The C&K COMPONENTS A421122A1NZRQ is a versatile 4-pole tumbler switchlock engineered for secure and reliable switching applications. It offers multi-pole and multi-position functionality, allowing for flexible control in complex systems. Available with shorting or non-shorting contacts, this switchlock caters to diverse circuit requirements. Its robust zinc alloy lock and glass-filled nylon housing ensure durability and longevity. Typical applications include security alarm systems, medical equipment, and computer servers, where reliable switching and key-controlled access are essential. The switchlock's design incorporates features like anti-static protection and various mounting options to suit different installation needs.