MELTRIC DECONTACTOR Female Receptacle, Switch Rated, Series: DSN20, 110/125/220/250 V AC, 20 A, 60 Hz Frequency, 3 Pole, 4 Wires, NEMA 4X NEMA Rating, IP66/IP67/IP69K Enclosure, -40 to 140 deg F, Screw Terminal, Polyester, Blue, 2.24 in Dia x 3.05 in L Dimensions