Huawei R4830G 02310DTR 30A Rectifier Power Supply Module on ETP4890-A2 Product Description: R4830G 30A rectifier. Apply to ETP4890-A2. Wide range of AC input voltage from 85V to 300V. Maximum output power: 1600W Wide operation temperature range of rectifier from -40в„ѓ to 75в„ѓ. High rectifier efficiency over 96% helps to save energy. Product Details: If you are interested, please let us know the specific model. We will provide the best service and the best price! Pr