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    120W Constant Current LED Driver, LED Power Supply

    Waterproof & rainproof 120W constant current LED driver is available with output voltage 28~56V, input voltage 100~277V AC, and output current 2.2A~3.6A, providing precise current regulation, energy efficiency, and dimming options.
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    Delivery date: 6-12 days

    The provided LED driver comes with output voltage 28~56V, input voltage 100~277V AC, output current 2.2~3.6A, waterproof, no flicker, high efficiency, and super compatibility. Factory price constant current LED driver is ideal for indoor farming or plant grow lighting.


    • Model: ATO-TBW-LFA-120
    • Input Voltage: 100~277V AC
    • Output Power: 120W
    • Output Voltage: 28V~56V
    • Output Current: 2.2A~3.6A
    • Mode: Constant Current
    • Power Factor: 0.95
    • Size: 200mmx67mmx40mm
    • Efficiency: 90.0%
    • Application: LED Lighting(Especially for Plant Grow Lights)
    • Waterproof Grade: IP65/IP67
    • 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)

    120w 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 does an LED driver do?

    An LED driver is a device that regulates and supplies the necessary electrical power to light-emitting diodes (LEDs). Here's a summary of what an LED driver does:

    • Voltage Regulation: LED drivers ensure that the LEDs receive a stable and consistent voltage supply. LEDs require a specific voltage to operate efficiently, and the LED driver helps maintain this voltage level, compensating for any fluctuations or variations in the input power source.
    • Current Regulation: LEDs are current-driven devices, meaning they require a specific amount of current to emit light at the desired brightness level. LED drivers control and regulate the current flowing through the LEDs, ensuring that it remains within the specified operating range. This helps prevent excessive current that can damage the LEDs and ensures consistent brightness across multiple LEDs.
    • Power Conversion: LED drivers convert the incoming power supply, which can be AC (alternating current) or DC (direct current), into the appropriate form required by the LEDs. This conversion may involve rectification (converting AC to DC), voltage step-down or step-up, and current regulation to match the specific electrical needs of the LED system.
    • Protection Features: LED drivers often incorporate protection mechanisms to safeguard both the LEDs and the driver itself. These features can include over-voltage protection, over-current protection, short-circuit protection, and temperature monitoring. These safeguards help prevent damage to the LEDs and the LED driver in case of electrical faults or abnormal operating conditions.

    By performing these functions, LED drivers ensure that the LEDs receive the correct voltage and current levels they need to operate optimally. LED drivers play a crucial role in maintaining the performance, efficiency, and lifespan of LED lighting systems in various applications such as residential lighting, commercial lighting, automotive lighting, and more.

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