This three-phase monitoring relay is designed to monitor all phase parameters, including over/undervoltage, phase unbalance, phase failure, and interrupted neutral. It has a measuring range of 180-280 VAC (L-N) and operates with a rated control supply voltage of 180-280 VAC. The relay is equipped with either 2 x 1 CO or 1 x 2 CO output options. Additionally, it features push-in terminals for easy installation.