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IEEE 841-2021 pdf free download - IEEE Standard for Petroleum and Chemical Industry— Premium-Efciency, Severe-Duty, Totally Enclosed Squirrel Cage Inducton Motors from 0.75 kW to 370 kW (1 hp to 500 hp). 5.2 Frame assignments To the...

IEEE 841-2009 pdf free download - IEEE Standard for Petroleum and Chemical Industry—Premium- Efficiency, Severe-Duty, Totally Enclosed Fan-Cooled (TEFC) Squirrel Cage Induction Motors—Up to and Including 370 kW (500 hp) 3. Service conditions 3.1 Usual service conditions...