The 12C120 is a type of Amperite relay. It is a2 Form C (DPDT) 24 VDC Electromechanical relay with a nominal coil voltage of 12 VDC, a 20.6 Watts Coil power, and an operating temperature range of -535 °F to +185 °F. The Relay has silver contacts and is designed for high coil voltage, high contact ratings, small size, and a low coil power. It has a dielectric strength of 500 VAC between open or closed contacts, 1,000 VDC between open contacts and is designed to meet the requirements of UL, Canadian, and European safety approvals.