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 high-quality industrial motor starter designed for various industrial applications. This reliable product from Moeller can be purchased at PLC2Day, a trusted supplier of automation products.