Siemens Vacu-Break® Panelboard Disconnect Switch, Type VB Fused Single Unit, 240 VAC, 400 A, 50 hp, 3 Phase, 60 Hz, 3 Poles, 200 kA Short Circuit, TPST, Handle Actuator, Fiber Insulation, NEMA 1, Panel Mount, Screw Terminal, -20 to 120 deg F, 15 in H x 17 in W x 10-1/2 in D