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Rectangular enclosed metal power supply with built-in fan

NShi

NShi RSP-1500-48 1500W 48V 32A power supply

SKU CH-CVJN-7CN5Q

Delivers 1500W at 48V with 32A output, 91% efficiency, adjustable voltage and current, and full protection from -20 to 70°C

  • Chassis TypeDesktop
  • Up to 91% conversion efficiency reduces energy waste
  • Adjustable output voltage and constant current suit varied loads
  • Remote switch and sensing simplify system integration
  • Operates at full load from -20 to +70 °C
  • circuit, overload, over-voltage and over-temperature protection safeguards equipment

1500 W 48 V industrial power supply

The NShi RSP-1500-48 is a 1500 W enclosed AC/DC switching power supply that delivers a single 48 V output at up to 32 A. It is built for industrial automation, test instrumentation and DIY engineering projects that need a rugged metal chassis and a built‑in DC fan for continuous cooling.

Sustained-load behaviour and protection

The unit maintains up to 91 % conversion efficiency while running at full load across an operating range of -20 to +70 °C. Integrated short‑circuit, overload, over‑voltage and over‑temperature protection shut the output down safely if limits are exceeded, and the supplier cautions against prolonged operation above the rated 32 A current.

Pre‑installation checks

Verify that your application can accept a 48 V DC single‑output supply rated at 1500 W and 32 A. Confirm that the available AC input voltage matches the unit’s specification and that the enclosure has sufficient airflow for the internal fan. Ensure wiring and connectors are rated for the full 32 A continuous current before connecting the load.

Highlights

  • Up to 91% conversion efficiency reduces energy waste
  • Adjustable output voltage and constant current suit varied loads
  • Remote switch and sensing simplify system integration
  • Operates at full load from -20 to +70 °C
  • circuit, overload, over-voltage and over-temperature protection safeguards equipment

Specifications

Chassis TypeDesktop

Questions about this item

How loud and hot does the built-in DC fan get when the RSP-1500-48 runs at 1500 W all day?

The unit is rated for continuous full-load operation from -20 °C to +70 °C with 91 % efficiency, so waste heat is limited; the internal DC fan provides forced-air cooling inside the enclosed metal chassis.

What external wiring or accessories must I already have to use the remote switch, remote sensing and DC OK signal functions?

You need to supply your own control cables for the remote on/off, sense leads and DC OK signal terminals; the supply provides the connection points but no cables are included.

Will the 48 V 32 A output work safely with older 48 V equipment that draws less current?

Yes, the output voltage and constant-current limit are adjustable, and built-in short-circuit, overload, over-voltage and over-temperature protections guard legacy loads.

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