This three-phase monitoring relay is designed to monitor all phase parameters, including over/undervoltage, phase unbalance, and phase failure. It has a measuring range of 530 to 820 VAC (L-L) and operates with a rated control supply voltage within the same range. The relay offers either 2 x 1 CO or 1 x 2 CO output options. Additionally, it features double-chamber cage connection terminals for secure connections.