The ABB 1SVR750669R9400 CM-IVN.S coupling unit is a robust monitor relay designed for efficient operation within nominal distribution systems ranging from 0-690VAC to 0-1000VDC. This unit features screw terminals for secure connections and does not require a control supply, simplifying installation and maintenance. Ideal for various industrial applications, this coupling unit ensures reliable performance and durability. With a net and gross weight of 7.6657 ounces, it is both lightweight and compact, making it easy to integrate into existing setups.