The MARS MRSN SPD 3PH 208/120V Y is a crucial surge protective device for three-phase electrical systems. Operating at 208/120V, it provides effective protection against transient voltage spikes, ensuring the safety of your electrical equipment. Constructed with high-quality materials, this device meets ANSI/UL compliance, making it suitable for various applications. Its compact design allows for easy installation in electrical panels, and it offers multiple connection interfaces for versatility. Enhance the reliability of your electrical systems with this dependable surge protector to prevent costly damage.