Manual call point with break glass for use in harsh environmental conditions. Approved for use in hazardous areas zone 0, 1 or 2. The cll point must be connected to the approved EX barrier BZ-500. The high IP degree and mechanical strength of the enclosure makes the call point suitable for outdoor applications in industrial, maritime and offshore installations. The call point must be installed according to local regulations which normally means along escape routes, landings and exits. The SelfVerify function ensures the highest grade of reliability and the lowest degree of manual testing, because all units comprising this function are automatically self-tested once every 24 hours.