Product Description BEG Series battery charger is developed specially by Zhejiang Bangzhao Electric Co.,Ltd for DC battery system charging station. With single phase AC input, it has the advantages of high efficiency, high power density and low harmonic. 50-750VDC 3 phase 100KW battery charger: 150-1000VDC 3 phase 400kw battery charger: Can be customised according to customer requirements Our Advantages Detailed Photos Product Parameters Category Name Parameter Environmental conditions Operation temperature -40&deg;C ~ +75&deg;C, derating is require when the temperature is above 55&deg;C. Storage temperature -40&deg;C ~ +70&deg;C Relative humidity &le;95%RH, without condensation Cooling mode Forced air cooling Altitude 2,000 m a.s.l., derating is require when the altitude is above 2,000 m a.s.l. Atmospheric pressure 79 kPa ~ 106 kPa AC input Input system Three phases + PE Rated voltage 380 Vac Voltage range 260 Vac ~ 530Vac Maximum current 160A Rated frequency 50Hz/60Hz DC output Voltage range 50~750V Current range 0 ~ 160A (high voltage)/ 0~250A(low voltage) Rated current 133A@750V (required for setting of current limiting point,750V is 135A) Steady voltage precision <&plusmn;0.5% Steady current precision &le;&plusmn;1% (rated range of 20% ~ 100% for output load) Load regulation rate &le;&plusmn;0.5% Startup overshoot &le;&plusmn;3% Peak-to-peak value noise &le;1% (50~750V, 0~20MHz) Power factor and THD Power factor &ge;0.95 Full-load output power of @20%~50% &ge;0.98 Full-load output power of @50%~100% &ge;0.99 Full-load output power, input nominal voltage and frequency of @100% THD &le;5% Full-load output power of @50%~100% Efficiency Under Rated input voltage &ge;95.2%,@750V,50%~100% EMC Emission ClassA , Meet the requiremnt of NB/T 33001-1-2010,NB/T 33008-1-2013 Immunity C lassA , Meet the requiremnt of NB/T 33001-1-2010,NB/T 33008-1-2013 Current sharing In case of load of 10%~100%, the module current sharing error &le; rated output current of &plusmn;5%. Noise &le;65dB(1m away, Startup duration (select the startup mode through the monitoring module) Normal startup mode: the time delay from AC power-on to module output is &le; 8s. Output delayed startup: The startup duration can be set through the monitoring module, with default output startup duration of 3~8s. Earthing resistance Earthing resistance &le; 0.1&Omega;, bearable current &ge; 25A Surge protection Meets IEEE C62 41-1991 Class B3 rating, 6kV/3kA (1.2/50&mu;s impulse voltage and 8/20&mu;s inrush current mixed wave) Insulation resistance The insulation resistance of DC part and AC part to housing and the AC part to the DC part shall be &ge; 10M&Omega;. Insulation strength AC input terminal to the housing 3535V DC voltage 20S clock, no breakdown, no arcing phenomenon, steady state leakage current is less than 1mA; AC input terminal to DC output terminal 3535V DC voltage 20S clock, no breakdown, no arcing phenomenon, steady-state leakage current is less than 1mA; DC output terminal to the housing 3535V DC voltage 20S clock, no breakdown, no arcing phenomenon, steady state leakage current is less than 1mA; power inverter built in AC-DC charger for no solar panels system: for lithium battery storage system: Company Profile ZheJiang Bangzhao Electric Co., Ltd. is specialized in the field of power research and development, production and service. In all varieties, high quality, excellent service is recognized by the vast number of customers, the company R & D products basically covers the best product, they represent the highest level in the world manufacturing power. The main products are: Lithium