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Enclosed metal power supply unit with terminal connections

Mean Well

Mean Well RS-150-12 150W 12V 12.5A power supply

SKU CH-227R-RZAYM

Enclosed 150W AC-DC switching supply delivering 12V at 12.5A with 105°C capacitors rated for 300VAC surge and 70°C operation

  • TypeAT
  • 150 W continuous output powers demanding 12 V systems
  • 5 A current rating supports high-load industrial equipment
  • Withstands 300 VAC surge input for 5 seconds
  • Operates up to 70 °C ambient with 5G vibration resistance
  • 105 °C rated electrolytic capacitors extend service life

Enclosed 150 W switching power supply

This Mean Well RS-150-12 delivers 150 W at 12 V with 12.5 A output. The unit is built for industrial and automation equipment that requires a stable single-output DC source. Its enclosed metal chassis protects internal components in harsh environments. The supply suits machine builders and maintenance teams needing dependable AC-DC conversion.

Simple screw-terminal wiring and DIN-rail mounting

Installation uses standard screw terminals for input and output connections; no specialised tools are required. The rugged enclosure resists 5G vibration and operates up to 70 °C ambient temperature. Ensure adequate airflow around the case because the design relies on natural convection cooling. Incorrect polarity on the DC terminals will trigger protection and prevent startup.

Fixed 12 V output limits flexible voltage needs

The single 12 V rail cannot be adjusted, so applications requiring multiple voltages or programmable output must use additional converters. Maximum continuous power is capped at 150 W, restricting use with higher-draw loads. The input tolerates 300 VAC surge for 5 seconds but sustained over-voltage will damage the unit. No remote sense or parallel-operation feature is provided.

Highlights

  • 150 W continuous output powers demanding 12 V systems
  • 5 A current rating supports high-load industrial equipment
  • Withstands 300 VAC surge input for 5 seconds
  • Operates up to 70 °C ambient with 5G vibration resistance
  • 105 °C rated electrolytic capacitors extend service life

Specifications

TypeAT

Questions about this item

How can I confirm the RS-150-12 is delivering 12 V at 12.5 A after installation?

Measure the output terminals with a multimeter under load; a steady 12 V reading at up to 12.5 A shows the unit is operating within its 150 W rating.

What ships with the RS-150-12 and what must I source myself?

The package includes one RS-150-12 unit and a free gift; you will need to provide AC input wiring, mounting screws and any output connectors your build requires.

Which RS-150 model should I choose for a 12 V, 150 W application?

Select the RS-150-12; it is the 12 V, 12.5 A, 150 W variant in the series.

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