IEC 60034-7-2001 Rotating electrical machines - Part 7: Classification of types of construction, mounting arrangements and terminal box position (IM Code)

Language: English, French
International Standard IEC 60034-7 has been prepared by IEC by subcommittee 2H: Degrees of protection, methods of cooling and mounting arrangements, of IEC technical committee 2: Rotating machinery.
This second edition cancels and replaces the first edition published in 1972 and constitutes a technical revision.
This consolidated version of IEC 60034-7 is based on the second edition (1992) [documents 2H(CO)29 and 2H(CO)30], and its amendment 1 (2000) [documents 2/1095/FDIS and 2/1099/RVD].
It bears the edition number 2.1.
A vertical line in the margin shows where the base publication has been modified by amendment 1.
Annex A is for information only.Scope
This part of IEC 60034 specifies the IM Code, a classification of types of construction, mounting arrangements and the terminal box position of rotating electrical machines.
Two systems of classification are provided as follows:
– Code I (see section 2): An alpha-numeric designation applicable to machines with endshield bearing(s) and only one shaft extension.
– Code II (see section 3): An all-numeric designation applicable to a wider range of types of machines including types covered by Code I.
The type of machine not covered by Code II should be fully described in words.
The relationship between Code I and Code II is given in annex A.