
Form-wound Squirrel Cage Induction Motors—375 kW (500 Horsepower) and Larger, Sixth Edition
STANDARD published on 1.10.2026
Designation standards: API STD 541
Publication date standards: 1.10.2026
The number of pages: 192
Approximate weight : 607 g (1.34 lbs)
Country: American technical standard
Category: Technical standards API
This standard covers the minimum requirements for special-purpose form-wound squirrel cage induction motors 375 kW (500 hp) and larger for use in petroleum, chemical, and other industry applications. This standard can also be used for induction generators by substituting “generator” for “motor,” where applicable.