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    Programmable DC Electronic Load, 3000W/120V/240A

    High power 3000W DC electronic load is available with 120V input voltage, 240A input current and USB/RS232 interface. The programmable electronic load provides a range of functions, including battery testing, automated testing, over-power testing, over-current testing, short-circuit testing, and current monitoring.
    SKU: ATO-EL-3000W
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    Cheap programmable DC electronic load comes with input power 3000W, input voltage 120V and  input current 240A. It is an electronic battery load tester primarily in the testing and validation of power sources, power supplies, batteries, and various electronic components.


    Model ATO-IT8516C+
    Rating (0~40℃) Input Voltage 0~120V
    Input Current 0~240A
    Input Power 3000W
    Min. Operating Voltage 0.15V/24A 1.5V/240A
    Constant Voltage Mode Range 0~18V 0~120V
    Resolution 1mV 10mV
    Accuracy ±(0.05%+0.02%FS) ±(0.05%+0.025%FS)
    Constant Current Mode Range 0~24A 0~240A
    Resolution 1mA 10mA
    Accuracy ±(0.1%+0.1%FS)
    Constant Resistance Mode Range 0.05~10Ω 10Ω~7.5kΩ
    Resolution 16bit
    Accuracy 0.02%+0.08S*2 0.02%+0.0008S
    Constant Power Mode Range 3000W
    Resolution 10mW
    Accuracy ±(0.2%+0.2%FS)
    Measuring Range
    Voltage Readback Value Range 0~18V 0~120V
    Resolution 0.1mV 1mV
    Accuracy ±(0.025%+0.025%FS)
    Current Readback Value Range 0~24A 0~240A
    Resolution 1mA 10mA
    Accuracy ±(0.1%+0.1%FS)
    Power Readback Value Range 3000W
    Resolution 10mW
    Accuracy ±(0.2%+0.2%FS)
    Protection Range
    Over Power Protection ≈3050W
    Over Current Protection ≈26A ≈260A
    Overvoltage Protection ≈125V
    Over Temperature Protection ≈85℃
    Short Circuit Current (CC) ≈26A/24A ≈260A/240A
    Voltage (CV) 0V
    Resistance (CR) ≈5mΩ
    Input Terminal Impedance ≈150kΩ
    Battery Test Capacity Max 999AH
    Dynamic Mode Frequency 0.1Hz~1kHz
    Dimensions 436.5x176x463.5mm
    Weight 30kg


    • The panel of the 240A 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 3000W 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.


    ATO 3000W 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: Is a DC electronic load a tester?

    A DC electronic load serves as a versatile testing tool used to evaluate the behavior and functionality of various electrical devices and power sources. It functions as a tester by simulating specific electrical loads under controlled conditions. This allows engineers, researchers, and manufacturers to assess the performance and quality of the devices under test.

    DC electronic loads offer precise control over parameters such as current, voltage, resistance, and power, making them invaluable for a wide range of applications. They are commonly employed in battery testing to measure capacity, discharge characteristics, and efficiency. Power supply testing ensures the stability and efficiency of power sources, while charger testing evaluates the performance of charging devices under varying load conditions.

    In addition to their role in testing power sources, electronic loads are essential for characterizing electronic components like voltage regulators and power amplifiers. They can be programmed to create custom load profiles and sequences, enabling automation and consistency in testing procedures.

    Overall, DC electronic loads play a crucial role in the research, development, and quality control of electronic and electrical products. Their ability to replicate real-world operating conditions and provide precise measurement and control makes them an indispensable tool in various industries.

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