Motor-protective circuit-breaker, 0.12 kW, 0.4 – 0.63 A, Screw terminals. Motor-protective circuit-breaker 0.12 kW 0.4 – 0.63 A Screw terminals PKZM0-0.63 Moeller is a reliable and high-quality industrial circuit breaker suitable for various industrial applications. This item can be purchased at PLC2Day, your go-to online store for all your industrial automation needs.