Minature Circuit Breakers

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Designed for optimum protection against overload and short circuits, IMO’s range of Mini Circuit Breakers (MCBs) help bridge the gap in electrical installations.  IMO MCBs are available in 1P, 1P+N, 2P, 3P and 3P+N, with current range from 1A to 63A. These MCBs also ensure breaker tripping safety with 10kA short circuit breaking capacity.

All IMO MCBs are RoHS 2 compliant and a number carry the following approvals: CE; VDE; Kema Keur; GOST; RCM. Available accessories include: auxiliary switches, Shunt Trip, busbars and locking devices.

Key Features

  • Handle central-tripping function for circuit fault indicating
  • High short circuit capacity
  • Applicable to terminal and pin/Fork type busbar connection
  • Handle padlock device
  • Finger protected connection terminals


Rated voltage: 230V/400V AC, Max. 60VDC

Rated insulation voltage Ui: 500V

In accordance with: EN60898, EN60947-2, UNE20317

Terminal capacity: 1 to 25mm2 up to 25A
25 to 35mm2 up to 63A

Breaking capacity as per IEC60898: 6kA B curve 1 pole,
10kA C & D curve 1-3 poles

Breaking capacity applying IEC60947-2: up to 15kA

Mounting: on Rail EN60715 (EN50022)

Protection degree: IP20

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