AH164-J2A11A is a key-operated 2-position selector switch designed for industrial control applications. It features a rectangular bezel with maintained operation and 1NO+1NC (one normally open, one normally closed) contact arrangement, providing reliable switching for machine tools, control panels, and instrumentation systems. The switch operates with a 90-degree key rotation and is rated for 250V AC/DC insulation voltage with mechanical durability of 250,000 operations for selector switches. It is housed in a compact 42.5 mm × 18.5 mm × 24 mm form factor and accommodates panel thicknesses up to 4 mm maximum. The AH164-J2A11A meets international standards including UL508, CSA C22.2 No.14, and TÜV EN60947-5-1, ensuring compliance with safety and performance requirements for industrial control environments.