The OMRON A165K-T3AC is a robust keylock selector switch designed for industrial automation applications. This non-illuminated, 16mm diameter switch features a cylindrical body with three maintained positions and a central key release, ensuring secure operation. With an IP65 rating, it offers excellent protection against dust and water ingress, making it ideal for harsh environments. The A165K series is known for its reliability and ease of integration into control panels, enhancing safety and functionality in automated systems.