Model Number: ZKJ-B20KW360VC Brand Name: ZONHAN Key Specifications/Special Features: ZKJ–B model product characteristics◆The product can be manufactured in accordance with either JB/T6939.1-2004 industrial standard, GB/T 19115.1-2003 national standard or users’ technical requirements.◆ZKJ-B controllers adopt multiple-line three-phase load discharging control.◆The total power of three-phase load discharging is 220% larger than the rated power of the wind turbine generator.◆It has reverse connection, anti-decoupling and damage-resisting protection of the battery.◆Over-charging protection of the battery: Technical Parameters of the ZKJ-B Off - Grid Wind turbine Controller Type 20KW-360Vdc Battery 360Vdc Function Charge, control Operating environment Temperature -30-40℃, humidity≤80% PWM constant voltage >420Vdc 3-phase dump load voltage of the wind turbine 435±5Vdc Recovery charging voltage of the wind turbine 405±5Vdc Low-voltage of the battery 300±5Vdc Self-provided connecting wire of the battery >12mm PWM dump load fuse 40A Charging fuse 80A Size of the controller 560*460*950 mm Weight of the controller 53Kgs Size of the dump load 810*580*980mm Weight of the dump load 77Kgs