50W – 7kW, Low Inertia
The general-purpose workhorse of the Sigma-7 line, SGM7A is available in a wide range of sizes and covers the capacity spectrum from low to medium power. Each of these brushless rotary servo motors is capable of producing a high rate of power at extremely low levels of inertia. SGM7A servos are also designed to deliver high torque performance when an application requires it. 24-bit encoder resolution maintains industry-leading positional accuracy across the power spectrum.

Enquiry Now


Specifications & Features


  • 24-bit encoder resolution for superior accuracy
  • More compact than other motors with similar ratings, for a better fit in tight spaces
  • Completely compatible with Sigma-5 servos
  • Neodymium iron boron permanent magnets with a high flux density reduce rotor size
  • Advanced magnetic circuitry and optimum winding geometry deliver very low cogging torque
  • Safety rated at  SIL 3 (IEC 61508)
  • IP67 rated for resistance to dust, water washdown
  • Functions in temperatures above 60oC, altitudes above 2000 ft.
  • Runs 20% cooler than previous generation products
  • Holding Brake and Shaft Seal options available

Download PDF

Download PDF

Tech Supplement
Download PDF

Transition Guide
Download PDF


There are no reviews yet.

Be the first to review “SGM7A”

Your email address will not be published. Required fields are marked *