CONNECTION DEVICE FOR ELECTRICALLY CONNECTING THREE-PHASE MOTOR

摘要

PROBLEM TO BE SOLVED: To select a rotation direction and a connection type of a motor on the spot without requiring manual replugging and rewiring of a motor winding end section. SOLUTION: A connection device for electrically connecting a three-phase motor to a three-phase network is provided, the connection device including a main power source connection unit for connecting phase lines of the three-phase network and a motor connection unit for connecting winding end sections of the three-phase motor. An exchangeable coupling module is disposed between the main power source connection unit and the motor connection unit. Wiring elements of the coupling module electrically connect the wiring end sections to the phase lines of the three-phase network by a predetermined method. A first coupling module that connects the wiring in a delta connection and a second coupling module that connects the wiring in a star connection are provided. Each coupling module is adapted to be attached such that it is rotated by 180 degrees along an axis extending from the main power source connection unit to the motor connection unit. COPYRIGHT: (C)2011,JPO&INPIT