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Silver rectangular 1U server chassis with built-in DC fan and power supply unit visible

NShi

NShi Mean Well HRPG-300-3.3 3.3V 60A 198W Server Chassis

SKU CH-CTHF-ATGEH

A 3.3V 60A 198W server chassis with built-in active PFC, constant current limiting, remote sense and 100% burn-in test

  • Chassis TypeDesktop
  • Active PFC improves power efficiency
  • Constant current limiting protects against overload
  • Remote sense maintains accurate 3.3V output
  • 100% burn-in test ensures reliability
  • 5-year warranty backs long-term use

3.3 V 60 A Power Supply for Server Chassis

This unit is a single-output power supply delivering 3.3 V at up to 60 A for a total of 198 W. It is built into a desktop-type server chassis and includes active power-factor correction. The supply suits integrators who need a compact, forced-air-cooled source for 3.3 V loads in a 1U low-profile enclosure.

Capacity and headroom

Continuous output is rated at 198 W with a built-in constant-current limiting circuit that protects against overload. The fan-cooled design handles full-load operation after a 100 % burn-in test, while no-load consumption stays below 0.5 W. Systems requiring higher power, additional voltage rails or redundant current-sharing beyond the 600 W models listed will exceed what this supply provides.

Active PFC and remote-sense function

The built-in active PFC function shapes the input current across a universal AC range and withstands a 300 VAC surge for five seconds. A remote-sense terminal compensates for voltage drop across the load cables, and a DC-OK signal plus remote on/off control simplify system integration. Buyers needing current-sharing capability should note it is only specified for the 24 V, 36 V and 48 V variants of the 600 W series.

Highlights

  • Active PFC improves power efficiency
  • Constant current limiting protects against overload
  • Remote sense maintains accurate 3.3V output
  • 100% burn-in test ensures reliability
  • 5-year warranty backs long-term use

Specifications

Chassis TypeDesktop

Questions about this item

Will this chassis accept my existing ATX motherboard and full-height expansion cards?

The chassis type is listed as Desktop, which typically fits standard ATX boards; however, the 1U low profile note on the HRP-300/450 series suggests limited vertical clearance for full-height cards.

How can I verify the power supply is delivering a stable 3.3 V output after installation?

The unit includes a built-in DC OK signal and remote sense function; monitor the DC OK pin or measure the 3.3 V rail at the load point to confirm regulation within spec.

What accessories ship with the unit and what must I source separately?

The package contains the server chassis with the integrated Mean Well HRPG-300-3.3 power supply; mounting rails, power cords and any additional drive cages are not included and must be purchased separately.

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