The AH165-P2B11 is a 2-position maintained selector switch featuring a knob with rectangular bezel operator and key-removable design. This compact 16 mm diameter switch provides 1NO+1NC (one normally open, one normally closed) contact configuration with a 90-degree rotation between positions. The switch is designed for panel mounting with a maximum panel thickness of 4 mm and utilizes washer and nut fastening. It is part of the AH165 series, which offers highly reliable snap-action mechanisms suitable for solid-state and electronic circuits despite its small size. The AH165-P2B11 is commonly used in industrial control panels, machinery automation, and process control systems where space-efficient, durable switching solutions are required.