The ” Diameter switch designed for commercial applications needing 20 positions per pole. It was designed to MIL-SPEC 3786 SR11. It offers up to 20 positions per pole and capability of adding multiple decks for limitless configurations. It has Index Angle of 18˚ and 36˚ standard. Current and Voltage Rating: Make and break resistive load 1 amp @ 28 VDC; 0.5 amps @ 115 VAC. Optional features include: Dual Concentric Designs, Rear PC Mount terminals, and Water Resistant Seals.