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Enclosed metal power supply, low-profile 38mm height, built-in fan, 36W 12V 3A output

Analog Technologies

Analog Technologies ALRS12V3AT 36W 12V 3A Switching Power Supply

SKU CH-0K7C-0PEFR

Enclosed 36W switching supply converts 90–264VAC to 12VDC at 3A with >83% efficiency, built-in fan, full metal shielding, and 5G vibration resistance for 3D printers, PCs, and LED lighting

  • TypeSwitching Power Supply
  • Wide 90-264VAC input handles global mains voltages
  • 12VDC 3A output delivers 36W for printers and LED strips
  • Efficiency above 83% reduces heat and running costs
  • All-metal 1.5 inch enclosure shields against EMI
  • Built-in fan sustains full load from 10°C to 60°C

Compact 36 W industrial power supply

The Analog Technologies ALRS12V3AT is a 36 W enclosed switching supply that converts 90–264 VAC to a regulated 12 VDC 3 A output. Its 1.5 inch (38 mm) low-profile metal chassis fits tight equipment bays while the built-in long-life fan maintains airflow at full load. The unit is rated for continuous operation from 10 °C to 60 °C and meets international safety standards for industrial use.

Sustained-load behaviour and protection

Efficiency exceeds 83 % under continuous loading, reducing waste heat during long production runs. The supply withstands a 300 VAC surge for five seconds and includes comprehensive protection functions to guard against over-voltage, over-current and short-circuit events. A 5G anti-vibration rating ensures stable output in environments with heavy machinery vibration.

Replaces open-frame or lower-rated units

This model upgrades installations that currently rely on open-frame supplies lacking EMI shielding or units rated below 36 W that cannot deliver a steady 3 A at 12 V. The all-metal enclosure provides full electromagnetic shielding, making the swap worthwhile when noise immunity or regulatory compliance become requirements. It is not suited for applications needing higher output voltage, multiple rails or power above 36 W.

Highlights

  • Wide 90-264VAC input handles global mains voltages
  • 12VDC 3A output delivers 36W for printers and LED strips
  • Efficiency above 83% reduces heat and running costs
  • All-metal 1.5 inch enclosure shields against EMI
  • Built-in fan sustains full load from 10°C to 60°C

Specifications

TypeSwitching Power Supply

Questions about this item

How loud is the built-in fan when the ALRS12V3AT runs continuously at full load?

The unit uses a built-in long-life fan inside an all-metal enclosure rated for 5G anti-vibration, which helps keep noise low during sustained full-load operation from 10°C to 60°C.

What input wiring or mains connection does the ALRS12V3AT require to start working?

It accepts 90V ~ 264VAC and withstands 300VAC surge for 5s, so a standard 110VAC or 220VAC mains supply with appropriate live, neutral and earth connections is all that is needed.

Will the 12V 3A output work reliably with older 3D-printer controller boards and LED strips I already own?

Yes, the 12VDC 3A (36W) regulated output with >83% efficiency and full protection functions is compatible with legacy 12V loads such as printer boards and LED lighting.

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