RCBO, KZS-4M 3p+N A B25/0.03, No. Of poles 3+N, Catalogue Group KZS-4M 3p+N Residual current circuit breakers with overcurrent protection, 4 modules, A and AC type, Current type Type A, Fault type signalisation no, Function RCBO, Rated current (A) 25, Rated residual current (A) 0,03, Short circuit capacity (kA) 6, Tripping characteristic B