Used to interlock 2 DILM contactors to ensure only one contactor is operated at any one time. 493-0731 for Contactor DILM7 to DILM12. 493-0747 for Contactor DILM17 to DILM32, Typ akcesorium = Blokada, Do użytku z = Seria DILA, seria DILM7–DILM15, seria DI