Motor-protective circuit-breaker, 1.5 kW, 2.5 – 4 A, Screw terminals Motor-protective circuit-breaker 1.5 kW 2.5 – 4 A Screw terminals PKZM0-4 Moeller is a reliable and durable motor-protective circuit breaker designed for industrial applications. This high-quality product from Moeller is perfect for protecting motors from overload and short circuit damage. You can purchase the PKZM0-4 Moeller at PLC2Day for all your industrial automation needs.