The CARLO GAVAZZI PB22BIF0Y 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 to UL 508, IEC/EN 60947-5-1, and other relevant standards, this switch ensures reliable performance in demanding environments. It is typically ordered in parts (operator, holder, and contact block) and installed within an enclosure, making it suitable for controlling devices like motors and lamps.