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Phase Sequence & Open Phase Indicator

With this upgraded phase sequence and open phase indicator from Sperry Instruments, you can verify proper wiring and connection in 3-phase motor applications. The PSI8031 features a compact design and is lightweight for easy handling. It operates from (1) 9V battery (included) for easy replacement and is CAT III 600V. The indicator is built with LED indication of phase wiring and is covered in a shock resistant plastic housing. The PSI8031 phase sequence and open phase indicator is the perfect addition to any electrician's tool bag.


  • Non-contact rotation direction for single-phase and three-phase motors, no test leads needed.
  • Phase sequence detection via included test leads / alligator clips.
  • Visual rotation indication.
  • Color coded test leads.
  • Double insulated alligator clips for increased protection.
  • Includes carrying case, test leads and alligator clips.
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19107018 Phase Sequence Indicator Sperry PSI8031 (1 MIN) 123.97 1 EA
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