Applies to three phase alternating current systems having a highest voltage for equipment above 1 kV. Specifies the procedures for the selection of the standard withstand voltages for the phase to earth, phase to phase and longitudinal insulation of the equipment and the installations of these systems.
WITHDRAWN
HD 540.3 S1:1991
WITHDRAWN
EN 60071-1:1995
99.60
Withdrawal effective
Mar 1, 2009
WITHDRAWN
EN 60071-1:2006