This Acti9 iATL4 is reliable step by step control auxiliary.Is operates with 230VAC control voltage.Mounting is performed between 2 iTL impulse relay with yellow clips.The degree of protection is IP20 and IP40 in an enclosure. It is DIN rail mountable.It is associated with iTL impulse relays to allow step by step control of two circuits through a single push button.This product is compliant with EN/IEC 60669-2-2.