Shinenergy’s transformer MPT30383-50-01 is applied for the wind power, it could meet the C3H requirements, the rated power is 50KVA, the rated voltage is 690V/400V, the operating frequency is 50/60HZ. The advantage of transformer MPT30383-50-01 is the capability to handle the extreme current peaks, transfer a stable voltage. These transformers are capable to handle inrush current excellently use of lower voltages in a control circuit provides the workers using stop and start buttons in a hazardous environment with safety.