Power supplies and transformers
Power supplies and transformers convert 230 V mains voltage into a stable DC output of 5 V to 48 V for LED strips, CCTV systems, automation, 3D printers and other electronics. You can choose from compact adapters, slim power supplies in aluminium housings, industrial power supplies in metal enclosures and DIN rail models.
Power supplies and transformers
Most of the range consists of switch-mode power supplies, which deliver a stabilised DC voltage despite being labelled as transformers. Power ratings range from a few watts for miniature electronics modules to 800 W for units in metal enclosures.
The output voltage of the power supply must match the voltage of the connected device, so don’t connect a 12 V LED strip to a 24 V power supply. Choose a power supply with around 20% headroom above the combined power of all connected loads. DIN rail models mount on the standard 35 mm rail in a consumer unit or control cabinet.
Power supplies without a waterproof housing belong in a dry, ventilated space, and their ventilation openings must not be covered. Industrial power supplies in perforated enclosures have exposed screw terminals carrying mains voltage, so fit them inside a distribution board or junction box. Have the mains connection done by an electrician and disconnect the power supply from the mains before changing any wiring.
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