This Harmony RUM diode has a control coil voltage of 6V to 250V DC. This protection module enables safety to your relay which helps to protect both people and system from electrical shock. Its 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 0