IEEE P841/D5, Jan 09
Cooled (TEFC) Squirrel Cage Induction Motors-Up to and Including 370 Kw (500 hp)
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- Language: English
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- Language: English
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About This Item
P841/D5, Jan 09 is a technical standard focused on cooled, totally enclosed fan-cooled (TEFC) squirrel cage induction motors up to and including 370 kW (500 hp). It addresses the design and performance expectations for these motors within power, energy, and industrial applications, helping buyers and engineers reference a defined specification. Used as a procurement and engineering reference, it supports consistent motor selection, evaluation, and compliance decisions for medium- to high-power drive systems.
Overview of P841/D5, Jan 09
This standard provides a focused framework for cooled TEFC squirrel cage induction motors, with attention to ratings, construction, and operating characteristics relevant to this motor class. P841/D5, Jan 09 is most useful where equipment must meet defined electrical and mechanical expectations across similar installations. In practice, it helps align design documentation, testing considerations, and purchasing requirements so that motors intended for industrial duty are compared on a common basis.
Typical use cases
P841/D5, Jan 09 is typically relevant for specifying motors used in pumps, fans, compressors, conveyors, and other fixed industrial drives where TEFC cooling and squirrel cage construction are common. It may be applied in power generation facilities, process plants, utilities, and large mechanical systems that rely on dependable motor performance. Engineers and procurement teams can use it when reviewing motor ratings, enclosure type, and duty suitability for equipment up to 370 kW (500 hp).
Why it matters
For projects that depend on consistent motor performance, P841/D5, Jan 09 helps reduce uncertainty in design and procurement. It supports clearer expectations for cooling, enclosure characteristics, and motor rating limits, which can improve compatibility with the intended application. Using a defined standard can also simplify technical review, comparison of supplier offerings, and acceptance testing, while lowering the risk of mismatched equipment or avoidable installation issues in power and industrial systems.
- Cooled TEFC squirrel cage induction motors
- Up to and including 370 kW (500 hp)
- Industrial power and energy applications
- Design, rating, and performance reference
- Procurement and compliance support
- Publication Date: 2009
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications
- Official IEEE: Doi link
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