Rhomberg SP431 Phase+N Sequence/Failure/Asymmetry Relay

BRAND : Rhomberg

SP430 monitors 3 Phases only, SP431 monitors 3 Phases and Neutral

11-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 distortion

Insensitive to balanced supply variations - prevents nuisance tripping

Fast response to reversed phase sequence

Adjustable NPS sensitivity.

Relay ON LED

10A SPDT or 5A DPDT relay output.

SP430 Supersedes SP433.

Requires optional S3-B 11-pin base