Circuit Breakers

Air Circuit Breaker CHARACTERISTICS Rated current up to 10,000 A. Trip characteristics often fully adjustable including configurable trip thresholds and delays. Usually electronically controlled—some models are microprocessor controlled. Often used for main power distribution in large industrial plant, where the breakers are arranged in draw-out enclosures for ease of maintenance. Vacuum Circuit Breaker CHARACTERISTICS With…

Switch Disconnectors/Fuse Unit Selection

Most contractors make a common error in selecting the Switch Fuse Units (SFU) and HRC fuse links. Switchgears like SFUs should be selected according to the cable connected to feed the load. Switchgears are intended to protect the cable. By protecting the cable you protect the device from damage and save lives as well. For…