The resettable MV quencher

SIQuench is an active arc effect mitigating system by Siemens, quenching the internal arc in sub-cycle times. It dramatically reduces pressure and avoids thermal, contamination and toxicity effects which are damaging the equipment with its surroundings. In the event of an internal arc fault it minimizes the duration of downtime for operations resulting in drastically reduced economic.

Product brochure

 Two types available 

More details in the video