Motor Phase Rotation Indicator (MS5900)

+1

Brand New

Condition

CAT

Brand

Battery Tester

Type

Battery Voltage, Battery Resistance

Battery Tester Measurements

The Mastech MS5900 Motor Phase Rotation Indicator is a professional electrical testing instrument designed to determine phase sequence and motor rotation direction in three-phase electrical systems. It helps electricians, engineers, and maintenance technicians verify correct wiring before installing or servicing motors, generators, pumps, compressors, and other industrial equipment. The tester features bright LED indicators that clearly display phase sequence, clockwise or counterclockwise motor rotation, and wiring status for quick interpretation. It supports AC voltage ranges from 120–400 V and frequencies from 2–400 Hz, making it suitable for a wide range of industrial and commercial applications.

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