This Easy Harmony XB2 metal body/ fixing collar is pre-mounted with 2 NC contact blocks. Simply adding a head to this assembly will provide you with a complete ready-to-use push button. It is easily installed with compatible push button and selector switch heads. It protects operators from unexpected contact with live circuits thanks to its IP20 protection index. It is rated for 3 million mechanical cycles and 1 million electrical cycles, ensuring less maintenance and downtime in your installation. Its wide range of operating temperatures from -40°C to 70°C allows versatility in usage of product.