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Compact metal-cased 12 V 20 A switching power supply with screw terminals

myVolts

myVolts DC12V 20A Switching Power Supply Driver Small Size 3D Printer

SKU CH-EFB4-62DQM

Converts 110–265 V AC to 12 V DC at 20 A with short-circuit, over-voltage and overload protection in a compact 645 g metal enclosure

  • TypeAT
  • Delivers stable 12 V 20 A DC for 3D printers and LED strips
  • Wide AC 110-265 V input works worldwide without a selector switch
  • circuit, over-voltage and overload protection guards connected equipment
  • Compact 645 g metal chassis fits tight enclosures and is easy to transport
  • Fan-free convection cooling runs silently from 0 °C to 40 °C

What this power supply does

This unit converts mains AC from 110V to 265V into a regulated DC 12V output rated at 20A. It is built for professional use with LED lighting strips, security cameras, CCTV systems, 3D printers and audio amplifiers. The metal enclosure provides impact resistance and the compact form factor makes it easy to position in tight spaces.

The spec that decides fit

The critical figure is the 20A maximum current at 12V. Add up the draw of every device you plan to run from this supply; if the total exceeds 20A you must split the load across multiple units. The wide 110V–265V input range means it accepts most global mains voltages without manual switching.

How it integrates into a build

Terminals are labelled L and N for AC input, GND for DC negative and V for DC positive, with an ADJ trimmer for fine voltage adjustment. Cooling is by free convection so leave airflow space around the metal case. It supports common LED strip types including 3528, 2835, 3014, 5050, 5630 and 5730, and operates from 0°C to 40°C ambient.

Pontos fortes

  • Delivers stable 12 V 20 A DC for 3D printers and LED strips
  • Wide AC 110-265 V input works worldwide without a selector switch
  • circuit, over-voltage and overload protection guards connected equipment
  • Compact 645 g metal chassis fits tight enclosures and is easy to transport
  • Fan-free convection cooling runs silently from 0 °C to 40 °C

Especificações

TypeAT

Perguntas sobre este artigo

What does the 12 V 20 A output actually deliver to a 3D printer?

It provides a regulated 12 V rail at up to 20 A for the printer’s heated bed, hotend and electronics.

What does the AC 110-265 V input range mean for everyday use?

The unit auto-ranges across 110 V to 265 V at 50/60 Hz, so it works on most mains supplies worldwide without a selector switch.

How much space and mounting clearance does the 645 g unit need?

The compact metal chassis is cooled by free convection; allow open air around it and secure it via its mounting holes on a flat surface.

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