IEEE C37.13a-2012

IEEE C37.13a-2012 PDF

Change item a) as follows: a) Stationary or drawout type of two-, three-, or four-pole construction with one or more rated maximum voltages of 1058 V, 730 V, 635 V (600 V for units incorporating fuses), 508 V, and 254 V for application on systems having nominal voltages of 1000 V, 690 V, 600 V, 480 V, and 240 V respectively. Amendment Standard - Superseded. Amendment to IEEE Std C37.13-2008. The addition of the maximum voltages of 1058 V, 730 V and nominal voltages of 1000 V, 690 V are addressed in this amendment. Updates are made with respect to the dielectric test voltages.