INSTRUCTIONS AND MAINTENANCE MANUAL
MAC R MOTORS
PAGE:
15
CODE: CTT12 EDITION: 01 DATE: MAY 2013
Subject to technical changes without prior notice
3.3.4
IC Cooling Method
The type of cooling used in electrical machines is regulated by the IEC/EN 60034-6 standard. In order to identify
the type of cooling used in each motor, it is also given a code similar to the IP protection rating. There are two
types of code: full indication (e.g. IC9A7W7) and simplified indication (e.g. IC97W). Both begin with the initials IC
(International Cooling).
The following table shows the types of cooling most commonly used in MAC R motors:
SIMPLIFIED
INDICATION
FULL
INDICATION
EN60034-6
DESCRIPTION
IC410
IC4A1A0
Cooling of the housing surface, using the surrounding medium, by
means of free convection
IC411
IC4A1A1
Cooling of the housing surface, using the surrounding medium, by
means of own circulation
IC416
IC4A1A6
Cooling of the housing surface, using the surrounding medium, by
means of an independent part fitted on the machine
Table 7: Cooling types
