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Rectangular silver metal power supply unit with fan grille and terminal block visible

NShi

NShi HRP-450-48 48V 9.5A 450W Server Chassis

SKU CH-1V5Q-EXB3S

Delivers 48V at 9.5A with active PFC, constant current limiting and remote sense in a 1U desktop chassis

  • Chassis TypeDesktop
  • Active PFC corrects power factor for efficient delivery
  • Constant current limiting protects against overload damage
  • Remote sense compensates voltage drop over long cables
  • 100% burn-in test validates full-load reliability
  • Five-year warranty backs long-term operation

450W 48V Server Power Supply

The NShi HRP-450-48 is a single-output 450 watt power supply delivering 48 volts at 9.5 amps for server and industrial equipment. It accepts universal AC input across the full range and withstands a 300VAC surge for five seconds. Built-in active power factor correction and constant current limiting protect connected hardware.

Upgrade From Lower Capacity Units

This unit replaces supplies that lack active PFC, remote sense or DC OK signalling. The jump is worth it when equipment requires forced-air cooling in a 1U low-profile form factor and current-sharing capability for redundant configurations. Built-in remote ON/OFF control and a 5V standby output add management flexibility.

Straightforward Rack Installation

The 1U low-profile chassis fits standard server rails and uses forced air cooling from a built-in DC fan. Installers must verify that the AC input voltage matches the universal range and that the 48V output matches the load requirement. No load power consumption stays below 0.5 watts, minimising idle draw.

Highlights

  • Active PFC corrects power factor for efficient delivery
  • Constant current limiting protects against overload damage
  • Remote sense compensates voltage drop over long cables
  • 100% burn-in test validates full-load reliability
  • Five-year warranty backs long-term operation

Specifications

Chassis TypeDesktop

Questions about this item

What desktop chassis depth and airflow clearance does the 1U low-profile HRP-450-48 require?

The unit is a 1U low-profile design for desktop chassis; it uses forced-air cooling via its built-in DC fan, so allow front-to-rear airflow space.

Which screw terminals and connectors must be wired during installation, and which step is most often missed?

Connect AC input (L, N, FG), DC output (+V, -V), remote sense (+S, -S), DC OK signal, remote ON/OFF control, and the 5 V / .3 A standby output; the remote-sense wiring is the step most often missed.

What maintenance or replacement will the internal DC fan and electrolytic capacitors need over time?

The built-in DC fan will require periodic dust cleaning and eventual replacement; electrolytic capacitors age with heat and load cycles, so plan for capacitor replacement after several years of continuous 450 W operation.

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