IR2 flame detector (dual infrared). Operating band 0.75...2.7µm. Outputs: 4/20mA proportional output, alarm relay, and fault relay. High immunity to light interference. High tolerance to the presence of smoke, vapors, or dust. Programmable response time and sensitivity. Self-test diagnostic function. Signal output via volt-free changeover relay. Power supply 14V...30V DC. Max. current draw 28mA. Operating temperature -10°C...+55°C. IP66 protection rating. Die-cast aluminum housing. Red color. Dimensions (L x H x D) 146 x 150 x 137mm. Approved: SIL2, ATEX, and EN 54-10 Class 1. Approval certificate: 0832-CPR-F0577.