... 3. brushless DC motor 4. C&U bearing. 48v solar pump ◊ ApplicationThis Project products are mainly used in dry ... up frequently when the solar power is weal,Thereby it can protect the pump motor and prolong the ... switch ◊ Instruction for chargeable pump controller: ◊ Products’ Picture ◊ Production Process◊ Components ◊ Main marketAmerica, Australia, South Africa, Dubai◊ Certificate 48v solar pump