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Rectangular aluminium power supply, silver finish, screw terminals visible

myVolts

myVolts S-50-12 12V 4.2A 50W power supply

SKU CH-8557-WXEMJ

A 12 V 4.2 A switch-mode supply with short-circuit, overload and over-voltage protection, CCC, FCC and CE compliance, and an aluminium housing rated for 0 to 40 °C operation

  • TypeAT
  • High efficiency and low DC ripple for stable power
  • Operates from 0 to 40 °C with long service life
  • High insulation strength for safe operation
  • 100 % full-load burn-in test ensures reliability
  • circuit, overload and overvoltage protection built in

12 V 50 W industrial power supply

This 12 V 50 W switch-mode unit delivers up to 4.2 A for industrial automation, LED displays, CCTV and 3D printers. The aluminium-alloy chassis runs without a fan from 0 to 40 °C. Built-in short-circuit, overload and over-voltage protection guards connected equipment. CCC, FCC and CE marks confirm basic safety compliance.

AC 100-240 V input with adjustable output

The supply accepts worldwide mains voltages from 100 to 240 V and provides a DC 12 V output that can be trimmed via the ADJ terminal. Low DC ripple and high working efficiency suit sensitive LED strips and control boards. Natural convection cooling limits use to environments below 40 °C and 95 % non-condensing humidity. No forced-air or liquid-cooling provision is included.

Screw-terminal wiring for panel mounting

L, N and GND terminals take standard ring or fork lugs; the V+ and ADJ terminals allow voltage adjustment before final tightening. The compact 85 x 58 x 33 mm footprint fits DIN-rail enclosures and tight machine cabinets. Installers must verify polarity and torque each terminal to avoid loose connections under vibration. The unit ships with no mounting brackets or DIN clips.

Puntos fuertes

  • High efficiency and low DC ripple for stable power
  • Operates from 0 to 40 °C with long service life
  • High insulation strength for safe operation
  • 100 % full-load burn-in test ensures reliability
  • circuit, overload and overvoltage protection built in

Especificaciones

TypeAT

Preguntas sobre este artículo

Which model in the comparison table fits a 50 W load?

The S-50-12 is rated for 50 W at 12 V and 4.2 A, while the S-36-12 stops at 36 W and 3 A.

What does the 4.2 A rating mean when the unit is installed in a 3D printer or LED display?

It can deliver up to 4.2 A continuously at 12 V, so a device drawing 50 W or less will run within spec.

The AC input says 100-240 V — what voltage range does that actually cover?

It accepts any mains supply from 100 V to 240 V AC, making it usable worldwide without a separate adapter.

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