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Enclosed metal power supply unit with built-in fan and terminal block outputs

myVolts

myVolts RSP-500-5 500W Power Supply

SKU CH-3D5K-P5VMJ

An enclosed 500 W AC/DC supply with active PFC, remote on-off, sense and DC-OK signals, and forced-air cooling for industrial automation, test gear and laser systems

  • Product typeAT
  • 500 W single-output AC/DC supply for industrial equipment
  • Up to 90.5 % efficiency reduces energy waste and heat
  • Active PFC function improves power factor across 85-264 Vac input
  • Built-in DC fan with speed control operates up to 70 °C
  • Remote on-off, remote sense and DC OK signal add design flexibility

Industrial 500 W Enclosed Supply

The myVolts RSP-500-5 is a 500 W single-output enclosed AC/DC power supply built for factory automation, test instruments, laser equipment and burn-in facilities. It delivers a fixed 5 V output at up to 90 A. The unit accepts a universal 85-264 VAC input and includes active power-factor correction.

Verify Voltage, Current and Cooling Space

Confirm that your system requires exactly 5 V DC and can draw up to 90 A continuously. Ensure the enclosure has clearance for forced-air cooling from the built-in DC fan and that the ambient temperature will not exceed 70 °C. Check that your wiring and connectors are rated for the high current this model supplies.

Steady Output at Full Load

Efficiency reaches 90.5 % at 500 W, so waste heat stays manageable during continuous operation. The fan speed adjusts automatically to maintain safe internal temperatures. Protections for short circuit, overload, over-voltage and over-temperature engage without shutting down the supply unless a fault persists, keeping production lines running.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $202.99
Pricier than about 63% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeAT

Questions about this item

Does the RSP-500-5 come with mounting hardware or cables, or must they be purchased separately?

The unit is an enclosed AC/DC supply with a built-in DC fan and screw terminals for input and output; mounting brackets and wiring are not included and must be sourced separately.

The series lists several output voltages — why choose the 5 V model over the 12 V, 24 V or 48 V versions?

The 5 V model delivers 90 A for low-voltage, high-current loads such as factory automation, test instruments or laser systems, while the higher-voltage models provide lower current for different applications.

What does the 500 W rating mean when the supply is installed in a cabinet running at 50 °C ambient?

At up to 70 °C ambient the fan-cooled unit can still deliver the full 500 W, so at 50 °C it operates well within its thermal limit with no derating required.

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