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

High efficiency 1.5 kW (2 hp) MPPT solar water pump inverter, input voltage from 260V DC to 350V DC (or single phase AC 220v) to drive three phase 220V AC water pump, automatically adjust the motor speed and the water flow according to the sunlight intensity.
SKU: GK330-1R5D-1B
Free shipping
Delivery date: 6-12 days

1.5 kW solar pump VFD with 3 phase 220v AC output for agricultural irrigation, solar energy and power grid switchable, multiple power supply designed solar AC drive.


Basics Model GK330-1R5D-1B
Capacity 1.5 kW (2 hp)
Weight 2.4 kg
Product dimension 189.5*167*120 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 14 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 7 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


  • 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: Solar pump system vs. ordinary pump system 

Unlike the ordinary water pump system which uses AC as power supply, solar water pump system uses DC power output from solar array as power supply. The output of solar array is a strong non-linear DC power supply, which is greatly affected by sunshine, ambient temperature and other meteorological factors. In order to realize the maximum output power potential of PV array under any sunshine, ambient temperature and other conditions, a controller which can make the power supply and load work harmoniously, efficiently and stably is needed. The solar pump inverter is to achieve this function, mainly to achieve MPPT (maximum power point tracking), inverters and some protection functions. The solar pump inverter drives the motor and water pump. The load of the system can be adjusted by adjusting the speed of the pump.

Products specifications
Attribute name Attribute value
User Manual

PDFSolar Pump Inverter User Manual

Write your own review
  • Only registered users can write reviews