The Thorn Security MD300Ex is an intrinsically safe, explosion-proof manual call point designed for reliable fire alarm activation in hazardous environments. Engineered for use in areas where flammable liquids, vapours, gases, or combustible dusts are present, this device is ATEX certified for safety and performance. Its robust, weather-resistant construction (IP67 rated) ensures durability in harsh industrial, onshore, and offshore applications. The MD300Ex features a break-glass mechanism for straightforward activation and provides a clear visual indication when triggered, making it an essential component for life safety systems in critical locations.