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DX³ MCBs - 10 to 50kA

Miniature Circuit Breakers

Choose from a comprehensive range of MCBs for installations requiring up to 50kA breaking capacity.

  • 1, 2, 3, 4 pole options
  • 1 A to 125 A ratings
  • Colour marking on toggle enables you to immediately identify status
  • Label holder enables you to easily identify circuits
  • Up to 50 kA breaking capacity in a compact DIN frame
  • Wide range of quick-connect auxiliaries for signalling and control available

Download the Power Protection catalogue to view the full range complete with specification detail.


  • Legrand - MCCBs – DPX³ Overview
  • Legrand - Installation Guide - DX3 Commercial Circuit Protection - Remote Control & Stop-n-GO Automatic Resetting Device
  • Legrand - Installation Guide - DX3 HP-Auxiliary Contact Accessory