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Silver rectangular DIN-rail power supply with ventilation slots and terminal blocks

NShi

NShi SDR-480-48 48V 10A DIN Rail Server Chassis

SKU CH-6S3P-ZNFCB

A DIN-rail power supply delivering 48 V at 10 A with up to 94 % efficiency and built-in DC OK relay contact

  • Chassis TypeDesktop
  • High efficiency up to 94% reduces energy waste
  • Active PFC function improves power factor correction
  • DIN rail TS-35 7.5 or 15 mounting simplifies installation
  • Built-in DC OK relay contact enables status monitoring
  • Protections against short circuit overload over voltage over temperature ensure reliability

DIN Rail 48 V Power Supply

The NShi SDR-480-48 is a 48 V, 10 A DIN rail power supply designed for industrial and server installations. It delivers up to 480 W with a high efficiency of 94 % and includes a built-in DC OK relay contact for remote monitoring.

Input Voltage and Rail Compatibility

Verify that your site provides an AC input between 180 and 264 VAC before ordering. The unit mounts on standard TS-35 DIN rails with either 7.5 mm or 15 mm profiles, so confirm the rail type in your cabinet.

Convection Cooling and Peak Load

Cooling is by free air convection, so the unit runs silently but requires adequate airflow around the chassis. It supports a 150 % peak load capability for short durations and carries protections against short circuit, overload, over voltage and over temperature.

Highlights

  • High efficiency up to 94% reduces energy waste
  • Active PFC function improves power factor correction
  • DIN rail TS-35 7.5 or 15 mounting simplifies installation
  • Built-in DC OK relay contact enables status monitoring
  • Protections against short circuit overload over voltage over temperature ensure reliability

Specifications

Chassis TypeDesktop

Questions about this item

Does the unit ship with the DIN rail clip fitted or do I need to order TS-35 hardware separately?

The chassis is designed to mount on standard TS-35 DIN rail, either 7.5 mm or 15 mm depth; the rail itself is not included and must be sourced separately.

The range includes 75 W, 120 W, 240 W, 480 W and 960 W models — how do I decide which capacity matches my load?

Add the maximum power draw of every device you will feed from the 48 V rail; if the total stays below 480 W the SDR-480 is adequate, otherwise step up to the 960 W unit or parallel multiple 480 W supplies using the current-sharing function.

What does the 94 % efficiency figure mean for heat inside a sealed cabinet when the supply runs at its 480 W rated output?

At 94 % efficiency roughly 30 W is dissipated as heat, so the enclosure ventilation must be sized to remove at least that amount continuously.

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