12VDC 4A PWM dimmer /led driver

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  12VDC 4A PWM dimmer /led driver  

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Instructions & Specifications: PWM Dimmer, 12 Volt, 4A (48W)

This dimmer is designed to operate LED lighting, such as LED Light Strips and other light sources. It has an integral on/off switch and provides precise dimming of light sources.

To install, use the screw terminals and/or attached input and output wires (shaft is 1/4"). Take care to ensure the dimmer does not contact surrounding metal structure or other wiring.

Specifications

Mode of Operation - Continuously variable, pulse width modulation (PWM).

Supply Voltage - 8 to 20VDC working voltage, up to 30VDC momentary.

Output Voltage Range - From zero VDC to supply voltage

Output Current Range - Up to 4A

Ambient Temp Range - minus 40F (-40C) to 115F (46C), with restrictions as noted

DC-DC Conversion Efficiency - About 98% at full rated current, higher at lower current

Load Types - Optimized for resistive loads

Size– 61*37*25(mm)

Weight–20 to 30 gm,

Load Regulation - Generally less than 3% from minimum load to maximum load at all settings

Line Regulation - Directly proportional to supply voltage

Power Dissipation of Drive Circuitry - Less than 0.038W. No load current draw is about 1mA. Nil current used if on/off switch is in Off position.

Accessories - Knob,

Wiring Diagrams

Working shop

Test tool

AOI inspector