... . Independent Type 4. ISO9001/14001/CE/ROHS 5. LERDN Electrical Fire Monitor It can omnidirectionally monitor various abnormity or fault, such ... leakage current, overcurrent, overvoltage, overhigh temperature, etc. This system can sound alarm or cut off power supply in time to ensure ... safe operation of electric system and early warning of fire;LDF-225/A independent type detector can be in stead ...