Motor protection circuit breaker to IEC/EN60947, 3-pin, size PKZM01, with adjustable surge and instantaneous short-circuit trigger, phase-failure-sensitive, screw and snap-on mounting, cap installation dimension of 45 mm, rated operating voltage Ue 690 V, IP20 degree of protection, finger-proof in accordance with VDE 0106 T. 100, available accessories: auxiliary switches, voltage trip units