Square D TeSys GS Disconnect Switch, Fusible, 600 VAC, 30 A, 20 hp, 3 ph, 50/60 Hz Frequency, 3 Pole, 1 Wires, 100 kA Short Circuit, 3NO 3 Form A Contact Form, IP20 Enclosure, DIN Rail/Surface Mounting, Lug Ring Terminal, -4 to 158 deg F, 4.57 in H x 4.13 in W x 3.9 in D Dimensions