This Schneider Electric Harmony XB5 key switch head is designed for 22mm mounting diameter and features a 2-position, latching mechanism with a 90-degree angle of throw. It is non-illuminated and utilizes a Ronis 455 keylock. The switch is rated for IP66, IP67, IP69, and IP69K, ensuring robust protection against dust and water ingress. It has a mechanical life of 1,000,000 cycles and operates within a temperature range of -40°C to +70°C. This product is part of Schneider Electric's Green Premium initiative, signifying its commitment to environmental responsibility. It is compatible with the ZB5 series and has the MPN ZB5AG4.