Automatic disconnect switch 27 - 150 kV, 400 - 2 000 A | GB series

high-current

Heavier-duty, high power GB series is designed with sliding multiple finger contacts. These contacts minimize power loss due to environmental contamination because of the cleaning action of the wiping contact fingers. Standard units are for low current make or break. Arcing contacts can be added for higher current make only. They do not have an interrupting rating. Available in single pole, single throw, single or multi-pole, and double throw types, these switches are rated at 27 to 150kV PK test and 400 to 2000 amps RMS continuous; to 60,000 amps momentary, 10 cycle, and to 400,000 amps capacitor discharge, 20uSEC RC. Also available with 2 or more SPDT electrical auxiliary contacts or air valve type position indicators as optional accessories.