thermal circuit breaker / magnetic / overcurrent / short-circuit
BZM series



  • Type:

    thermal, magnetic

  • Electrical characteristics:

    short-circuit, overcurrent

  • Other characteristics:

    molded case

  • Applications:


  • Current:

    Max.: 400 A

    Min.: 16 A

  • VAC:

    Max.: 440 V

    Min.: 400 V


The BZM circuit breakers series is especially designed for low voltage applications in power distribution systems, which have basic technical and economic feature requirements.

The advantage of the BZM series is its simple use: The thermal and magnetic release system for over-current and short-circuit protection of your system is already factory set. Along with simple handling of the product and its accessories, Eaton’s BZM offering provides an attractive product assortment.

The BZM1 for up to 125 A, the BZM2 for up to 250 A and the BZM3 for up to 400 A are among the slimmest in their class, thus providing the most efficient use of space.

Unbeatable when it comes to saving space, regardless of whether they are used for energy sub-distribution or as a protection for incoming power in residential or functional buildings
Easy to handle
Preset thermal and magnetic tripping values, cable lug and box terminal, with multiple mounting options
Reliable protection against short circuits and overload, designed for the 16 to 400 A range in sub-distribution
Fully compliant with the IEC/EN 60947-2 standards and pollution degree III (IEC/EN 60947)

Other Eaton products

Circuit Protection