The 3723912 comparator can be used (PDU and VPIS) up to 7.2 kV.
Between 10 and 24 kV there are two options: PDU/VPIS: use the 3730139HC adaptor in addition. VPIS/VPIS: the comparator can be used on its own. The 3723912 comparator is suitable for all cases apart from PDU/VPIS between 10 and 24 kV.
Between 10 and 24 kV there are two options: PDU/VPIS: use the 3730139HC adaptor in addition. VPIS/VPIS: the comparator can be used on its own. The 3723912 comparator is suitable for all cases apart from PDU/VPIS between 10 and 24 kV.