The 41SCI000 addressed siren with flashing light and built-in isolator, is powered from the loop and is controlled by the control panel by means of the communication protocol. The standard base is required for the mounting of 41RBX020 addressed detectors. Siren also suitable for outdoor installations when used with IP65-rated base Art. 41BSE000. The siren is also fitted with a built-in isolator. Approved to EN54-3, EN 54-17, EN 54-23.