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Silver metal enclosed AT power supply with cooling fan and screw terminals

myVolts

myVolts 12V 33A 400W AT Power Supply

SKU CH-K3E9-DQ6RP

Delivers 12 V DC at 33 A (400 W) from 100–240 V AC with selectable 110/220 V input, multiple protections and fan cooling

  • Product typeAT
  • Reliable power worldwide with 100-240V AC universal input
  • Strong 12V 33A output delivers 400W for demanding loads
  • Comprehensive safety through short-circuit overload and over-voltage protection
  • Cooler operation via metal enclosure and built-in cooling fan
  • Flexible dual-voltage switch selects 110V or 220V before use

Industrial AT power supply

The myVolts 12V 33A 400W AT power supply converts AC 100-240V input to a regulated 12V DC output at 33A. It is built for industrial automation, LED displays, CCTV systems, radio equipment, computer projects, LED strip lighting and 3D printers. A metal enclosed body aids heat dissipation and the unit includes a cooling fan rated for -20 to 60 Celsius operating temperatures.

Sustained load protection

Under continuous operation the supply relies on short-circuit, overload, over-voltage, over-current, overheat, leakage and over-cooling protection circuits. The fan-cooled metal enclosure maintains thermal stability across the full -20 to 60 Celsius range. Protection features engage automatically to preserve the unit and connected equipment during prolonged high-current draw.

AC input voltage selection

The unit accepts 100-240V AC at 50/60Hz but requires manual selection between 110V and 220V via a physical switch before powering on. Incorrect switch position can damage the supply. Output connections use screw terminals for secure wiring. No other input standards or automatic ranging are supported.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $39.99
Cheaper than about 93% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeAT

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