Manufactured from polycarbonate for impact protection and is only for use only with Masterseal Plus™ switch enclosures. This switch module is dust-tight to any ingress and water-tight against high-pressure water jets from any direction. It has been tested to levels well in excess of British Standards. This switch module features protection against any particles of dust and powerful water jets, rear drill holes for easier installation, fixed gasket speeds installation and removes risk of error when placing a floating gasket, gel seal durable water and dust tight seal for improved protection and improved catch eases opening and closing. This switch does not have to be derated when used with fluorescent or inductive loads.