Wholesale 4ESC 4 Inch DC Brushless Solar Pump With Stainless Steel Impeller Supplier, OEM/ODM Company

Main Features：

●Permanent magnet DC brushless synchronous motor: Make full use of energy as well as enhance the workpiece ratio

●304 Stainless steel outlet/connector/ oil cylinder

●Japanese NSK bearing: Ensuring durability and longevity

●Silicon carbide-impregnated graphite mechanical seal: Prevent water or other adverse substance from the motor in order to protect the pump

●Advanced winding technology: Motor coil is made by 180°C high temperature resistant copper wire, insulation class F, much improving the motor efficiency

●Equipped with 304 SS impeller,the pump is able to withstand the rigors of daily use

●Smart water lack and full water detection

●The magnet is made of 40SH NdFeb, with a temperature resistance of 150℃

●DC Controller:

1) Watertightness estate: IP65

2) Ambient temperature: -15℃ to 60℃

3) MPPT function tries its best to make the most of the solar energy

4) Intelligent charging function: Store energy from sunshine and when there is no sunshine ,it can also operate by itself

5)The screen displays work condition such as the power, voltage, current, speed and error code

6) Frequency conversion function: You can control it by youself to meet your flexible demands

7) Small impact force at the start: No impinging water flow

8) High voltage/Low voltage/Over-current/High temperature protection

9)Wide open circuit voltage range

10)Automatic startup and shutdown, without personnel on duty

●2 years warranty

Spare Parts：

Installation Tutorial：

Installation of DC PUMP：

How to choose the Solar Panel：

Components & Material：

Components	Material
Pump external casing	Stainless Steel
Outlet	Stainless Steel
Connection	Stainless Steel
Oil cylinder	Stainless Steel
Impeller	Stainless Steel
Bearing	NSK
Shaft	Complete SS304

Hydraulic Performance Curves：

Technical Data：

ITEM	Voltage	Optimum input voltage(DC)	Power	Max. Flow	Max.Head	Outlet	Cable	Solar panel
ITEM	Voltage	Optimum input voltage(DC)	Power	Max. Flow	Max.Head	Outlet	Cable	Open circuit voltage(VOC)	Power
4ESC3.5-50-48-400	48V	60V-90V	400W	3.5m³/h	50m	1.25"	2m	＜110V	≥1.3*PUMP POWER
4ESC3.5-86-48-600	48V	60V-90V	600W	3.5m³/h	86m	1.25"	2m	＜110V	≥1.3*PUMP POWER
4ESC3.5-86-72-600	72V	90V-120V	600W	3.5m³/h	86m	1.25"	2m	＜170V	≥1.3*PUMP POWER
4ESC3.5-105-48-750	48V	60V-90V	750W	3.5m³/h	105m	1.25"	2m	＜110V	≥1.3*PUMP POWER
4ESC3.5-105-72-750	72V	90V-120V	750W	3.5m³/h	105m	1.25"	2m	＜170V	≥1.3*PUMP POWER
4ESC3.5-140-72-1100	72V	90V-120V	1100W	3.5m³/h	140m	1.25"	2m	＜170V	≥1.3*PUMP POWER
4ESC3.5-140-110-1100	110V	110V-150V	1100W	3.5m³/h	140m	1.25"	2m	＜220V	≥1.3*PUMP POWER
4ESC4.8-203-110-1500	110V	110V-150V	1500W	4.8m³/h	203m	1.25"	2m	＜220V	≥1.3*PUMP POWER
4ESC6-45-48-500	48V	60V-90V	500W	6m³/h	45m	1.25"	2m	＜110V	≥1.3*PUMP POWER
4ESC6-67-48-750	48V	60V-90V	750W	6m³/h	67m	1.25"	2m	＜110V	≥1.3*PUMP POWER
4ESC6-67-72-750	72V	90V-120V	750W	6m³/h	67m	1.25"	2m	＜170V	≥1.3*PUMP POWER
4ESC6-101-72-1100	72V	90V-120V	1100W	6m³/h	101m	1.25"	2m	＜170V	≥1.3*PUMP POWER
4ESC6-101-110-1100	110V	110V-150V	1100W	6m³/h	101m	1.25"	2m	＜220V	≥1.3*PUMP POWER
4ESC6-146-110-1300	110V	110V-150V	1300W	6m³/h	146m	1.25"	2m	＜220V	≥1.3*PUMP POWER