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differential relay

Differential bus protection relay


Paralleling relay – type HAS-111DG

The HAS-111DG synchroniser is applied to check the synchronisation conditions. It can be used in installations requiring manual or semi-automatic synchronisation (e.g. tie breakers).


Features include
> Synchronisation of generator to busbar

> Setting of phase angle difference

> Setting of frequency and voltage difference

> LED indication of status

> LED for synchronising signal

> 35 mm DIN rail or base-mounting


The paralleling relay transmits a synchronisation pulse when the phase angle, frequency and voltage deviations are within the set limits. Moreover, the HAS-111DG is equipped with 2 analogue outputs. These outputs can be used for regulating purposes together with DEIF A/S Load Sharing Units


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