Rhomberg SP430 Phase Sequence/Failure/Asymmetry Relay

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P430 monitors 3 Phases only, SP431 monitors 3 Phases and Neutral11-pin plug-in.Fail-to-safe design.Monitoring on three phase supply.Sensitive to: NPS Voltage, Reverse phase sequence, loss of phase, phase imbalance, phase asymmetry.Insensitive to regenerated EMF.High stability under harmonic distortionInsensitive to balanced supply variations - prevents nuisance trippingFast response to reversed phase sequenceAdjustable NPS sensitivity.Relay ON LED10A SPDT or 5A DPDT relay output.SP430 Supersedes SP433.Requires optional S3-B 11-pin base

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Rhomberg SP430 Phase Sequence/Failure/Asymmetry Relay

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