The OP-AR20 is an enclosed rotary switch designed for reliable electrical control. It features a single-pole double-throw (SPDT) contact arrangement rated for 15 A at 125, 250, or 480 VAC, and also supports DC loads up to 1/2 A at 125 VDC. The switch actuates with an operating torque of 12.5-3L25 oz. in. and has a maximum pretravel of 8 degrees. Its sealed construction provides splash resistance, and the corrosion-resistant steel shaft ensures durability. These features make it suitable for industrial equipment and control systems requiring a robust, environmentally-resistant position switch.