3-Phase Monitor Relay, Air Compressors;Hvac Equipment;Protect Motors;Pumps Application, DPDT Contact Configuration, 100000 Operations At Rated Load Electrical Life, 60 HZ Frequency Rating, Made In Usa, +131 °F Maximum Operating Temperature, -20 °F Minimum Operating Temperature, Surface Mount, 3 - Phases, 3.5 In Overall Height, 4.5 In Overall Length, 4.8 In Overall Width, 2.5 W Power Rating, Csa Certified;Ru Recognized;Ul Listed, 12 Oz Weight