0.4 kW Solar Pump Inverter, DC/AC Input to 3ph AC Output

$261.58

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Cheap price 0.4 kW (1/2 hp) solar pump inverter, DC 260V-350V to AC 3 phase 220V (or single phase 220/230/240V to three phase) MPPT solar water pump controller / solar VFD, converts DC voltage from the solar array into AC voltage to drive submersible pumps directly.

SKU: GK330-R4D-1B

Overview
Specifications
Reviews

Overview

0.4 kW solar water pump inverter, built-in Maximum Power Point Tracking (MPPT) controller system to drive 3-phase AC 220v motor water pumps.

Specification

Basics	Model	GK330-R4D-1B
	Capacity	0.4 kW (1/2 hp)
	Weight	2.4 kg
	Product dimension	189.5167120 mm
Input Feature	Input voltage	DC 260~350V, recommend DC 300~350V for 3-phase 220/230/240V motor Single phase AC 220V ±15%
	Vmp/ Voc voltage	VMP≥280V, voc≤400V
	Rated input current	5.4 A
	Input frequency	47~63 Hz
	Input power of solar panel	About 1.5 times the solar pump inverter rated power
Output Feature	Output voltage	Three phase 0~rated input voltage
	Rated output current	2.1 A
	Output frequency	50Hz/ 60Hz (output 0-300Hz please contact us) DC 270~320V corresponds to 0-50Hz for 220V AC
Control	Control mode	SVPWM, SVC
	Motor type	Asynchronous motor
	Speed ratio	Asynchronous motor 1:100 (SVC)
	Speed control accuracy	±0.2%(SVC)
	Speed fluctuation	±0.3%(SVC)
	Torque response	<20ms (SVC)
	Torque control accuracy	10%(SVC)
	Starting torque	0.25 Hz / 150% (SVC)
	Overload capability	150% of rated current: 1 minute 150% of rated current: 10 seconds 200% of rated current: 1 second
Running control	Frequency setting method	Digital settingAnalog setting Pulse frequency setting Multi-step speed running settingSimple PLC setting PID setting, MODBUS communication setting Shift between the set combination and set channel
	Operation method	Keyboard/ terminal/ communication
	Auto-adjustment of voltage	Keep a stable voltage automatically when the gird voltage transients
	Fault protection	Overcurrent, overvoltage, undervoltage, overheating, phase loss, overload, etc.
	Special functions for PV water pumps	Maximum power tracking, pre-warning at weak light, auto wake up at strong light, Pre-warning when full water, auto wake up at low water level, Underload pre-warning and protection of water level sensor, When pre-warning, the inverter is in stand-by
Environment	Environment temperature	-10℃~40℃ (environment temperature is among 40℃~50℃; please use it with derating)
	Storage temperature	-20℃~65℃
	Environment humidity	Less than 90 % R.H, not exceeding 90% R.H
	Altitude, Vibration	Below 1000 m, below 5.9m/s² (=0.6g)
	Cooling method	Forced cooling and natural air cooling
	Enclosure rating	IP 20
Warranty	18 months

Features

Solar pump inverter adopts advanced MPPT control technology, real-time detection of solar panels power voltage, tracking the highest voltage and current, efficiency is as high as 98%.
It can enter automatically to sleep mode when the intensity of sunlight is weak, as well as can exit the sleep mode when the intensity of sunlight is becoming strong.
Automatic sleep when on high-water level and automatic restart when on low-water level to realize automatic control through water level.
Multiple power supply design, power input can be solar energy photovoltaic DC power supply (DC 260~350V, DC 450~750V), can also be single phase or three phase AC power, simple wiring.
Smart operation, water level detection and operation panel to prevent overflow, dry pumping.
Protect itself in trouble and improve the reliability of whole system.
The bypass- AC source which runs automatically when the sun is Not sufficient or absent.

solar pump inverter wiring application

Tips: Suggestions on how to build solar pump system
1. Installation of solar panels: The installation position should be no shade or obstruction all year round, and there is sufficient direct sunlight. The installation angle with the ground can be determined by reference to the local latitude to ensure that the solar panels receives the max. amount of illumination.
2. Selection of solar water pump inverter: Manufacturers with good product quality should be selected. Solar variable frequency drive with high tracking accuracy and conversion efficiency should be chosen. Tracking accuracy and conversion efficiency will directly affect the pumping effect.
3. Antifreeze: When installing in high and cold areas, the antifreeze treatment of the pipeline system should be done. It is necessary to bury the pipeline below the freezing line. In winter, the water cannot be stored in the pipeline. Otherwise, the pipeline may be broken due to icing.

Specifications

Products specifications

Attribute name	Attribute value
User Manual	Solar Pump Inverter User Manual

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Existing reviews

Easy to operate and get started quickly

This 0.4 kW solar pump inverter is really great! The DC/AC input to 3-phase AC output is very smartly designed, easy to operate and get started quickly. Breathes new life into my solar pump system, saves time and effort, very satisfied.

From: Sirius zhang | Date: 11/24/2023 12:56 AM

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I completed the 1/2 hp solar water pump inverter installation very quickly

I have recently installed a 1/2 hp solar water pump inverter and I am very pleased with its performance. The solar water pump inverter works well in my irrigation system, it was easy to install and connect to my solar panels and has significantly improved the efficiency of my water pumping system.

From: Rosebe Villade | Date: 3/29/2023 7:17 PM

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Well built 0.4 kW solar pump inverter

I like this 0.4 kW solar pump inverter, it is very helpful for my work. Solar pump inverter storage temperature range is very wide. I do not worry about high temperature or low temperature on its impact.

From: Chobe Edward | Date: 6/20/2022 3:51 AM

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Smart 0.4kW solar pump inverter

My dad likes the 0.4kW solar water pump inverter that I bought for him. It is very smart and has a built in maximum power point tracking control system. It can detect the water level and prevent the pump from overflowing or dry pumping and avoiding its damage.

From: Beamish Beamish | Date: 3/9/2021 12:24 AM

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