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Open-frame PCB power supply with soldered components, 12V output

Mean Well

Mean Well PS-45-12 12V 3.7A 44.4W power supply

SKU CH-RVHS-P0FVH

Open-frame AT power supply delivering 12 V at 3.7 A for 44.4 W continuous output

  • TypeAT
  • Delivers stable 12 V output at 3.7 A
  • Provides 44.4 W continuous power for industrial loads
  • Open-frame PCB design fits standard enclosures
  • 100 % original Mean Well unit with serial verification
  • Single-output switching topology ensures efficient conversion

Industrial open-frame power supply

The Mean Well PS-45-12 is an AT-type AC-DC unit delivering 12 V at 3.7 A for a total of 44.4 W. It targets engineers and technicians who need a compact, single-output board supply for embedded systems, test rigs or industrial equipment.

Installation notes

The open-frame PCB design means the supply mounts directly inside a chassis without an external enclosure. Clearance for airflow and proper insulation of mains terminals are the installer's responsibility; no fan or mounting hardware is included in the package.

Sustained-load behaviour

Rated for continuous operation at 44.4 W, the unit maintains its 12 V output without the derating that short-burst ratings can hide. It lacks active power-factor correction, so input current waveform and harmonic limits should be checked against site standards before long-term deployment.

Points forts

  • Delivers stable 12 V output at 3.7 A
  • Provides 44.4 W continuous power for industrial loads
  • Open-frame PCB design fits standard enclosures
  • 100 % original Mean Well unit with serial verification
  • Single-output switching topology ensures efficient conversion

Caractéristiques

TypeAT

Questions sur cet article

How can I verify the PS-45-12 is delivering 12 V at 3.7 A after installation?

Measure the output terminals with a multimeter under load; a reading near 12 V while drawing up to 3.7 A confirms the 44.4 W unit is operating correctly.

What ships with the PS-45-12 and what must I source separately?

The package includes one PS-45-12 unit and a free gift; input cables, output connectors and any mounting hardware are not included and must be purchased separately.

Which PS-45-12 variant should I select for a 12 V 44.4 W requirement?

The PS-45-12 is a single 12 V 3.7 A 44.4 W model; choose this version when your design calls for exactly 12 V at up to 3.7 A.

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