Product Name: 36V 400W Solar DC screw helical rotor pump solar submersible water pump Model NO.: 3SSH1.6/80-D36/400 Theory: Centrifugal Pump Performance: Automatic Pump Industry: Mechanical Pump Application: Submersible Pump, Clarified Water Pump, Oil Transfer Pump Start Up: Electric Pump Power: Solar Energy Assembly: Liquid Pumps Structure: Multistage Pump Material: Stainless Steel Driving Type: Motor Max.Head: 50-80m Rated Voltage (VDC): 72V Rated Power (W): 750W Motor: Brushless DC Motor Winding: 100% Copper Wire Bearing: NSK MPPT: Yes Controller Shell: Die-Cast Aluminum Application Area: Irrigation, Swimming Pool, Drinking Water Trademark: JILU / OEM Transport Package: Plywood Case Origin: Ningbo HS Code: 8413709990 Product Description We study and manufacture bldc motor and bldc solar pump controller since 2008 with Dr. Wang of China Academy of Sciences.Accept ODM and OEM.