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48v Switching Power Supply

Wiring, high voltage, and electricity can be dangerous. Read this first!

The voltages and electricity discussed here can be dangerous and could cause property loss or death. It is your responsibility to ensure you are comfortable doing the things discussed here. Furthermore your local jurisdiction may have regulations or rules which differ from what we discuss here, including wiring colors, standards, techniques, etc. Seek professional guidance from someone local to you if you are unsure of anything you're doing here. Also there could be errors, omissions, or typos here. Use this content at your own risk.

FAST Pinball resells the Mean Well RSP-500-48 switching power supply which can supply the “high voltage” power for your pinball machine. We recommend this power supply for any modern pinball machine, including those with both FAST Neuron and FAST Nano controllers.

See our guide Choosing a pinball machine power supply for details and reasons we selected this one.

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  • 48 volts @ 10.5 amps
  • Size (L x W x H) (inches): 9 x 5 x 1.6
  • Universal AC input (85-264VAC @ 47-63Hz)
  • Inrush current: 20A/115VAC 40A/230VAC
  • Over current Protection: Constant current limiting, recovers automatically after fault condition is removed
  • Over temperature protection: Shut down o/p voltage, recovers automatically after temperature goes down
  • Cooling: Forced air from built-in DC fan
  • Certifications: UL/CUL/TUV/CE/CB/PFC

Download a PDF of the full spec sheet from Mean Well. (This is the RSP-500-48 model.)

Wiring Diagram

We have a complete guide to wiring your pinball machine, including this power supply, as part of our wiring docs at

Connector Pinouts

Terminal Screw Terminal Connections (Left to Right)
V+ 48v Output OUTPUT
V+ 48v Output OUTPUT
V+ 48v Output OUTPUT
V- Ground OUTPUT
V- Ground OUTPUT
V- Ground OUTPUT
triangle diagram Earth Ground INPUT
N Neutral INPUT

Documentation Feedback? Requests? Confused?

Hi! I'm Brian, and I'm responsible for the documentation at FAST Pinball. If you have any feedback, requests, corrections, ideas, or any other thoughts about this documentation, please let me know! You can email me at Thanks!

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