TW Series Non-Illuminated Selector Switch, 600 V, 10 AMP, 2 Steps, Contact Configuration: 1 NO, Connection: Screw Terminal, Actuator: Knob, Black, Metal Round Bezel, Enclosure: IP65 Watertight/Oiltight Panel Seal; NEMA 1, 2, 3, 3R, 3S, 4, 4X, 5, 12, 13, 22 MM Diameter Hole Mounting, Operating Cycles: Mechanical: 500000 Operations, Operating Temperature: -25 To 50 DEG C (Without Freezing), Environmental Conditions: Storage Temperature: -40 To 80 DEG C; Vibration Resistance: 5 - 55 HZ, 100 M/S2 (10G) Conforming To IEC6068-2-6; Shock Resistance: 1000 M/S2 (100G) Conforming To IEC6068-2-7, 1.91 IN Depth Behind Panel, C/US UL File Number E68961, CSA File Number LR21451, CE Certified, TUV Listed