IS 2253 : 1974 Designation for types of construction and mounting arrangement of rotating electrical machines

1 Scope

1.1 This standard lays down the designations of various types ofconstruction and mounting arrangements of rotating electricalmachines with endshield bearings and only one shaft extension.

2 References

IS 2223 : 1971Dimensions of flange mounted ac induction motors

IS 4691 : 1968Degrees of protection provided by enclosures for rotatingelectrical machinery

IS 6362 : 1971Designation of methods of cooling for rotating electricalmachines