Can be operated automaticly or manually to alarm or control. Connected with smoke probe, temperature probe, other mechanical device(such as: window operator, lock etc.) to carry out completed system control. Widely applied in fire-proof site such as shop, hotel, warehouse and workshop etc. Model:IDH-1100E/IDH-24SD Temperature range:-10°C～+50°C Outputs: DC24V/2A--AC220V/1A Fixing current: 300mA±10% Tensile and thrust force:≥20kg Power: AL380V/220V±10% 50Hz