| 摘要 |
8 48,485 It has been found in accordance with this invention that a more convenient arrangement for connecting a plurality of drawout motor controllers to a neutral conductor in the control center for distributing electric power from a power supply to power consuming units, comprising a cabinet having a plurality of vertically disposed compartments on at least one side of the cabinet, a plurality of vertical, horizontally spaced bus bars in the cabinet, a circuit breaker in at least one compartment and movable into and out of a position adjacent to the bus bars, each bus bar comprising at least a portion in a plane aligned with the direction of movement of the circuit breaker, the circuit breaker having bus bar connectors movable into and out of electrical connection with corresponding bus bars, the circuit breaker having an enclosure including a side wall comprised of electrically conductive material, a neutral bus bar vertically disposed in the cabinet, and a neutral bus bar connector on the circuit breaker and movable into and out of connection with the neutral bus bar when the circuit breaker moves into and out of the control center. |
