A$D Ultra Inverter Duty

Reliably inverter duty motors

A$D Ultra is designed for optimized performance and longer life in tough industrial applications such as metal processing, plastic extrusion, winders, test stands, crane and hoist and material handling.

Designed for scalar or vector drive
Infinite:1 constant torque from zero to base speed
NEMA Premium® efficiency at 60Hz sinewave
Constant horsepower 1.5 times base speed
Runs at or below Class F temperature rise
Exceeds MG1-31 standards with GEGARD2800 insulation system
Five-year Warranty

Features & Benefits:

  • GE Inverter Duty Motors1.5Hp through 300Hp
  • 1,200 & 1,800RPM base speed
  • 230/460 & 460 Volt
  • Infinity: 1 CT speed range CH to 90Hz
  • IGBT Compatible
  • N/C thermostat
  • Opposite DE mounting face and stub shaft for tach mounting
  • C-face foot mount through 30 HP
  • Cast iron frame and brackets
  • Class F insulation
  • TEFC, TENV & TEBC available





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Small AC Motors

GE’s Power Conversion business offers a comprehensive range of motors and generators that serve our customers and their processes across a wide range of applications
IEEE 841 X$D Ultra® motors meet or exceed the IEEE 841-2009 standard. With an advanced bearing system and class H inverter duty insulation, a test report of each motor to ensure performance, five-year warranty, and all the advanced features that come standard, the X$D Ultra 841 is one of the most durable and reliable motors you can buy.
The X$D Ultra® family of products ranges from 1-350 HP and is built to the highest standards to maximize your return on investment. X$D Ultra is a complete cast iron NEMA Premium® Efficient motor. The Six Star Bearing System™ ensures long bearing life and is complemented by an overall vibration of 0.04 ips (inches per second), which is half of IEEE-841 standards.
Ultra Series Vertical Pump Motors
Ultra Series vertical pump motors combine all the benefits of rugged and reliable X$D Ultra materials with advanced thrust and cooling technologies.