AEMC instruments PMR-1 User Manual page 11

Phase & motor rotation tester

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Rotate the motor shaft counter-clockwise. If the counter-clock-

wise red LED turns on, it means the 3-phase motor connection

to the power source is in the A-B-C sequence and the 3-phase

motor should rotate clockwise when powered.

If you require the motor to rotate counter-clockwise, change

the power source connections to a B-A-C sequence. The

motor should then rotate counter-clockwise when powered.

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Phase & Motor Rotation Tester Model PMR-1

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Figure 2

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