| 摘要 |
An operating voltage change and motor rotation reversal device for a dynamoelectric machine in the form of an induction motor has simplified structure and improved operational features. For single phase operation, a pre-configured jumper plug having four electrically conductive jumpers interconnects a multi-receptacle connector socket to complete winding and power connections for any one of four unique circuit combinations. For three-phase applications, a different and separate jumper plug having six electrically conductive jumpers provides two different mating relationships with six pairs of electrical receptacles in the connector socket so as to provide two unique circuit combinations.
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