This thesis presents electromagnetic compatibility of residual current circuit breaker (RCCB) by testing according to harmonised standard EN 61008-1. There is a short presentation of of residual current circuit breakers, basic operating principles and their constructions. This knowledge is important for understanding how immunity could influent on it and evaluation of given performance criteria. General requirements of electromagnetic compatibility are described. Then follows the emission part with described testes. In the second part immunity tests with described test levels and performance criteria are presented. Performance criteria are detailed described and compered to general performance criteria.
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