I know that ASCO manufactures 4000A ,440V AC 50Hz Automatic transfer switch. Can someone help me a alternate manufacturers of this product. my mail id is : shanbhag@sequentindia.com
You can contact Schneider Electrical - they have automatic transfer switch solutions.
Thank you Steven. i wanted help from you. We are manufacturers of LV,MV and automation panels. We have a 4000A 440V AC,50Hz switchboard
with 200(mm) x10(mm) x 2 runs busbar system and the busbars have to with stand 50 kA short circuit level. the ambient temperature is 40 degree celcius and IP is IP 54. Please guide me how do i calculate the temperature rise in the enclosure and what is the derating factor to be considered
for the busbars. It would be great help if you could give me the calculation chart.
Thank you. have a nice day.
Thank you Steven.. I have got the solution. for anyone who have a similar doubt please refer CR4 forum
http://cr4.globalspec.com.. This is a comprehensive detailing to be done for design of busbar system