Siemens Vacu-Break® Disconnect Switch, Type VB Fused, 600 VAC/250 VDC, 800 A, 250/500 hp, 3 Phase, 60 Hz, 3 Poles, 200 kA Short Circuit, TPST, Padlocking Handle Actuator, Insulated Insulation, NEMA 1, Panel Mount, Screw Terminal, -20 to 120 deg F, 25 in H x 21 in W x 12-3/4 in D