Answer Posted / nagesh.patwari

It's Gang Operated Device, It is a most commonly used switch in small to medium substations, Pole mounted Substations is a gang-operated, air-break disconnect switch.

The “Gang” refers to the three phases being electrically or mechanically tied together so that the 3 phases open at the same time. The “Air Break” refers to a visible break in the air that allows crews to see that the switch is truly open.

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