Type A, single-throw and double-throw, non-fusible knife switches have a corrosion resistant finish, are mounted on GPO-3 bases and have high clips and hinges. The high clips and hinges simplify the front-of-board connections. Available 30 Amp thru 2000 Amp.
Fusible Type A knife switches are arranged with fuse holders which will accept standard code fuses. When mounted on a panel the single-throw switch is fusible at the bottom. Available 30 Amp through 600 Amp at 250, 480 or 600 volt.
Ratings: Ampere ratings of Type A, non-fusible, knife switches are based on a temperature rise of not more than 30 degrees C. above an ambient temperature of not more than 40 degrees C. when mounted in open air. Enclosed ratings are based on the switches being mounted in enclosures with adequate ventilation and with bus or cable of appropriate size.
Tags: change over switch