In addition to IEC 61236-1, 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.