... Fire Detector can omnidirectionally monitor various abnormity or fault, such as leakage current, overcurrent, overvoltage, overhigh temperature, etc. This system can sound alarm ... of electric system and early warning of fire. LDF-225/A independent type detector can be in stead of quondam circuit ... , if the current of major loop is 100A, optional detector type is LDF-225/A-100A. Electrical Fire Detector