we are offering line conditioner . currently , as the economy grows very fast , the electricity consuming raises up and the shortage of power supply happens much often. the fuel crisis , energy crisis , and environmentpollution come along with it . human societies are facing more and more electric problems and difficulties. as for an enterprise , power problems always come as first concern. in case your device is under the conditions or impacts of over power consuming , large eq-uipments , or electric power problem such as voltage fluctuation spikes surge noise , it will result in device abnormality, short device lifetime, part damage, or even function failure. our inductive voltage regulator - aph series is designed for solving these problems, and offering the stable, safe, and clear power. with the innovative technology, creative, and continuesdevelopment and research, we offer you the latest generation of inductive voltage regulator - aph series , which is very popular among our world wide customers. electric feature strong durable & high reliabilityno contact point; capable to sustain spike, surge or impulse lash coming from non-linear load; low faulty rate; long equipment life protection: redundant circuit controlevent history inside memory for up to 200 eventsloss phase, phase reversed protectionoutput over voltage & under voltage protectionoutput overload protection high overload capability:100% continuous load; 200% transient current to 5 minutes; maximum tolerable 500% transient start current. new user interface: lcd; blue backlight; white wordsrs-485 communication portpush buttons with light convenient to operate under darkremote signal, measurement, and control functions to monitor and control your equipments