MELTRIC DECONTACTOR Male Inlet, Switch Rated, Series: DSN60, 255/277/440/480 V AC, 60 A, 20 hp, 60 Hz Frequency, 3 Pole, 4 Wires, NEMA 4X NEMA Rating, IP66/IP67/IP69K Enclosure, -40 to 140 deg F, Screw Terminal, Polyester, Blue, 3.07 in Dia x 2.8 in L Dimensions