Operation is accomplished by rotation of the hinge insulator.
Proven by years of field experience, this switch takes full advantage of unique construction methods to provide both simple operation and long term reliability. The ASB is commonly used for three-phase line and substation applications. These applications include transformer or line disconnecting, breaker isolating or bypassing, and bus sectionalizing. The ASB may be mounted horizontal upright, vertical, or underhung, with group operation either by manual or motor operator. The ASB has been extensively tested to meet or exceed current ANSI standards, both electrical and mechanical .