Excellent working condition, very clean, with original tags. Eurotherm TC2020 2 Phase Compact Stack, 500V, 60A, 50-60 Hz for contractors. ACL 120V input, 2 phases of a 3 phase system. Includes a pair of Bussmann ceramic fuses 80 A - 660 V, Typower, 170L 4956, 1BK/50. Unit weighs 19 pounds and measures 5 1/4 X 15 1/2 X 10 inches.