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The Hitachi SJ300 Adjustable Frequency AC Drives provide Power Powerful High Starting Torque rated 200% or higher at 05 Hz. This drive is equipped with Hitachi’s Advanced Sensorless Vector Control capability which supports off-line and on-line adaptive auto-tuning. With adaptive auto-tuning, the motor characteristics are automatically updated under real-time ambient conditions such as variation to primary resistance sue to temperature rise. Speak to an Expert Now :Call 800-985-6929 or Contact Us.

Manuals and documentation may also be downloaded through the product documentation page.

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With the SJ300 drives, Speed control at low frequency is enhanced for greater process stability and precision. Hitachi SJ300 series inverters are also capable of being configured in Master and Follower topology, which functions similar to Cascade Control Strategy, used in advanced and higher complexity control applications.

Moreover, SJ300 drives supports Proportional + Integral + Derivative (PID) control algorithm which enable the VFD to implement automatic closed loop control without the need of external controllers such as a PLC or single loop controllers.
SJ300 Drives are designed to provide maximum performance at a compact form.

Other equally important p features of this Hitachi SJ300 Variable Frequency Drives are:

Deceleration and Stop at Power Failure
– uses the motor’s regenerative energy, for increased operational safety.

Multiple Motor Constant selection – for multi-axis motor control.

Cooling Fan operation selection – SJ300 Drive’s cooling fan has selectable Start / Stop action with reference to drive’s operating state, aimed to prolong and maximize cooling fan lifespan.

Ease of Maintenance
– removable DC Bus capacitor, cooling fans including control terminals Integrated suppression of interferences – Internal EMI filter, Harmonics mitigation, Supply disturbance voltage are installed as part of the drive’s default configuration

Centralize VFD Control – Hitachi SJ300 drives support a wide variety of communication protocols such as MODBUS, ProfiBus, Ethernet and LONWORKS for implementing centralized control of multiple inSJ300 Drives

Out of stock

  • Series: SJ300
  • 0.5 Horsepower(HP)
  • 0.4 Kilowatt (KW)
  • 230 Volts
  • 3 Amps
  • 3 Phase
  • 7.7 pounds
This product is no longer manufactured or sold. The Hitachi recommended replacement is the P1-00044-LFUF drive. Please check the dimensions and specifications on the replacement drive page or contact us at 800-985-6929 to confirm the replacement will work for your application.
Replacement Drive

Out of stock

  • Series: SJ300
  • 1 Horsepower(HP)
  • 0.75 Kilowatt (KW)
  • 460 Volts
  • 2.5 Amps
  • 3 Phase
  • 7.7 pounds
This product is no longer manufactured or sold. The Hitachi recommended replacement is the P1-00041-HFUF drive. Please check the dimensions and specifications on the replacement drive page or contact us at 800-985-6929 to confirm the replacement will work for your application.
Replacement Drive

Out of stock

  • Series: SJ300
  • 1 Horsepower(HP)
  • 0.75 Kilowatt (KW)
  • 230 Volts
  • 5 Amps
  • 3 Phase
  • 7.7 pounds
This product is no longer manufactured or sold. The Hitachi recommended replacement is the P1-00080-LFUF drive. Please check the dimensions and specifications on the replacement drive page or contact us at 800-985-6929 to confirm the replacement will work for your application.
Replacement Drive

Out of stock

  • Series: SJ300
  • 2 Horsepower(HP)
  • 1.5 Kilowatt (KW)
  • 460 Volts
  • 3.8 Amps
  • 3 Phase
  • 7.7 pounds
This product is no longer manufactured or sold. The Hitachi recommended replacement is the P1-00054-HFUF drive. Please check the dimensions and specifications on the replacement drive page or contact us at 800-985-6929 to confirm the replacement will work for your application.
Replacement Drive

Out of stock

  • Series: SJ300
  • 2 Horsepower(HP)
  • 1.5 Kilowatt (KW)
  • 230 Volts
  • 7.5 Amps
  • 3 Phase
  • 7.7 pounds
This product is no longer manufactured or sold. The Hitachi recommended replacement is the P1-00104-LFUF drive. Please check the dimensions and specifications on the replacement drive page or contact us at 800-985-6929 to confirm the replacement will work for your application.
Replacement Drive

Out of stock

  • Series: SJ300
  • 3 Horsepower(HP)
  • 2.2 Kilowatt (KW)
  • 460 Volts
  • 5.3 Amps
  • 3 Phase
  • 7.7 pounds
This product is no longer manufactured or sold. The Hitachi recommended replacement is the P1-00083-HFUF drive. Please check the dimensions and specifications on the replacement drive page or contact us at 800-985-6929 to confirm the replacement will work for your application.
Replacement Drive

Out of stock

  • Series: SJ300
  • 3 Horsepower(HP)
  • 2.2 Kilowatt (KW)
  • 230 Volts
  • 10.5 Amps
  • 3 Phase
  • 7.7 pounds
This product is no longer manufactured or sold. The Hitachi recommended replacement is the P1-00156-LFUF drive. Please check the dimensions and specifications on the replacement drive page or contact us at 800-985-6929 to confirm the replacement will work for your application.
Replacement Drive

Out of stock

  • Series: SJ300
  • 5 Horsepower(HP)
  • 3.75 Kilowatt (KW)
  • 230 Volts
  • 16.5 Amps
  • 3 Phase
  • 7.7 pounds
This product is no longer manufactured or sold. The Hitachi recommended replacement is the P1-00228-LFUF drive. Please check the dimensions and specifications on the replacement drive page or contact us at 800-985-6929 to confirm the replacement will work for your application.
Replacement Drive

Out of stock

  • Series: SJ300
  • 5 Horsepower(HP)
  • 3.75 Kilowatt (KW)
  • 460 Volts
  • 8.6 Amps
  • 3 Phase
  • 7.7 pounds
This product is no longer manufactured or sold. The Hitachi recommended replacement is the P1-00126-HFUF drive. Please check the dimensions and specifications on the replacement drive page or contact us at 800-985-6929 to confirm the replacement will work for your application.
Replacement Drive

Out of stock

  • Series: SJ300
  • 7.5 Horsepower(HP)
  • 5.5 Kilowatt (KW)
  • 460 Volts
  • 12 Amps
  • 3 Phase
  • 7.7 pounds
This product is no longer manufactured or sold. The Hitachi recommended replacement is the P1-00175-HFUF drive. Please check the dimensions and specifications on the replacement drive page or contact us at 800-985-6929 to confirm the replacement will work for your application.
Replacement Drive

Out of stock

  • Series: SJ300
  • 7.5 Horsepower(HP)
  • 5.5 Kilowatt (KW)
  • 230 Volts
  • 24 Amps
  • 3 Phase
  • 7.7 pounds
This product is no longer manufactured or sold. The Hitachi recommended replacement is the P1-00330-LFUF drive. Please check the dimensions and specifications on the replacement drive page or contact us at 800-985-6929 to confirm the replacement will work for your application.
Replacement Drive

Out of stock

  • Series: SJ300
  • 10 Horsepower(HP)
  • 7.5 Kilowatt (KW)
  • 460 Volts
  • 16 Amps
  • 3 Phase
  • 121 pounds
This product is no longer manufactured or sold. The Hitachi recommended replacement is the P1-00250-HFUF drive. Please check the dimensions and specifications on the replacement drive page or contact us at 800-985-6929 to confirm the replacement will work for your application.
Replacement Drive