As a node device, the electrical fire monitoring detector monitors residual current and temperature, and uploads alarm information to the electrical fire monitoring equipment. When used together with electrical fire monitoring equipment, it can effectively ensure power utilization safety and prevent electrical fires.The electrical fire monitoring detector supports sensor fault diagnosis, featuring high alarm accuracy and strong reliability. Compact and easy to install, it is widely used in unit power supply systems of hazardous locations, high-rise buildings, public venues and residential buildings.