| Description de l'article | Circuit breaker for power transformer, generator and system protection / transformer-protective circuit-breaker, 3P, IR=4-6.3A, screw connection / transformer circuit-breaker according to IEC/EN60947, 3 pole size PKZM0, with adjustable overload and non-delayed short-circuit release, phase failure sensitive, screw and snap fitting, with screw terminal, cap installation dimension 45MM, rated operating voltage ue 690V, degree of protection IP20, finger proof according to VDE 0106 t. 100, accessories: Auxiliary contact, voltage release |