This 22mm B series metal push button switch features a large aperture flat design and a durable metal housing. It is a momentary type with 1NO1NC contacts, ideal for control panels, industrial equipment, and electrical systems requiring reliable switching. The built-in LED power logo ring provides clear visual indication and adds a modern touch. Designed to fit standard panel cutouts with a diameter of 27.8mm, it offers both functionality and style. Suitable for a wide range of automation and power control applications.