Smart I-V Curve Diagnosis Function: locate PV string faults accurately and automaticallydetect faults ˙Intelligent Fault Detection: ac-side voltage and current waveforms real-time recorded, fast fault location ˙Support RS485/WiFi/4G: remote monitoring and operation via PC or mobile phones Intelligent Simple O&M ˙2 MPP Trackers , Max. input current per string: 18A ˙150% DC Input Oversizing ˙Compatible with high power modules Efficient Higher revenue ˙IP66 Protection Degree: support outdoor installation ˙DC & AC Type II SPD: prevent lightning damage ˙AFCI Function (Optional): when an arc-fault is detected the inverter immediately stops operation