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Silver metal enclosed power supply with built-in fan, low-profile 1.97 inch height

Analog Technologies

Analog Technologies ALRS24V20AT 480W 24V 20A Switching Power Supply

SKU CH-CTRQ-FK8X7

Converts 90-264 VAC to 24 VDC at 20 A with 85 % efficiency at 230 VAC, 1.97 in low-profile metal enclosure, built-in fan, 10-60 °C operation, and 300 VAC surge tolerance

  • TypeSwitching Power Supply
  • Converts 90V–264VAC input to stable 24VDC 20A output
  • 480W capacity with 85% efficiency at 230VAC reduces energy waste
  • All-metal enclosure provides full EMI shielding for clean power delivery
  • Operates reliably from 10°C to 60°C with built-in long-life fan
  • Withstands 300VAC surge for 5 seconds protecting connected equipment

What this power supply does

The ALRS24V20AT is a 480W enclosed switching supply that converts 90 to 264VAC input into a regulated 24VDC output at 20A. Its low-profile metal case measures 1.97 inches (50mm) tall and includes a built-in long-life fan for continuous full-load cooling.

Who this suits and who it does not

Engineers powering 24V industrial equipment such as 3D printers, LED lighting arrays or CNC controllers will appreciate the 85% efficiency at 230VAC and the 5G vibration rating for harsh environments. Buyers who need adjustable voltage, redundant outputs or remote sensing should consider alternative units.

The specification that decides fit

The fixed 24V 20A output delivers exactly 480W, so the load must stay within that current limit; the supply accepts 110VAC or 220VAC mains and withstands a 300VAC surge for 5s, operating reliably from 10°C to 60°C.

Highlights

  • Converts 90V–264VAC input to stable 24VDC 20A output
  • 480W capacity with 85% efficiency at 230VAC reduces energy waste
  • All-metal enclosure provides full EMI shielding for clean power delivery
  • Operates reliably from 10°C to 60°C with built-in long-life fan
  • Withstands 300VAC surge for 5 seconds protecting connected equipment

Specifications

TypeSwitching Power Supply

Questions about this item

What are the mounting dimensions for the 1.97-inch high metal enclosure?

The enclosed supply measures 1.97 inches (50 mm) tall and uses an all-metal case with standard mounting holes; check the chassis drawing for exact hole spacing before drilling.

How do I wire the AC input for 110 V or 220 V operation?

Connect live, neutral and ground to the input terminal block; the unit auto-ranges from 90 V to 264 VAC so no jumper or switch change is required.

What maintenance does the built-in long-life fan need over time?

Periodically vacuum dust from the fan intake and exhaust vents; if bearing noise increases or airflow drops, replace the fan to keep internal temperatures within the 10 °C to 60 °C operating range.

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