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Engine_2014 : Electricity - 510/2299
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As shown in the illustrated electronic overload relay, if the full load amp setting accurately represents the motor full load current of 4.5 amps and the definite time (D-time) setting is 25 sec. as shown, what statement is true assuming that the locked rotor current is 6 times the full load current.
A) The relay will trip in 25 seconds or less at a current equal to 4.5 amps.
B) The relay will trip in 6 seconds or less at a current equal to 112.5 amps.
C) The relay will trip in 6 seconds or less at a current equal to 27 amps.
D) They relay will trip in 25 seconds or less at a current equal to 27 amps.
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