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Supply Type
Manufacturer, Exporter, Supplier
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Preferred Buyer Location
All over the world
Two terminals are provided for the voltage input to the frequency sensing circuit the measurement of the frequency is digital for which only the zero crossing of the system voltage & not its amplitude are of consequence the relay is independent of the voltage fluctuations with a wide range. However the system voltage sink below a predetermined value in which the accurate measurement can no longer be expected the under voltage blocking circuit blocks all the outputs.One operate time can give to each frequency stage.