... 5. LERDN Fire Detector It can omnidirectionally monitor various abnormity or fault, such as leakage current, overcurrent, overvoltage, overhigh temperature, etc. This ... and early warning of fire. LDF-225/A independent type detector can be in stead of quondam circuit breaker.Optional CurrentFor ... example, if the current of major loop is 100A, optional detector type is LDF-225/A-100A. Fire ...