The CARLO GAVAZZI PB22BIF0R is a robust and versatile flush round pushbutton switch designed for a wide range of 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 is typically ordered in parts (operator, holder, and contact block) and installed within an enclosure.