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Phase Sequence Indicator
Model ST-850 contains two functions in one unit and is designed to check phase sequence. It is designed to check phase sequence. Lamps provided on the unit will tell you whether phase is open or which phase is open at a glance.
Highly reliable. Model ST-850 contains two functions in one unit and is designed to check phase sequence. It is designed to check phase sequence. Lamps provided on the unit will tell you whether phase is open or which phase is open at a glance.Highly reliable. Large size alligator clips. Can easily hold terminals of switchboards. Allow you to check a wide range of 3-phase power source from 90V to 600V.Large size alligator clips. Can easily hold terminals of switchboards. Allow you to check a wide range of 3-phase power source from 90V to 600V.
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