Siemens Safety Switch, Type VBII Enclosed Heavy Duty Low Voltage Non-Fusible Single Throw, 600 V AC, 100 A, 100 hp, 3 ph, 60 Hz Frequency, 3 Pole, 3 Wires, 200 kA Short Circuit, 3PST Contact Form, Non-Insulated Insulation, NEMA 1 Enclosure, Surface Mounting, Lug Terminal, -29 to 85 deg C, 21.95 in H x 10.68 in W x 10.17 in D Dimensions, Steel