The switch consists of a white cover plate with green text which is complete with a steel grid plate which also holds the 10A rated retractive switch. The switch can be held in either the open or close position to operate windows or doors for daily ventilation.
Under the Construction Products Regulations (CPR) it is a legal requirement to use only certified products for smoke ventilation. It is the responsibility of the installer to ensure installations meet the relevant standards. For more information see SCS Group’s Technical Bulletin.