203.0 Product SpecificationsModels Buck-1000W Buck-1500WInputRated Voltage 40~120VdcOperating Voltage /MPPT Range40~120 Vdc @ 12Vbat40~120 Vdc @ 24Vbat50~120 Vdc @ 36Vbat60~120 Vdc @ 48VbatMax. Input current 25 A 35 AMax. PV Array OpenCircuit Voltage 150 VdcMax. PV Array Power 1000W 1500WOutputBattery Voltage 12 / 24 / 36 / 48VdcMax. Charger / OutputCurrent 40 A 60 ARipple Voltage < ± 1VMax. Efficiency 95%Charge regulation modes Bulk / Pulse / Float1/Float2 or Bulk / Float1/Float2DisplayStatus on LCDSolar Cell Input Voltage / Solar Cell Input Current/Solar CellInput Power /Bat. Voltage /Bat. Current /Bat. AH/ IGBTtemperature /Bat. temperature/ Voltage setting table, etc.Status on LED Normal/Fault/PV LowProtectionOverload >110% shutdown >105% shutdownShort Circuit at load side Output current>60A shutdownSolar Cell Polarity ErrorProtection YesBattery TemperatureCompensation –3.3mV/ºC/cellStandby PowerConsumption 0 WTotal PowerConsumption WhileOperating3.5 WAlarmsVisible Fault, PV Low, Bat. Abnormal, etc.PHYSICALS CHARACTERISTICSMechanical DimensionsWxHxD mm 165x85x330 mm (2U height)Input/Output Connectors Hardwire(Terminal Block)Enclosure Type IP20Net Weight (Kgs) 3.2 KgsENVIRONMENTOperating Temperature -20℃ to +60℃Storage Temperature -40℃ to +85℃