SR EN 60071-1:2006

Insulation co-ordination -- Part 1: Definitions, principles and rules

IEC 60071-1:2006 applies to three-phase a.c. systems having a highest voltage for equipment above 1 kV. It specifies the procedure for the selection of the rated withstand voltages for the phase-to-earth, phase-to-phase and longitudinal insulation of the equipment and the installations of these systems. It also gives the lists of the standard withstand voltages from which the rated withstand voltages should be selected. This standard recommends that the selected withstand voltages should be associated with the highest voltage for equipment. This association is for insulation co-ordination purposes only. The requirements for human safety are not covered by this standard. Although the principles of this standard also apply to transmission line insulation, the values of their withstand voltages may be different from the standard rated withstand voltages. The apparatus committees are responsible for specifying the rated withstand voltages and the test procedures suitable for the relevant equipment taking into consideration the recommendations of this standard. NOTE: In IEC 60071-2

51.88

Status : Withdrawn
Approval date : 11/14/2006
Publish date : 11/16/2006
Withdrawal date : 9/12/2022
Number of pages : 38
ICS : 29.080.30 Insulation systems
Technical Committee : 162 - Insulation co-ordination

Relations with other standards: