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.