Phase Failure Phase Sequence Relay, Plug-In 11 Pin Compression Fittings Key specification: 16A rating

Key specification: 16A rating

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Phase Failure Phase Sequence Relay, Plug-In 11 Pin Compression Fittings Key specification: 16A ratingThe A PFPSR Phase Failure Phase Sequence Relay checks that all three supply phases are present and in the correct rotational sequence before energising, protecting equipment from running on an incomplete or incorrectly phased supply. It is suitable for electricians and panel builders needing basic phase presence and sequence checking. Note this is not a motor control phase failure relay. Application: Phase presence and sequence checking on 3 phase