Model SPD480

SPD480 Phase Rotation Indicator by Test Products International

The TPI Model SPD480 Phase Rotation Indicator operates properly on variable frequency drives. Does not give false readings by pulsed waveforms.

Features

• Easy to operate - connect one lead to each phase
• Large alligator clips for easy connection to cables and bus bars
• Operates properly on variable frequency drives. Does not give false readings by pulsed waveforms
• Verify proper rotation on feeder extensions
• Determine phase rotation on secondary potential transformers

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