function compensates for line voltage drops to make long-distance testing more accurate.


    Electronic load details


    ATO 120W programmable DC electronic load can be used for testing batteries, power supplies, LED lighting, DC-DC converters, voltage regulators, solar panels, automotive electronics, aerospace and defense electronics, and educational training.

    Electronic load applications

    Tips: What is a DC electronic load?

    A DC electronic load is a test instrument used to apply a controllable and adjustable load to an electrical circuit or device powered by a direct current (DC) source. It allows engineers, researchers, and technicians to simulate real-world operating conditions and assess the performance of various electronic components and systems, such as power supplies, batteries, voltage regulators, and renewable energy sources, by drawing a specific current and voltage from the device under test.

    DC electronic loads typically offer precise control over current, voltage, power, and resistance, making them valuable tools for testing and characterizing electronic devices, ensuring their efficiency, reliability, and compliance with specifications, and aiding in the development and troubleshooting of electrical systems.

    Existing reviews of Programmable DC Electronic Load, 120W/120V/20A
    Great value
    This is a great product loaded with many features for a reasonable price. Performs well and easy to set up.
    From: Liam | Date: 26/11/2023
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