Shenzhen Zk Electric Technology Co., Ltd.| Manufacturer

Shenzhen Zk Electric Technology Co., Ltd.

[ Guangdong, China ]
Business Type: Manufacturer
Main Product: Solar Pump Inverter, Variable Frequency Inverter, Booster, Soft Start
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Shenzhen Zk Electric Technology Co., Ltd.

China Manufacturer with main products: Solar Pump Inverter, Variable Frequency Inverter, Booster, Soft Start

Home  >Products Catalog > High Mppt 150-450vdc Input Small Power 1hp 2h 3hp 5hp Solar Pump Inverter for Irrigation

High Mppt 150-450vdc Input Small Power 1hp 2h 3hp 5hp Solar Pump Inverter for Irrigation

FOB Price: 170.00 - 180.00 USD/Piece
Supply Ability: 6,000 Piece(s) per Month
Shipping: by sea/ by air/ by express
Payment Terms: T/T, Western Union
In Stock
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Place of Origin: Guangdong in China
Packaging Details: paper box, wooden carton

Quick Details

  • Type: DC/AC Inverters
  • Output Voltage: 220VAC
  • Input Voltage: 150-450VDC
  • Output Type: Triple
  • Brand Name: ZK
  • Output Current: 16A
  • Output Frequency: 0-50HZ
  • Weight: 3.6KG
  • Size: 302*212*231
  • Model Number: SG320-4K0GB-2S
  • Color: black
  • Protection function: 20 kinds of motor protection
  • Overload tolerance: 150% rated current 60s
  • Application: all kinds of 1/3 phase pumps
  • Motor type: PMSM and IM
  • MPPT( maximum power point tracking): 99.6%
  • OEM: OEM
  • Solar pump system consists of: Solar panels/water pump/solar pump inverter
  • Max Input Voltage: 150-450VDC
  • Pump Motor Voltage(V): 220VAC


Shenzhen ZK SG320 Solar Pump InverterFully automatic system using variable speed drive compatible with AC, 1 /3-phase, submersible and surface mount pumps, and high efficiency PMSM Pumps. the system is composed of a PV generator, a pump and a solar pump drive. Based on the design philosophy that it is more efficient to store water rather than electricity, there is no energy storing device such as storage battery in the system. Solar Water Pumping Solution is a fully automatic system designed to provide water at affordable cost for people with limited or no access to electricity. It uses the most advanced S300/3200 variable speed drive to regulate the speed of a 3-phase AC motor depending upon the solar energy available from the solar panel.

how does it work?
An arrays of solar panels generates the power and voltage required for the SG200/320 solar inverter to drive the motor. the solar pump inverter converts the DC voltage input to a 3 phase AC output with variable voltage and frequency. the MPPT algorithm of solar pump inverter extracts maximum power available from the solar panels during the day and operates the motor at variable speed based on the power input to the inverter. the frequency range in which the inverter operates depends upon  the motors peed, hydraulic system and the power available from the solar panel. As the sunshine varies during the day, power input to the inverter varies and generates variable V/F ratio thus controlling the speed of the motor, which in turn regulates the pump impeller speed.
It is no need install battery for investment saving.
It is very suitable for 110VAC/220VAC/380VAC induction motor pumps and PMSM high efficiency pumps.
We also provide 1.5kw solar voltage booster to increase your solar panel voltage for saving solar panel sinvest.Features
Control mode: VF for induction motor pumps, open loop vector control for PMSM high speed pumps
MPPT function: always performance MPPT for gain highest efficiency 
CVT: When sunlight is good, can select CVT control for excellent stable frequency output.
Dry run function: When little water or no water for pumping to protect pumps.
Maximum current protection: set maximum current protection is available 
Minimum solar input power: When low power input, inverter no work
Stop frequency: Lower than stop frequency, inverter no work
Sleep mode: if lower than sleep voltage, inverter go to sleep, it will wake up when DC voltage rise.
Flow and generated energy calculating and monitoring
A lot of  fault protection. Short circuit, ground short circuit, phase loss, over current, overheat
Built in RS485 interface, it is easy to connect GPRS remote controller.




Rated Voltage/Frequency

150-450VDC for S2 220V pumps, 0.75KW-4.0KW( support output single phase)

250-900VDC for 4T 380V pumps, 0.75KW-15kw

250-800VDC for 4T 380V pumps, 18.5KW-500kw

Recommended MPPT voltage(VDC)

S1 series: Vmp 131 to 350 VDC

S2 series: Vmp 280 to 375VDC

4T series: Vmp 450 to 750 VDC

VFD Efficiency

above 96%

MPPT Efficiency

above 99.6%

Power factor

above 0.94( with DC reactor)

Allowable Variablerange

Voltage:-20%~+20%, Frequency:±5%


Rated Voltage

0~110V 220V 380V 480V

Frequency Resolution


Overload capacity

G type-150% Rated Curren/1 minute,180%:10s,200%:rated

 Basic Functions

Motor type

Permanent magnet servo motor and asynchronous motor pumps.

Solar pump control special performance

MPPT ( maximum power point tracking), CVT (constant voltage tracking), auto/manual operation,

Dry run protection, low stop frequency protection, minimum power input, motor maximum

Current protection, flow calculating, energy generated calculating

Running mode

MPPT , CVT, variable frequency mode


RS485 Standard Interface,supporting two formats MODBUS protocol


 over Current protection;over Voltage protection;under Voltage protection; over heat protection;Overload protection



below 1000m; above 1000m, derated 1% for every additional 100m.



Ambient temperature

Less than 90%RH, no water condenses


Less than 5.9m/sec 2(0.6G)

Storage temperature



Level of Protection

Standard IP20, operation IP54 IP55

Cooling-down method

Forced air cooling


Indoor, ,free from direct sunlight, dust, corrosive gas,Oiliness gas, water vapour

Selection of solar panel

Input voltage, power solar panels selection

Pump Model

Inverter model



Total power of solar panels

110VAC pump




(1.3 to 2.0) rated power of pumps It is also depend on the quality of solar panels. the more power input, the better performance

220VAC pump 




380VAC pump

SG320-4T(MAX 800VDC) standard 



480VAC pump

SG320-4T(MAX 900VDC) 0.75-15kw( above 15kw customized)



Applicationthe solar pump  inverters are widely used in photovoltaic systems such as irrigation, agriculture, fountains, etc., and are the key components of the entire High mppt 150450vdc input small power 1hp 2h 3hp 5hp solar pump inverter for irrigation Contact information:Lucy chenWhatsapp is 0086 19860746202 Wechat is 0086 15976396077

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