IEEE 841-2001
Cooled (TEFC) Squirrel Cage Induction Motors - Up to and Including 370 kW (500 hp)
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- Language: English
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About This Item
841-2001 is a technical standard for cooled, totally enclosed fan-cooled (TEFC) squirrel cage induction motors rated up to and including 370 kW (500 hp). It addresses motor construction and performance expectations for power, energy and industrial applications, helping engineers and buyers compare equipment on a common basis. For projects that depend on reliable motor selection, 841-2001 supports clearer specifications and more consistent procurement decisions.
About 841-2001
This standard sets out requirements for large TEFC squirrel cage induction motors used in demanding service, where cooling, enclosure design, and operating performance are important. As a superseded document, 841-2001 is mainly useful for understanding the earlier requirements associated with this motor class and for checking historical specifications. It is relevant when reviewing design details, rating expectations, and construction features that affect how the motor performs in industrial duty.
Where is 841-2001 used?
841-2001 is typically used where rugged, enclosed induction motors are needed for continuous or heavy-duty operation. Common applications may include pumps, compressors, blowers, fans, conveyors, and other rotating equipment in power generation, process plants, and general industrial installations. Because the subtitle defines the motor type and output range, the standard is most useful in engineering workflows that specify medium-to-large TEFC motors for controlled performance and dependable operation.
Importance in practice
In practice, 841-2001 helps reduce ambiguity in motor design and procurement by giving a defined reference for this class of TEFC squirrel cage induction motors. That can improve consistency across specifications, testing, and vendor evaluation, especially when performance and reliability matter. It also supports clearer communication between engineers, purchasers, and maintenance teams, which can lower selection risk and help ensure the motor aligns with the intended operating conditions.
- TEFC squirrel cage induction motor scope
- Up to 370 kW (500 hp) rating
- Industrial power and energy applications
- Construction and performance reference
- Superseded technical document
- Publication Date: 2001
- Standard Status: Superseded
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications
- Official IEEE: Doi link
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