Description Of 3 Inch DC Brushless Solar Submersible Borehole Pump (3ESS)

EDWIN model 3ESS is a 3 inch DC Brushless Solar Submersible Borehole Pump by screw type, it has permanent magnet DC brushless synchronous motor, and the efficiency is improved by 15%-20%; EDWIN uses stainless steel for the outlet, connector, and oil cylinder part. The bearing is made from NSK brand, to make sure long working life. 2 years warranty is provided.

About DC Controller

Normal DC controller, used for DC only

Available for: 2EPC;3EPC;4EPC;4ELR;3ESS;3ESC;4/6ESC

Size: 23.8x18x9.5cm

Weight: 1.5kgs

Technical Data

Model	Voltage	Optimum input voltage (DC)	Power	Max. Flow	Max. Head	Outlet	Solar Panel
							Open circuit voltage (VOC)	Power
3ESS0.5-28-12-80	12V	20V-36V	80W	0.5m3/h	28m	0.75"	<55V	≧1.3*Pump Power
3ESS1.2-56-24-120	24V	30V-48V	120W	1.2m3/h	56m	0.75"	<55V	≧1.3*Pump Power
3ESS1.2-77-36-210	36V	30V-48V	210W	1.2m3/h	77m	0.75"	<55V	≧1.3*Pump Power
3ESS1.7-109-48-500	48V	60V-90V	500W	1.7m3/h	109m	0.75"	<105V	≧1.3*Pump Power
3ESS2.0-150-48-750	48V	60V-90V	750W	2.0m3/h	150m	0.75"	<105V	≧1.3*Pump Power
3ESS2.0-150-72-750	72V	90V-120V	750W	2.0m3/h	150m	0.75"	<160V	≧1.3*Pump Power
3ESS2.2-180-72-1100	72V	90V-120V	1100W	2.2m3/h	180m	0.75"	<160V	≧1.3*Pump Power

Free Spare Parts

Hydraulic Performance Curves

Installation Description

Installation Diagram

PUMP POWER: 80W-12V   

Voc: 18V-50V

PUMP POWER: 120W-24V 180W-24V 200W-24V 210W-24V 210W-36V   

Voc: 18V-50V

PUMP POWER: 500W-48V 550W-48V   

Voc: 18V-50V

PUMP POWER: 750W-48V   

Voc: 30V-100V

PUMP POWER: 750W-72V   

Voc: 50V-150V

PUMP POWER: 1100W-72V   

Voc: 50V-150V

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