Hitachi AC Drive SJ100-004NFU

  • Series: SJ100
  • 0.4 Horsepower(HP)
  • 0.55 Kilowatt (KW)
  • 230 Volts
  • 2.6 Amps
  • 1/3 Phase
  • 1.87 pounds
This product is no longer manufactured or sold. The Hitachi recommended replacement is the 1PH- WJ200-004SF or 3PH- WJ200-004LF 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.

1PH-Replacement Drive 3PH-Replacement Drive

The Hitachi SJ100 series of VSD Variable frequency drive is a small low cost inverter suitable for standard AC motors.


  • 200V and 400V class inverters
  • UL or CE version available
  • Sensorless vector control
  • Regenerative braking circuit
  • Convenient keypad for parameters settings
  • Built-in RS-422 communications interface to allow configuration from a PC and for field bus external modules
  • Sixteen programmable speed levels
  • Motor constants are programmable, or may be set via auto-tuning
  • PID control adjusts motor speed automatically to maintain a process variable value
  • High starting torque of 200% rating or greater
  • Continuous operation at 100% torque within a 1:10 speed range (6/60 Hz / 5/50 Hz) without motor derating
  • Fan has ON/OFF selection to provide longer life for cooling fan (on models with fan)

FREE SHIPPING on the SJ100 Series AC Drives (ground service using our choice of carrier, within the contiguous United States only)

Drive Details




Constant/Variable Torque

Horse Power
3/4 HP

Maximum Amps
2.6 A

1 or 3 Phase


Height: 4.72 in
Width: 2.64 in
Depth: 4.21 in


Manuals and Specifications:

Service Manual Hitachi SJ100 Service Manual
Quick Reference Guide Hitachi SJ100 Quick Reference Guide
Interval Dynamic Braking Tables Hitachi SJ100 Interval Dynamic Braking Tables
Instruction Manual Supplement Hitachi SJ100 Instruction Manual Supplement
Instruction Manual Hitachi SJ100 Instruction Manual
SJ100DN Addendum Hitachi SJ100DN Addendum
Brochure Hitachi SJ100 Brochure
400V Class External Dynamic Braking Tables Hitachi SJ100 400V Class External Dynamic Braking Tables
200V Class External Dynamic Braking Tables Hitachi SJ100 200V Class External Dynamic Braking Tables