Modular miniature circuit breakers are universal devices for all types of applications meeting the high requirements of standards for domestic use in the rated current range from 1 to 63 A. They can be combined with a wide range of accessories, including auxiliary contacts, fault signal contacts, shunt trip releases, undervoltage and overvoltage releases, or residual current add-on blocks. Diverse combinations of accessories are possible. These combinations are limited only by the total number, not the type of accessories – all components fit together. Up to three units of auxiliary contacts or fault signal contacts and up to two release units can be mounted.
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