kssschsekhar
Electrical
Dear Folks,
In market, 11kV vacuum contactors are available with 8 to 10kA short circuit withstand capability for one second.
If 11kV Switchgear is required to design for 25kA, 3sec, how can we use the contactors (8kA, 1sec) with fuses for the 25kA, 3sec switchgear?
In market, 11kV vacuum contactors are available with 8 to 10kA short circuit withstand capability for one second.
If 11kV Switchgear is required to design for 25kA, 3sec, how can we use the contactors (8kA, 1sec) with fuses for the 25kA, 3sec switchgear?