This document specifies the requirements for pyrotechnic obscuration security devices as a part of an I&HAS. It covers application and performance and also specifies the necessary tests and trials to ensure efficiency and reliability of such obscuration devices. This European Standard is not intended to cover standalone or vehicular security pyrotechnic obscuration security device. This European Standard also gives guidelines on the criteria for design, installation, operation and maintenance of security pyrotechnic obscuration security device.