breaker sizing

zooby

Senior Member
Location
Indiana
Occupation
maint. electrician
Scenario--- padmount to ATS -"normal power" lands on 200A CB.
150A CB at generator to ATS emerg. power. I not saying this is wrong but curious why not use a 200A at the generator? Thoughts ?
 
I would think the 150 amp was designed to protect the generator (as well as the load size conductors).
What kw is the generator ?
 
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