— High Voltage · Phase Sequence

PSI-1 Phase Sequence Indicator — Disc Rotating Type

Disc-rotating phase sequence indicator, bakelite body, 100–500 V AC.

PSI-1 — Phase Sequence Indicator — Disc Rotating Type

CIE® Guarantee

  • CIE® Registered Trade Mark
  • Calibrated Before Despatch
  • 12-Month Warranty
  • Made in India
  • Custom Ranges Available

About This Instrument

The PSI-1 is a disc-rotating phase sequence indicator in a bakelite body. Visually indicates phase sequence of a 3-phase AC supply from 100 V to 500 V. Supplied with R/Y/B leads and carrying case.

Technical Specifications

Specification Value
Indication Method Disc rotation
Body Bakelite
Operating Voltage 100–500 V AC
Accessories R/Y/B test leads and carrying case (supplied)
Warranty 12 months against manufacturing defects

What's Included

  • R/Y/B test leads
  • Carrying case

Key Applications

  • 3-phase supply phase sequence verification
  • Motor connection commissioning
  • Panel and switchboard testing

12-Month Warranty · Direct After-Sales Support

Every CIE® instrument carries a 12-month warranty against manufacturing defects. After-sales support is handled directly by CIE — not a distributor network. Non-standard ranges or custom specifications can be manufactured to your requirement.

Interested in the PSI-1? Get a quote by email.

Email us with your model, quantity, and specification — we respond within one business day.