(under subclass 68) Subject matter including a mechanical switch that is intended to disconnect the air-current blowout circuit breaker from the electric power source for maintenance, changing connections, and opening and closing circuits.
SEE OR SEARCH THIS CLASS, SUBCLASS:
12, for auxiliary shunt circuit interrupter.
45, for air-current blowout circuit interrupter.
67, for puffer piston circuit interrupter.
100, for liquid circuit interrupter.
SEE OR SEARCH CLASS 200, Electricity: Circuit Makers and Breakers,
48+, for details of a high potential type disconnect switch.