Overvoltage Protection Units

The Current Transformer Overvoltage Protection Unit (CTOP) consists of three identical voltage clamping circuits mounted on a printed circuit board. Each circuit is designed to clip the output voltage of an attached current transformer to a maximum of 400 V, in the event of a fault.


Protects hazardous areas

  • ATEX certified for use in hazardous areas

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Quartzteq GmbH
Rue des Finettes 54
1920 Martigny