The Struthers-Dunn MRR1ADS-12D is a relay that is designed for the control of AC loads up to 20 Amps. It is specifically designed for commercial and industrial applications, with a 24 Volt DC coil, and a sensitive 300 Milliamp normally closed DPDT relay contact. The relay is rated for 24 Volt DC operation, has an LED indicator for power and coil status, and comes with a removable frame for easy mounting. The relay offers a wide range of features, such as protection against transient surges, overload protection, current drop out protection, and is designed to work in temperatures up to 85°C. The device is also RoHS compliant and UL recognized.