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GE Motors
X$D Ultra841 - NEMA Premium Extra Severe Duty Motors

X$D Ultra841 - NEMA Premium Extra Severe Duty Motors

Product catalog summary

Introduction
The document provides detailed information about the X$D Ultra7 841 motors by GE, designed for extra severe duty applications. These motors are built to meet or exceed the IEEE 841-2001 Standard and are part of GE's commitment to innovation and environmental responsibility.

Specifications
The X$D Ultra7 841 motors are available in frames 143-449 and power ratings from 3/4 to 250 HP. They feature advanced insulation and bearing systems, a 5-year warranty, and compliance with NEMA Premium7 efficiency standards.

Performance and Environmental Benefits
Replacing older motors with the X$D Ultra7 841 can significantly reduce energy consumption and greenhouse gas emissions. For example, replacing a 100HP motor can save enough energy to power two US households for a year and reduce emissions by 20 tons annually.

Bearing System
The Six Star Bearing SystemTM ensures maximum bearing life, featuring oversized bearings, IP55 protection, and a fully charged lubrication system. The design includes a gasketed cast-iron bearing cap and finned endshield for improved heat dissipation.

Reliability and Durability
GE's motors are known for their reliability in demanding environments. The X$D Ultra7 841 includes features like a rugged cast iron frame, vibration pads, and a 5-year warranty. It has been tested to withstand 1,000,000 plug reversals.

Corrosion Protection
The motor components are made from cast iron and coated to resist rust. An epoxy ester paint system and corrosion-resistant hardware ensure durability in harsh environments.

Serviceability
The design includes features for easy service, such as an oversized conduit box and dual mounting holes. The stator core is centered for easy conversion to different mounting configurations.

Safety Features
Safety is enhanced with a 4-point lifting system, grease fittings positioned for safe regreasing, and additional ground terminals for operational safety.

Inverter Duty Application
The GEGARD2000TM insulation system supports inverter duty applications, withstanding voltage spikes and offering a wide variable torque speed range.

Product Range
The document includes a detailed table of motor specifications, covering various horsepower, RPM, frame sizes, and voltage ratings.

Conclusion
The X$D Ultra7 841 motors by GE offer superior performance, reliability, and environmental benefits, making them a suitable choice for severe duty applications.

Catalog excerpts

Extra Severe Duty Motors

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GE sets the standard... We are dedicated to the future. Since Edison’s time at the leading edge of discovery, GE’s mission has remained steadfast: to not only meet the world’s changing needs, but to anticipate them. With ecomagination, GE imagines and builds innovative solutions that help customers meet environmental challenges and improve their operating performance, while also benefiting the company and the world. As a global leader in energy, technology, manufacturing and infrastructure, GE is uniquely suited to help solve environmental dilemmas – today and for generations to come. X$D Ultra7...

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X$D Ultra841 - NEMA Premium Extra Severe Duty Motors-3

...with powerful features. Superior Performance The X$D Ultra® 841 meets or exceeds NEMA Premium® Nominal efficiencies and exceeds all NEMA Premium® minimum guaranteed efficiencies. Each motor comes with its own test report demonstrating performance compliant with the IEEE 841-2001 specification. • Overall vibration is 0.04 inches per second vs 0.08 inches (0.06 for 8 pole) per second per IEEE 841. This helps to extend the life of the motor and the connected equipment. • Total shaft runout is 0.001" for shafts 0.0015" for shaft diameters greater than 1.625" for ball bearing machines. • GEGARD2000™...

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X$D Ultra841 - NEMA Premium Extra Severe Duty Motors-4

Inverter Duty Application exceeds both the IEEE 841-2001 specifi- cation and the requirements of NEMA repeated 0.1 microsecond rise time/2000 volt spikes for 460 and 575 line voltages. • Every X$D Ultra® 841 is compatible for optional shaft encoder can be installed for true closed-loop control. • Opposite drive end shaft is drilled and tapped to accommodate an optional stub shaft adapter. This supports a tether style encoder on 4 pole and slower motors. • Infinite! variable torque speed range and 20:1 constant torque* speed range * 2 pole motors have a 4:1 constant torque speed range Superior...

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...with a complete selection. ' For ratings not listed consult your local GE representative

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460 Typical Volt Performance Data Actual performance data for particular ratings can be found through using EliteNef GE Motors - Fort Wayne, IN 46802 © 2006 General Electric Company All Rights Reserved. GE, @, ecomagination, X$D Ultra, GEGARD2000, and Six Star Bearing System are trademarks and a service mark of General Electric Company. Inpro/Seal® is a trademark of Inpro/Seal Company. NEMA Premium is a trademark of NEMA.

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