A category of AC to DC transformers and drivers designed to provide safely regulated voltage and current for LED strip lights and lighting systems.
LED Power Supplies, also known as LED drivers or transformers, are essential components for powering low-voltage LED lighting systems safely and efficiently. These devices convert high-voltage alternating current (AC) from standard wall outlets into the stable, low-voltage direct current (DC) required by LED strips, bulbs, and modules—typically operating at 12V or 24V.
Explore our collection of user manuals for a wide range of LED power adapters, including dimmable, waterproof, and regulated Class 2 drivers. These guides provide vital information on calculating wattage loads, safe wiring, system maintenance, and essential troubleshooting to ensure electrical compliance and system longevity.
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First, identify the voltage required by your LED strip (typically 12V or 24V). Next, calculate the total wattage your strip uses (watts per foot multiplied by total feet). Choose a power supply that matches the voltage and exceeds your total required wattage by at least 20% to prevent overheating.
While the terms are often used interchangeably, technically an LED driver regulates to provide constant current, whereas an LED power supply (or adapter) provides a constant voltage output (e.g., exactly 12V DC).
You should only use an LED power supply outdoors if it specifically features a weatherproof rating, such as IP65 or IP67. Indoor-rated supplies can short-circuit or fail when exposed to moisture.
Connect the high voltage AC input wires (usually black for Line, white for Neutral, and green for Ground) to your mains electricity, preferably through a junction box. Connect the DC output wires (typically red for positive, black for negative) to your LED strip. Always turn off main breakers before wiring and consult your specific product manual.