IEEE P841.1/D1, Jan 2022
International Energy Efficient Class 3 (IE3) (Premium-Efficiency), Severe-Duty, Totally Enclosed Frame Surface Cooled Squirrel Cage Induction Motors - 0.75 kW to 370 kW (1 hp to 500 hp)
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Language: English
License Type: Single User
Updates: Not Included
About This Item
P841.1/D1, Jan 2022 is a technical standard for international energy-efficient Class 3 (IE3) premium-efficiency severe-duty totally enclosed frame surface cooled squirrel cage induction motors rated from 0.75 kW to 370 kW (1 hp to 500 hp). It provides a focused reference for motor performance, construction, and expected operating characteristics in power and industrial applications. For engineers, buyers, and compliance teams, this standard helps align procurement and design decisions around consistent efficiency and duty expectations.
What is P841.1/D1, Jan 2022?
P841.1/D1, Jan 2022 defines a technical framework for severe-duty, totally enclosed frame surface cooled squirrel cage induction motors within the IE3 premium-efficiency class. The document is relevant to motor design and evaluation across a wide power range, from small industrial drives to larger equipment. By setting a common reference for these motors, the standard supports clearer specification, comparison, and compliance checking when selecting products for demanding electrical and mechanical service conditions.
Where is P841.1/D1, Jan 2022 used?
This standard is typically used in industrial equipment where high-efficiency induction motors are specified for continuous or rugged service. Common applications may include pumps, fans, compressors, conveyors, process machinery, and packaged mechanical systems. Because it addresses severe-duty, totally enclosed frame surface cooled construction, it is especially relevant where contamination, airflow limits, or operating reliability are important. It is also useful in procurement and engineering workflows that need a clear basis for matching motor ratings to system requirements.
Why is P841.1/D1, Jan 2022 important?
P841.1/D1, Jan 2022 matters because it helps reduce uncertainty in motor selection, testing, and acceptance. A defined standard supports consistent efficiency expectations, better design control, and more reliable comparison between products. For purchasers and specifiers, it can simplify documentation review and help confirm that a motor matches the intended duty and enclosure type. In practice, that can lower integration risk, improve performance consistency, and support more confident compliance decisions in industrial power applications.
- IE3 premium-efficiency motor class
- Severe-duty induction motor scope
- Totally enclosed frame surface cooled design
- 0.75 kW to 370 kW rating range
- Power and industrial application context
- Publication Date: 2022
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications
- Official IEEE: Doi link
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