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SAJ VFD 22KW 3 Phase

Quick Overview

In order to satisfy the demands of various pumping applications in rural and remote areas and areas lack of power-supply, solar pump controller arises at the right moment. The controller adopts Max Power Point Tracking and proven motor drive technology to maximize power output from solar modules.


Brand Max Power
Product Code PDS33-4T022
Warranty 2 Years
User Guide Download PDF

Out of stock

SKU: PDS33-22K Categories: ,

Technical Specification

PV Source
Max Input Voltage(Voc) [V] 800V DC
Recommended Voltage, at MPPT 500V DC – 700V DC
PV Array Power [kW] 26.4~35.2
Alternative AC Generator
Input Voltage 380V AC(±15%), Three Phase
Max Amps(RMS) [A] 46.5
Power and VA capability [kVA] 30
Output Data
Output Power, rated [kW] 22
Output Voltage, rated 380V AC(±15%), Three Phase
Max Amps(RMS) [A] 45
Output Frequency 0-50Hz/60Hz
Surge protection Integrated
Overvoltage protection Integrated
Undervoltage protection Integrated
Locked pump protection Integrated
Open circuit protection Integrated
Short circuit protection Integrated
Overheated protection Integrated
Dry run protection Integrated
Communication port Standard isolater RS-485, Modbus protocol
General Data
Ambient Temperature Range -20℃~60℃, >45℃,Derating as required
Cooling Method Fan Cooling
Ambient Humidity ≤ 95%RH 5
Dimensions(H*W*D) [mm] 445*256*228.6
Gross Weight [kg] 16.3
Standard Warranty [month] 18
Certificates IEC/EN 61800-5-1,IEC/EN 61800-2:2004,IEC/EN 61800-3:2004,CE



  • Compatible with any IEC three-phase asynchronous motors
  • Compatible with popular solar arrays
  • Grid main supply optional


  • Self-adaptive maximum power point tracking technology with upto 99% efficiency
  • Automatic regulation of pump flow
  • Seif-adaption to the drive used in the installation

Cost Effectiveness

  • Plug-and-play system design
  • Embed pump functions
  • Battery-free for most applications
  •  Effortless maintenance


  • 10-year market proven experience of leading motor and pump drive technology
  • Soft start feature to prevent water hammer and increase system life
  • Smart igbt module integrated to simplify system design, reduce board space and simplify the manufacturing process
  • Built-in overvoltage, overload, overheat and dry-run motor protection

Remote Monitoring

  • Standard RS485 interface equipped for each solar pump controller
  • Optional GPRS RJ485 modules for remote access
  • Spots value of solar pump parameters monitoring available from anywhere
  • History of solar pump parameters and events lookup support, Android/iOS monitoring App support or PC


  1. According to the light conditions in different regions, the PV array power can be 1.2-1.6 times to the pump power.
  2. Use the deep well pump or the output power wire for a long occasion, the controller needs to enlarge one step.


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