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Dr. Michael Heidinger
Dr. Michael Heidinger
CEO, Digital Power Systems

Ready to take on an exciting DIY project? This guide walks you through setting up a Raspberry Pi power supply inside a control cabinet. Whether you are a tech enthusiast or just starting out, our step-by-step instructions will help you create something functional and impressive.

Materials Required

Step 1: Install the Cable in the Project Box

Step 1: Installing the cable in the project box
Step 1: Route the power cable into the control cabinet box.
  1. Install the power cable into the control cabinet box.
  2. Use a cable gland for strain relief.
  3. Use crimp terminals with stranded wire for reliable connections.

Step 2: Connect the Power Supply Cables

Step 2: Connecting the power supply cables
Step 2: Connect the cables to the three-pin pluggable terminal.
  1. Connect the wires to the three-pin pluggable system terminal. This terminal can be unplugged for simplified installation.
  2. Use a small flat-head screwdriver to loosen the terminal clamps.
  3. The optional ground connector goes to the middle pin.
  4. Mount the power supply onto the DIN rail and reconnect the terminal.

Step 3: Mount the Raspberry Pi to the DIN Rail

Step 3: Raspberry Pi mounted on DIN rail
Step 3: The Raspberry Pi mounted on a DIN rail with USB-C power connection.
  1. Mount the Raspberry Pi using DIN rail mounts (3D-printed or professional).
  2. Use a USB-C cable to connect the power supply to the Raspberry Pi.
  3. Close the cabinet lid.
💡 Power supply capability: The USB-AC-PD power supply provides 5 V at 3 A. The Raspberry Pi 5 may display a power warning when the maximum USB load is limited - in a control cabinet environment, this warning can be safely ignored.