Description Of 3 Inch AC/DC Hybrid Brushless Solar Submersible Borehole Pump (3ESC-A/D)

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

About AC/DC auto-switching controller

The AC/DC auto-switching controller can switch DC and AC automatically.If the voltage is lower than the set value, it will automatically switch to AC power. Size: 24.3x23.5x11cm (power≧2200W); 32x23x11cm (power<2200W) Weight: 2.3kgs/2.5kgs

About HV controller

Wide voltage controller, DC only. It is available for all AC/DC pumps, except 3KW-4KW model; Size: 24.3x23.5x11cm; Weight: 2.2kgs

Technical Data

Model	Voltage	Optimum input voltage (DC)	Power	Max. Flow	Max. Head	Outlet	Solar Panel
							Open circuit voltage (VOC)	Power
3ESC4.8-95-110-750-A/D	85V-280V	80V-430V	750W	4.8m3/h	95m	1.25"	<430V	≧1.3*Pump Power
3 ESC4.8-110-150-1100-A/D	85V-280V	80V-430V	1100W	4.8m3/h	110m	1.25"	<430V	≧1.3*Pump Power
3ESC4.8-130-200-1500-A/D	85V-280V	80V-430V	1500W	4.8m3h	130m	1.25"	<430V	≧1.3*Pump Power

Free Spare Parts

Hydraulic Performance Curves

Installation Description

Installation Diagram

PUMP POWER: 750W-220V

AC: 85V-280V DC: 80V-430V

PUMP POWER: 1100W-220V 1200W-220V

AC: 85V-280V DC: 80V-430V

PUMP POWER: 1300W-220V 1500W-220V

AC: 85V-280V DC: 80V-430V

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