Motor-protective circuit-breaker according to IEC/EN60947, 3 pole size PKZM0, with adjustable overload and non-delayed short-circuit releae, phase failure sensitive, screw and snap fitting, with screw terminal, cap installation dimension 45mm, rated operating voltage Ue 690V, degree of pretection IP20, finger proof according to VDE 0106 T. 100, accessories: auviliary contact, voltage release, contact module, clip plate