Eaton PKZM0-0.25 3 Pole motor-protective circuit-breaker with thermomagnetic switch off technique and screw connection. The 072731 circuit-breaker provides finger and back-of-hand proof protection against direct contact. It is suitable for branch circuit, manual type E if used with terminal, or suitable for group installations. It facilitates safe engineering. The motor-protective circuit-breaker is matched to the contactor series DIL and thus ideal for the configuration of motor-starter combinations. Regardless of whether it is an integrated auxiliary contact, trip-indicating auxiliary contact, voltage release or door coupling rotary handle, the accessories can be used for both the PKZM0 and the PKZM4.