Eaton faz series miniature circuit breakers c type 3 pole eaton 278879 this 3 pole c type miniature circuit breaker from the eaton faz series is ideal for use where operational current peaks and other surges occur that must not lead to tripping it is particularly suitable for use with switchgear in industrial and advanced commercial operations eaton 278879 faz c633 miniature circuit breaker 63a c type tp 15ka