IRP3F422L0S is a sealed momentary pushbutton switch from APEM's IR series, featuring a 16 mm bushing diameter with a flat actuator and wire lead terminals for illuminated applications. The switch is sealed to IP67 rating, providing protection against dust and water ingress, and incorporates a round illuminated design with Normally Open (NO) electrical function using 2 terminals. It features tin-plated LED terminals with selectable LED colors (super red, yellow, green, blue, or white), tactile feedback, and gold-plated contacts for reliable operation. The switch is commonly used in industrial control panels, medical equipment, and consumer appliances where sealed, illuminated feedback is required, offering robust performance with wire lead connections rated for standard electrical loads.