SD750250G -
Zhejiang Sandi Electric Co., Ltd
AC-DC Power Rectifier Battery Charger Customized for Lead Acid AGM Gel LiFePO4 Lithium Battery is for DC battery system charging station. With single-phase or 3 phase non neutral conductor AC input, it has the advantages of high efficiency, high power density and low harmonic. 50-750Vdc output voltage range optional, suitable for all types of batteries.Product Introduction:SAND AC/DC Charger is specially developed for DC chargers module. It has high efficiency, high power factor, high power density, high reliability advantage. AC input 3 phase or single phase, DC output voltage range from 50 to 750VDC can be set, compliant with CE safety requirements, EMC standard EN61000-6-3 and EN61000-6-1 Class A, it is an advanced international level charger module.Unique function:● High efficiency over the full load range, full load efficiency greater than 95.5%● Wide output voltage range, 50-750VDC, suitable for a wide range of Lithium and lead acid battery● 5-inch LCD touch screen, easy to operate● Flexible application, charging voltage, charging current, charging time, timing charging can be set by LCD screen, easy to operateMain features:● Powerful protection, overheating, short circuit, overload, overvoltage, undervoltage, etc.● Three phase active power factor correction technology, reduces the harmonic interference to the grid● Dual DSP design, achieve the full digital control, less components means high reliability● Wide input voltage range, allows operation in most poor grid conditions● Soft start charging and soft shutdown minimize the impact on the battery.● Input, output have protective circuit breaker switch● Module adopts hot pluggable design, which is convenient for maintenance.● CAN/RS485 interfaceSpecificationModel SD750250GAC input Input system Three phases + PEVoltage range 340Vac ~450VacRated voltage 400VacFrequency range 50Hz/60HzMaximum current <192AITHD (total harmonic distortion) <5%DC output Voltage range 100-750Vdc ( can set)MAX. Output current (A) 250ACurrent range 1 ~ 250A (can set)Steady voltage precision <±0.5%Steady current precision ≤±1% (rated range of 20% ~ 100% for output load)Load regulation rate ≤±0.5%Startup overshoot ≤±3%Peak-to-peak value noise ≤1% (200~1000V, 0~20MHz)Display Indication Light Green LED: normal operation,Yellow LED: alarm, Red LED: failureDisplay language EnglishDisplay 5’ LCD touch screenPower factor and THD Power factor ≥0.90 Full-load output power of @20%~50%≥0.98 Full-load output power of @50%~100%≥0.99 Full-load output power, input nominal voltage and frequency of @100%THD ≤5% Full-load output power of @50%~100%Protection function input overvoltage Protection Over Under Voltage automatic shutdown and restart when voltage return normalOutput overvoltage protection Over Under Voltage automatic shutdown and restart when voltage return normalOver-temperature protection Automatic shutdown. Automatic restart when the temperature return to normalShort circuit protection Automatic shutdown and lock, need power off to restart to unlockEfficiency Under Rated input voltage ≥95.2%Application place Indoor (IP20)Environmental conditions Operation temperature -20°C ~ +75°C, derating from 55°CStorage temperature -40°C ~ +70°CRelative humidity ≤95%RH, without condensationCooling mode Forced fan coolingNoise ≤60dB (1m away)Altitude 2,000mCommunication RS485 / CAN BUSInsulation resistance insulation resistance of DC and AC part to housing and the AC to the DC part shall be ≥ 10MΩ