The STRUTHERS-DUNN M35AA-120VAC is a mercury displacement relay engineered for robust performance in industrial environments. It excels at switching resistive, tungsten, and motor loads, offering high inrush capacity and suitability for DC applications. The relay's hermetically sealed construction ensures extended operational life and provides user protection from arcing and other hazards associated with switching heavy loads. It is available in various configurations, including 1, 2, and 3-pole options, and offers a range of coil voltage ratings to meet diverse application requirements. The MDR provides protection to the user from arcing and other hazards of switching heavy loads with exposed contacts.