IEEE P841.1/D3, Dec 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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Availability: Immediate Download
Language: English
License Type: Single User
Updates: Not Included
About This Item
P841.1/D3, Dec 2022 is a technical standard focused on 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 is relevant to power, energy, and industrial applications where motor performance, enclosure design, and efficiency classification matter. This specification helps define expectations for motor selection, testing, and compliance in demanding operating environments.
About P841.1/D3, Dec 2022
P841.1/D3, Dec 2022 addresses the technical requirements associated with IE3 premium-efficiency squirrel cage induction motors built for severe-duty service and totally enclosed frame surface cooled construction. The standard is useful where consistent efficiency ratings and durable motor design are needed across a defined power range. By setting a common reference for performance and construction, P841.1/D3, Dec 2022 supports clearer engineering decisions, procurement comparisons, and conformity checks for industrial motor applications.
Where is P841.1/D3, Dec 2022 used?
This standard is commonly used in installations that depend on rugged electric motors for continuous or demanding service, including pumps, compressors, fans, conveyors, and other driven equipment in industrial facilities. Its scope fits power and energy applications where energy efficiency and dependable operation are both important. In practice, P841.1/D3, Dec 2022 can guide motor specification for systems that require enclosed, surface-cooled designs and controlled performance across a wide horsepower range.
Importance in practice
P841.1/D3, Dec 2022 matters because it helps align motor design and purchasing requirements with a recognized efficiency class and service-duty expectation. That reduces ambiguity during design review, testing, and supplier evaluation. For operators and engineers, the standard can support more consistent performance, lower compliance risk, and better lifecycle planning for motors used in industrial energy systems. It is especially valuable when comparing products that must meet the same technical baseline.
- IE3 premium-efficiency classification
- Severe-duty motor construction
- Totally enclosed frame surface cooled design
- 0.75 kW to 370 kW power range
- Industrial performance and compliance reference
- Publication Date: 2022
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Geoscience; Power, Energy and Industry Applications
- Official IEEE: Doi link
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