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

3.7 / 4 kW single phase MPPT solar pump inverter, 5 hp solar VFD converts PV array power direct to AC power, DC input to AC 3 phase 220V output or single phase 208v-240v to three phase output, suitable for submersible pumps, surface pumps, swimming pool pumps, etc.

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SKU: GK330-004D-1B

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Delivery date: 6-12 days

$476.10

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Overview
Specifications

Good performance 4 kW (5 hp) solar pump inverter, using advanced Maximum Power Point Tracking control technology, real-time detection of solar panels power voltage.

Specification

Basics	Model	GK330-004D-1B
	Capacity	4 kW (5 hp)
	Weight	3.5 kg
	Product dimension	220183.5150 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	34 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	17 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: The role of solar pump inverter
The solar pump inverter is the most important equipment in the photovoltaic water pumping system and the soul of the system. The inverter controls and regulates the operation of the PV pumping system, converts the DC power generated by the solar cell array into AC power, drives the water pump, and adjusts the output frequency in real time according to the change of the intensity of the sunlight, realizes the maximum power point tracking, and maximizes the utilization of the solar energy.

Products specifications

Attribute name	Attribute value
User Manual	Solar Pump Inverter User Manual

Existing reviews

How to connect a 48VDC or 72VDC source to this 4kW solar pump inverter?

How to connect a 48VDC or 72VDC source to this inverter? Is it possible to use medium voltage DC source with appropriate current as an input of such inverter?

From: Andrew Bogorodsky | Date: 5/24/2022 2:35 AM

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Responded by inverter.com

This 4 kW solar pump inverter DC input voltage should be DC 300~350V , or AC Single phase AC 220V ±15%. Also, your pump should be 3-phase, 220/230/240V.

I bought 3 of these 4kW solar pump inverter

I bought 3 of these pumps for my swimming pool. I installed one so far and have been using it for a few weeks. I am very pleased with the 4kW solar pump inverter. It works great so far.

From: Andres Andres | Date: 6/14/2021 7:20 PM

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

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