Abstract: A pair of slides (20,22) linearly reciprocally movable in opposite directions by a single operator handle (36) carry pins (24,26) which are received within dog-leg slots (14a,14b; 14a',14b') of levers (14,14') affixed to rotary operating mechanisms (6,6') of repsective ones of a pair of switches (4,4') for operating one switch to an ON condition while maintaining the other switch in its OFF condition in response to handle (36) movement in one direction, and for operating the switches to their reverse conditions in response to handle movement in an opposite direction, both switches being in their OFF condition in a center neutral position of the handle. Fuses (40,42) are connected to load side terminals of the switches and are connected together in common with the load to remove power from the fuses when the switches are OFF.

Abstract: An operating mechanism for an enclosed circuit breaker is disclosed and comprises: a frame mounted within an enclosure; a linearly reciprocal handle slidably mounted to the frame for operating a circuit breaker within the enclosure and extending through an aperture in a door of the enclosure; and a latch pivotally mounted to the frame and cooperating with the handle and a catch on the door to perform interlocking functions whereby the door cannot be opened unless the handle is in an "off" position and whereby the handle cannot be moved to an "on" position unless the door is closed. A defeater is provided for manually pivoting the latch to defeat its interlocking functions.