This Harmony RXZ diode has a rated voltage of 6V to 230V DC.::It has a light weight and it is compatible with RSZ socket 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.