Miniature circuit breakers for all applications

Miniature circuit breakers protect electrical systems against overload and short circuits. With tripping characteristics A, B, C and D, all fields of application in industry, residential and non-residential buildings are covered. The special design of the terminals in Siemens devices also ensures highly-effective touch protection.

A comprehensive portfolio

Siemens offers a complete range of miniature circuit breakers from 0.3 to 125 A in all required A, B, C and D characteristics. This means that all applications are covered.

Maximum conductor protection

With miniature circuit breakers from Siemens, you can expect the highest quality and reliability. The excellent technical properties of the devices mean you are always on the safe side. Apart from that you benefit from the innovative mounting options which enable quick and easy installation

Wide range of additional components and accessories

The miniature circuit breakers from Siemens can be combined as required with a wide range of supplementary components e.g. control current switches, fault signal contacts, shunt releases, undervoltage releases, remote operating mechanisms or with RCCB units to provide protection for persons and against fire.

Overview of miniature circuit breakers

Open brochure : https://www.lowvoltage.siemens.com/infocenter/doc/04_ds_MiniatureCircuitBreakersOverview_EN_3166.pdf