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Befaco Trolley Bus

ON/OFF is a power switch breakout module for the Trolley Bus power system.

Trolley Bus is an integral 110 Wats power solution, that is ready to feed the hungryest modules.

The full system is composed by:

-Power Bus: with 5A on +12V, 2,5A on -12V and 4A on +5V distributed on 28 Slots. Top and bottom connector row are inedependent. Quiet modules can be isolated from noisy modules.
-ON/OFF 3U Breakout, with heavy dutty illuminated push button, two USB Chargers and panel mounted 2.5mm DC jack IN.
-Elegant and ultraslim AC adapter. Universal IN 100 to 240v, 135w OUT

The Trolley Bus system is Plug and Play, and tools are not required for installation.
Provided adhesive standoffs allow you to Install it on unpowered cases without drilling any holes.


  • 25 mm height over regulators grid and 15 mm height on the rest of the bus
  • Horizontal connectors to maximize space
  • 2,5mm barrel power connector
  • On/Off 4HP module
  • 2 USB-A charging ports
  • Power brick: 135W 2.5mm Barrel connector center positive (included)
  • Current: +12V: 5A, -12V: 2,5A, 5V: 4A
  • Measurements: 423 mm x 80mm
  • Designed, kits prepared and completed modules assembled in Barcelona
Tags: Befaco , Trolley , Bus