AC Inverter S15

The Toshiba S15 micro drive, with an updated dimensional footprint and updated features, replaces the HF320α. This product is offered in two models - Standard and Premium. The Premium models have "Safe Torque Off" functionality and a “Safe Torque Off” terminal."

Toshiba S15 AC Drives offer a compact size and easy programming. The drives can operate in V/F mode, Sensorless Vector (SLV) control for 0.1% speed control, or can be set to operate a Permanent Magnet AC motor. The drives offer Heavy Duty performance with 110% continuous overload, and 150% overload for 1 minute. S15 AC drives are available from ½ to 20 HP, 200-240V and from ½ to 20 HP for 380-500V. In addition, a single phase input version is available in ¼-3 HP in the 200-240V. All S15 AC drives are suitable for 50 Hz or 60 Hz input.


Get current catalogs for this product.


Get current manuals for this product.


  • Two operating modes provide application flexibility:
  • V/F (Volts-per-Hertz)
  • Sensorless Vector (SLV)
  • The  drives are also capable of working with Permanent Magnet AC motors
  • Compact design
  • Safe Torque Off (STO) compliant, including a STO power removal terminal (Premium units only)
  • Two-wire RS-485 Port (TSB or MODBUS RTU Protocol)
  • Easy Key: A configurable key that simplifies start-up and operation
  • My function: Allows the use of logic-type programming without the expense of a micro PLC
  • Improved Proportional/Integral/Derivative (PID) control algorithm
  • Past Trip Monitoring: stores data for the last 8 faults
  • Compatible with the Windows based Toshiba ASD Pro software
  • DC Power input terminal for operating the control circuit
  • Six programmable digital inputs
  • Three programmable analog inputs (0-10 VDC, ±10 VDC and 4-20 mA)
  • Three programmable digital outputs
  • One programmable analog output (0-10 VDC, or 4-20 mA)
  • IP20 Enclosure (optional NEMA 1 type conduit box kits are available)
  • Conforms to global standards: UL, c-UL, CSA, and CE

Locate Your Nearest Representative

Our comprehensive sales and service network extends throughout North and South America. Enter your zip code to find the Sumitomo facility, sales representative, and distributor in your region.


Sumitomo's product Configurator is live! Select the ideal Sumitomo product for your application, download 2-D and 3-D CAD drawings and models, and print out a technical spec sheet of your configuration!
Click here to get started! Sumitomo's Product Configurator

Website Feedback

Do you have questions or comments regarding our website? Click below to submit feedback!

Submit your comments here>