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PSI-1
Phase Sequence Indicator - Disc Rotating Type
Disc-rotating phase sequence indicator, bakelite body, 100–500 V AC.
Phase Sequence · Indicators
PSI-2 Phase Sequence Indicator - ABS Moulded
ABS moulded 96×96 mm phase sequence indicator, 50–500 V AC (position–dependent). Supplied with test leads.
CIE® Guarantee
- CIE® Registered Trade Mark
- Calibrated Before Despatch
- 12-Month Warranty
- Made in India
- Custom Ranges Available
About This Instrument
The PSI-2 is a phase sequence indicator in a compact ABS moulded enclosure (96×96×45 mm), suitable for panel mounting or handheld use. It verifies the phase rotation (RYB or RBY) of a 3-phase AC supply before motors, generators, or other rotating equipment are energised - incorrect phase sequence causes reverse motor rotation, which can damage connected machinery or create safety hazards. The PSI-2 is more compact than the disc-rotating PSI-1 and is preferred where a smaller form factor is needed. Used by commissioning engineers, electrical contractors, panel builders, and industrial maintenance teams across India.
Technical Specifications
| Specification | Value |
|---|---|
| Body | ABS moulded |
| Dimensions | 96 × 96 × 45 mm |
| Operating Voltage (Horizontal) | 50–500 V AC |
| Operating Voltage (Vertical) | 100–500 V AC |
| Frequency | 25–60 Hz |
| Rating | 30 seconds at 500 V |
| Burden | 15 VA at 500 V |
| Important | Not to be left in the circuit |
| Accessories | Test leads (supplied) |
| Warranty | 12 months against manufacturing defects only |
What's Included
- Test leads
Key Applications
- 3-phase phase sequence check
- Switchboard commissioning
- Motor connection verification
12-Month Warranty · Direct After-Sales Support
Every CIE® instrument carries a 12-month warranty against manufacturing defects only. After-sales support is handled directly by CIE - not a distributor network. Non-standard ranges or custom specifications can be manufactured to your requirement.
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