Emacs MHG2-6300P 300W Industrial Computer Power Supply Unit

Industrial-grade 300W power for systems that must run continuously.

The Emacs MHG2-6300P is a 300W power supply for industrial computers, controllers and embedded systems. It accepts 100–240V AC input, includes integrated fan cooling and is built for continuous operation. It suits OEMs, system integrators and maintenance teams replacing the original Emacs unit in industrial equipment.

Why Industrial Systems Need Industrial Power Supplies

Industrial PCs often run for years in warm cabinets, near motors and drives that create electrical noise. Consumer power supplies are not designed for that environment and tend to fail early.

The MHG2-6300P comes from Emacs, a long-standing maker of industrial and server power supplies. It is the original part used in the equipment designed around it, so the replacement matches the mounting, connectors and electrical behavior of the factory unit.

Continuous-Duty Design

The supply is built for round-the-clock operation, with integrated fan cooling and protections against over-voltage, over-current and short circuits.

Direct OEM Replacement

Because it matches the original part number, the MHG2-6300P installs in the same position and connects to the existing harness. That avoids the requalification work a different supply would require.

Setup Instructions

How to Replace the Emacs MHG2-6300P

1. Shut down the industrial computer, unplug the AC cord and press the power button for a few seconds to drain residual power.
2. Open the side panel, photograph the cable routing, then disconnect the power cables from the motherboard, drives and any graphics card.
3. Remove the mounting screws or release latch, take out the old unit and install the replacement in the same position.
4. Reconnect every cable, close the case, plug in the AC cord and power on to confirm the system boots and the fan spins.