FAES are earthing switches capable of switching induced currents. These induced currents are normally arising either by cables (hence the normal use in GIS) and/or long, adjacent parallel energized lines. IEC 62271-102 Annex C defines the induced currents values as per two classes A and B.
More questions about FAES:
High Voltage Products
If you want to purchase a product, need any pricing information or need help or support from ABB, please contact your local partner.