The CARLO GAVAZZI PB22SIF1R is a robust and versatile flush round pushbutton switch designed for industrial applications. Available in standard and bezel styles, it offers self-hold or spring return action and a choice of button colors. The illuminated version utilizes an LED for clear indication. Certified with cULus and CE, and compliant with IEC/EN 60947-5-1, UL 508, IEC/EN 60073, and IEC/EN 60529, this switch ensures reliable performance in demanding environments. It's ideal for controlling devices like lamps and motors, and is typically used in enclosures with modular mounting options.