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.
IEEE C37.13a-2012
$15.00
IEEE Standard for Low-Voltage AC Power Circuit Breakers Used in Enclosures Amendment 1: Increase of Voltages to 1000 V AC and Below