3-Phase Monitor Relay, SPDT 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, 3 - Phases, 8 - Pins, 3.8 In Overall Height, 1.95 In Overall Length, 1.95 In Overall Width, 3.7 W Power Rating, Csa Certified;Ru Recognized;Ul Listed, 5 Oz Weight