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Small open-frame power supply unit with green circuit board and exposed components

Mean Well

Mean Well PM-05-5 5V 1A 5W Power Supply

SKU CH-1HKS-DRFWW

A 5 V, 1 A open-frame switching supply with medical-grade 2×MOPP approval and short-circuit, overload and over-voltage protection

  • TypeAT
  • Medical-grade 2xMOPP safety approval
  • BF-application ready with proper system design
  • circuit, overload and over-voltage protection
  • Class II isolation for 5-15W models
  • Under 0.5W no-load power consumption

Compact 5 V power module for embedded builds

The Mean Well PM-05-5 delivers a regulated 5 V output at 1 A from a universal AC input, making it suited for low-power industrial, medical or IT equipment that needs a small open-frame supply.

Steady output under continuous load

The unit is cooled by free air convection and has passed a 100 % full-load burn-in test, so it maintains its rated 5 W without active fans. Protections against short circuit, overload and over voltage engage automatically to keep the output stable during prolonged operation.

Class II isolated plastic housing for direct

The fully isolated case meets medical safety approvals with 2×MOPP rating and supports BF-type applied parts when the system design accounts for it. No-load consumption stays below 0.5 W, and the three-year warranty reflects the manufacturer’s confidence in long-term reliability.

Highlights

  • Medical-grade 2xMOPP safety approval
  • BF-application ready with proper system design
  • circuit, overload and over-voltage protection
  • Class II isolation for 5-15W models
  • Under 0.5W no-load power consumption

Specifications

TypeAT

Questions about this item

How much heat does the PM-05-5 generate when running continuously at full load?

The unit is cooled by free air convection with no fan, so it dissipates heat silently through its fully isolated plastic case during all-day operation.

What mains connection does the PM-05-5 need to start working?

It accepts a universal AC input across the full range, so only a standard mains lead appropriate for your region is required.

Will the PM-05-5 safely power legacy 5 V equipment that lacks modern protection circuits?

Built-in short-circuit, overload and over-voltage protections shield older gear, and the 2×MOPP medical approval confirms robust isolation.

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