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Miniature circuit breakers (MCBs)

Uncompromising safety and comfort

Miniature Circuit Breakers (MCBs) ensure electrical safety in homes, offices and other buildings as well as for industrial applications by protecting electrical installations against overloads and short-circuits. Once a fault is detected, the MCB automatically switches off the electrical circuit to prevent damage to wires and to avoid the risk of fire. MCBs are equipped with two tripping mechanisms: the delayed thermal tripping mechanism for overload protection and the magnetic tripping mechanism for short circuit protection.

For 100 years, we have continued to innovate MCBs and expand our product line to meet the demands of various applications and markets. Our products are compliant with global product standards such as IEC, UL and CSA. This established and certified portfolio is designed to provide maximum safety for buildings, assets and infrastructure.

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  • Compliant to worldwide product standards (IEC, UL, CSA)
  • Characteristics: B, C, D, K, Z
  • Configurations: 1P, 1P+N, 2P, 3P, 3P+N, 4P
  • Breaking capacities up to 25 kA
  • Rated currents up to 100 A

Highlights

Wide range

Extra-wide and complete range of MCBs to cover most applications and markets

Certified quality

Compliance to worldwide product standards (IEC, UL, CSA)

Compact

Space and time saving thanks to the unique bottom-fixing auxiliary contact

Product ranges




IEC certified MCBs


UL certified MCBs


MCBs for special applications


Accessories

Applications

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Documentation

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