... PWM controlC 50A PWM Solar charge regulator 12/24/48V Characteristics Control circuit use MCU and professionalsoftware as ... rate curveSelfprotection protection tooverload, outside and inside short circuit, reverse connection, thunder andlightning, PV panel reverse current ... full, powerlow, over-discharge, over load, out short circuit, load on/off, etc SDPC30ASDPC40ASDPC50A30A40A 50A 30A40A 50A12v,24V ...