This Harmony RXZ RC circuit has a rated voltage of 110V to 240V AC. It is compatible with RSZ sockets with 1 and 2 changeover contacts. This protection module enables safety to your relay which helps to protect both people and system from electrical shock. Simple modular design facilitates post installation servicing, modification and adaption of machines by non-specialists. It can be matched with any relay socket from RSZ range. 0 0 0 0 0 0 0 0 0 0 0 0 0 0