Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 2-4: Particular requirements - Test configurations, operational conditions and performance criteria for insulation monitoring devices according to IEC 61557-8 and f
Clause 1 of IEC 61326-1 applies except as follows:
Addition:
This part of IEC 61326 specifies more detailed test configurations, operational conditions and
performance criteria than IEC 61326-1 for equipment for
– insulation monitoring according to IEC 61557-8;
– insulation fault location according to IEC 61557-9.
This applies to insulation monitoring devices and insulation fault location systems
permanently or semi-permanently connected to the distribution system.