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How to use the motor search tool narrow your search by selecting motor type gearbox voltage and phase options for your desired motor yellow represents selected option dark gray represents available options light gray represents options not available with previously selected criteria. These diagrams are current at the time of publication check the wiring diagram supplied with the motor note refer to the motor manufacturers data on the motor for wiring diagrams on standard frame ex e ex d etc motors inst maint wiringqxd 5 03 2008 1002 am page 6. Three phase motor power control wiring diagrams 3 phase motor power control wiring diagrams three phase motor connection schematic power and control. Diagram this type of motor control centers recommended for small projects where a limited number of starts are involved nema class ii class ii motor control center is same as class i except it includes all necessary interlocking and inter wiring between the units it also provides remote interlocking manufacturer provides drawings indicating all necessary interconnections nema class is . Always use wiring diagram supplied on motor nameplate for motors without thermal protection single voltage single rotation single voltage reversible rotation dual voltage single rotation split phase motor dual voltage reversible rotation capacitor motor single phase wiring diagrams always use wiring diagram supplied on motor nameplate w2 cj2 ui vi wi w2 cj2 ui vi wi a cow voltage y