3 Inch, 4 Inch DC Solar Screw Pump Helical Rotor

Pump Diameter: 3 Inch, 4 Inch
Power Range: 80W ~ 1300W
Max. Flow: 2.2m³/h
Max. Head: 150m

Application
1. Agriculture irrigation.
2. Drinking water and living water supply.
3. Stock farming.
4. Desert control.
5. Fountains.

△ Equipped with MPPT inverter & free accessories

------DC Inverter Features------------

1. IP55 Protection class

2. MPPT: Maximum Power Point Tracking
3. DSP: Digital Signal Processing

4. Double float switch control

5. Wide DC voltage range: Save solar panels
6. Running Speed RPM Control: Stepless speed regulation
7. Soft start: Protect pump from water hammer, protect motor bearings.
8. Over current protection: Pump auto-stop when impeller get stucked
9. Dry run protection / Low-voltage / Over-voltage protection / Reverse voltage protection / Short-circuit protection / Temperature protection

----2 Types appearances available----------

------Motor Features-----------------------------

1. Efficiency improved by 25% with PMSM motor, Permanent

Magnet Synchronous Brushless Motor.
2. Adopt double plastic package for rotor and stator,

motor insulation ≥300MΩ, improve motor safety.

3. 100% copper wire, DW-300 cold-rolled silicon steel sheet.

4. Motor shaft , Motor shell, screw: AISI 304 & AISI316

------Material Features--------------------

1. Pump Outlet: AISI 304 & AISI316
2. Pump body: AISI 304 & AISI316
3. Motor shell: AISI 304 & AISI316
4. Motor Shaft: AISI 304 & AISI316
5. Mechanical seal: Special design for deep well (Graphite-Ceramic)

6. Bearing: C&U or NSK

Dia.	SN	Vaspen Model	Power	Voltage	Optimum Input voltage (DC)	Max. Flow	Max. Head	Outlet (in)	Cable	Solar Panel
										Max. Voc	Power
3 Inch	A	3VHD0.5-28-12-80	80W	12V	20V-36V	0.5 m³/h	28m	0.75 ''	2m	＜50V	≥1.3*Pump Power
	B	3VHD1.2-56-24-120	120W	24V	30V-48V	1.2 m³/h	56m	0.75 ''	2m	＜50V	≥1.3*Pump Power
	C	3VHD1.2-77-36-210	210W	36V	30V-48V	1.2 m³/h	77m	0.75 ''	2m	＜50V	≥1.3*Pump Power
	D	3VHD1.7-109-48-500	500W	48V	60V-90V	1.7 m³/h	109m	0.75 ''	2m	＜100V	≥1.3*Pump Power
		3VHD1.7-109-72-500		72V	72V-120V					＜150V
	E	3VHD2.0-150-72-750	750W	72V	90V-120V	2 m³/h	150m	0.75 ''	2m	＜150V	≥1.3*Pump Power
		3VHD2.0-150-96-750		96V	110V-150V					＜200V
	F	3VHD2.2-180-110-1100	1100W	110V	110-150V	2.2 m³/h	180m	0.75 ''	2m	＜200V	≥1.3*Pump Power
		3VHD2.2-180-150-1100			150V~200V					＜300V
4 Inch	G	4VHD1.7-70-48-500	500W	48V	60V-90V	1.7 m³/h	70m	1 ''	2m	＜100V	≥1.3*Pump Power
		4VHD1.7-70-72-500		72V	90V-120V					＜150V
	H	4VHD2.0-95-72-750	750W	72V	90V-120V	2 m³/h	95m	1 ''	2m	＜150V	≥1.3*Pump Power
		4VHD2.0-95-96-750		96V	110V~150V					＜200V
	I	4VHD2.0-110-110-1100	1100W	110V	110V-150V	2 m³/h	110m	1 ''	2m	＜200V	≥1.3*Pump Power
		4VHD2.0-110-150-1100		150V	150V-200V					＜300V
	J	4VHD2.2-150-110-1300	1300W	110V	110V-150V	2.2 m³/h	150m	1 ''	2m	＜200V	≥1.3*Pump Power
		4VHD2.2-150-180-1300		180V	180V-250V					＜350V