Question: 1 point 2 0 . For a breaker rated at 8 0 0 amperes with an instantaneous trip setting of 4 ( IT = 4

1 point
20. For a breaker rated at 800 amperes with an instantaneous trip setting of 4(IT=4X), calculate the approximate lowest fault current at which the breaker will unlatch in its instantaneous trip region.
a.1,600A
b.2,400A
c.3,200A
d.6,400A
1 point 2 0 . For a breaker rated at 8 0 0

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