@ che12345 , unfortunately not my choice . This is expected voltage on a power cell which are cascaded to achieve 14KV. The vacuum contactor I use is "free" plus it suits to the harsh regime this design is intended for. The project is located in Canada .
Hi. I am new to Electrical Design (in fact this is the first project). My load is rated 1000V /800A . The main disconnecting means is a vacuum contactor 4KV ( overkill I know but not my decision). My manager asked for disconnecting switch and I have hard time to find something at 1000V (...