Miniature circuit breakers (MCB) protect electrical systems against overload and short circuits. With tripping characteristics A, B, C or D, they cover all application areas in industry, and residential or nonresidential buildings. The special design of the terminals of Siemens devices also guarantees highly effective touch protection.
Siemens offers a complete range* of miniature circuit breakers from 0.3 to 125 A in all required characteristics A, B, C, and D to cover every application.
Miniature circuit breakers from Siemens can be used in any desired combination with all kinds of different additional components, for example with auxiliary switches, fault signal contacts, shunt trips, undervoltage releases, remote controlled mechanisms or with RC units for combined personnel and fire protection. These additional components are standard for all Siemens miniature circuit breakers and can be retrofitted whenever required.
The new range of modular circuit breakers provides
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