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    1200W Constant Current LED Driver, LED Power Supply

    Buy a 1200W LED light driver at low price. This dimmable LED transformer provides output voltage 42~56V, input voltage 100~277V AC, output current 21A~30A and knob dimming/3-in-1 dimming function, allowing users to adjust the light intensity and customize the lighting environment according to various plant needs.
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    Delivery date: 6-12 days

    Waterproof & rainproof 1200W constant current LED driver features output voltage 42~56V, input voltage 100~277V AC, output current 21A~30A and provides precise current regulation, energy efficiency, and dimming options.


    • Model: ATO-TBW-LFA-1200
    • Input Voltage: 100~277V AC
    • Output Power: 1200W
    • Output Voltage: 42V~56V
    • Output Current: 21A~30A
    • Mode: Constant Current
    • Power Factor: 0.95
    • Size: 480mmx89mmx45mm
    • Efficiency: 96.0%
    • Application: LED Lighting(Especially for Plant Grow Lights)
    • Protection: Over-Heat, Over-Load, Short-Circuit & Open-Circuit
    • Work Temperature: -40℃~60℃

    Dimming Methods

    • (Default) Knob Dimming + (RJ11 Network Port)
    • 3-in-1 Dimming (0-10V/PWM/Resistor)
    • 3-in-1 Dimming + 12V/300mA Auxiliary Source

    Dimension (Unit: mm)

    1200w led driver dimension


    Constant current LED drivers are commonly used in various scenarios such as commercial and residential lighting installations, architectural lighting designs, outdoor and landscape lighting, signage and display boards, automotive lighting systems, horticultural lighting for indoor farming or plant growth, and LED strip lighting. The constant current output ensures consistent brightness, uniform illumination, and proper functioning of the LEDs, enabling energy-efficient and long-lasting lighting solutions in diverse applications.

    led driver applications

    Tips: What is an adjustable constant current LED driver?

    An adjustable constant current LED driver is an electronic device designed to supply a stable current to LEDs, ensuring consistent light output regardless of variations in voltage or environmental conditions. Unlike constant voltage drivers, which provide a fixed voltage, constant current drivers maintain a fixed current, typically measured in milliamps (mA) or amps (A), which is crucial for the longevity and performance of LEDs.

    The "adjustable" aspect refers to the ability to modify the output current according to the specific requirements of different LED applications. This adjustability is achieved through built-in controls, such as potentiometers, dip switches, or digital interfaces, allowing users to fine-tune the current settings. This feature is particularly valuable in applications where the same driver needs to support various types of LEDs or where the light intensity needs to be adjusted.

    Adjustable constant current LED drivers are widely used in commercial, industrial, and residential lighting applications. They help prevent issues like flickering, overheating, and premature failure of LEDs, ensuring optimal performance and energy efficiency. These drivers are essential for applications requiring precise control over lighting conditions, such as architectural lighting, horticultural lighting, and display systems.

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