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Open-frame 300W 24V power supply on green PCB

Mean Well

Mean Well EPP-300-24 300W 24V 12.5A power supply

SKU CH-G7W2-JW4PV

An open-frame AC-DC unit delivering 300W at 24V and 12.5A for industrial systems

  • Product typeAT
  • High efficiency design reduces energy waste
  • 300 W output powers demanding equipment
  • 24 V 12.5 A delivers stable voltage
  • Compact open-frame fits tight enclosures
  • New condition ensures reliable operation

Industrial AC-DC power supply

The Mean Well EPP-300-24 is a 300W 24V 12.5A switching power supply built on an open-frame PCB. It converts mains voltage into a stable 24 V direct current output for industrial equipment, automation systems and embedded projects. The unit is supplied new and ready for integration into custom enclosures or machinery. Its compact board format suits installations where space is limited.

Suits engineers needing 24 V DC at up to 12.5 A

This supply fits test benches, LED lighting arrays, CNC controllers and similar 24 V loads that draw up to 300 W. It is not suitable for builds that require ATX connectors, modular cabling or a sealed metal chassis for direct desktop installation. Buyers who need multiple output rails or battery-backup functionality should look at a different product class.

Fixed 24 V output at 12.5 A continuous

The single regulated rail delivers 24 volts at a maximum of 12.5 amps, giving a 300 watt power ceiling. Verify that every connected device operates at exactly 24 V and that the combined current draw stays within 12.5 A before committing to this unit.

How it compares

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

Price $101.99
Cheaper than about 67% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeAT

Questions about this item

How is the Mean Well EPP-300-24 installed and what step is often missed?

Mount the open-frame unit securely using the PCB mounting holes, then connect AC input and 24 V DC output wiring; the step often missed is verifying correct polarity on the output terminals before powering on.

What maintenance or replacement will the EPP-300-24 need later?

The internal electrolytic capacitors will age over time; plan to replace the unit or have it serviced when output ripple increases or hold-up time drops below specification.

What limit appears first when the EPP-300-24 runs at full load continuously?

The 300 W / 12.5 A output rating is the first limit; sustained operation at that level will trigger over-temperature or over-current protection and shut the supply down.

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