Elektrotechnika

This part of IEC 62271 is applicable to prefabricated solid-insulation enclosed switchgear and controlgear assemblies designed for:

alternating current;

rated voltages above 1 kV and up to and including 52 kV;

service frequencies up to and including 60 Hz;

indoor installation;

areas limited to authorized personnel;

The assembly can include air-insulated and/or fluid-filled compartments.

For components installed in a solid-insulation enclosed switchgear and controlgear, this document supplements or even replaces in some cases, the requirements as stated by the individual product standards.

The list of components which may be inside the solid-insulation enclosed switchgear and controlgear is not limited to the ones explicitly cited in this document.

This part of IEC 60079 applies to service facilities and covers only those factors related to overhaul, repair or reclamation of Ex Equipment specifically designed for hazardous areas, where the hazard is caused by explosive atmospheres. Ex Equipment may be overhauled, repaired or reclaimed to mitigate deficiencies identified during operation inspection and maintenance:

NOTE 1 Service facilities can include users, manufacturers and third party repairers

It does not include:

advice on cable and wiring systems which can require a renewal when the equipment is re-installed;

Type of Protection “m”;

Ex Components;

Requirements for manufacturers who overhaul and repair equipment which they have manufactured,

NOTE 2 Manufactures who overhaul and repair equipment which they have manufactured might want to take into consideration the principles in this document with respect to marking and user records for the user’s verification records.