IEC 60335-2-97 Ed. 2.0 b:2002

Deals with the safety of electric drives for rolling equipment such as shutters, blinds, and awnings, intended for household and similar purposes, their rated voltage being not more than 250 V for single-phase and 480 V for other appliances. Examples of rolling equipment that can be driven are awnings; blinds; grilles; projection screens; shutters for doors and windows. Drives for equipment with a spring-controlled driven part, such as a folding arm awning, are also within the scope of this standard.