This International Standard applies to fixed inductors designed for electromagnetic interference suppression and which fall within the scope of the generic specification, IEC 60938-1. It is restricted to fixed inductors for which safety tests are appropriate. This implies that inductors specified according to this specification will either be connected to mains supplies, when compliance with the mandatory tests of table 1 is necessary, or used in other circuit positions where the equipment specification prescribes that some or all of these safety tests are required.
This standard applies to fixed inductors which will be connected to an a.c. mains or other supply with a nominal voltage not exceeding 1 000 V a.c. (r.m.s.) or d.c. between conductors and with a nominal frequency not exceeding 400 Hz.
IEC 60938-2:1999 history
2021IEC 60938-2:2021 Fixed inductors for electromagnetic interference suppression - Part 2: Sectional specification on power line chokes
2006IEC 60938-2:1999/AMD1:2006 AMENDMENT 1 Fixed inductors for electromagnetic interference suppression – Part 2: Sectional specification (Edition 2.0)
2006IEC 60938-2:2006 Fixed inductors for electromagnetic interference suppression - Part 2: Sectional specification
1999IEC 60938-2:1999 Fixed inductors for electromagnetic interference suppression - Part 2: Sectional specification
1988IEC 60938-2:1988 Fixed inductors for radio interference suppression. Part 2: Sectional specification - Selection of methods of test and general requirements