What is the maximum size breaker permitted for breaker “B” to protect transformer “T”? Assume conductor 2 are sized to handle 400 AMPS if the computed size does not correspond to a standard size breaker the next standard size may be used.

What is the maximum size breaker permitted for breaker “B” to protect transformer “T”? Assume conductor 2 are sized to handle 400 AMPS if the computed size does not correspond to a standard size breaker the next standard size may be used.