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← TechnologyWhich consequence results when exceeding industrial motor's inrush current limit?
A)Premature Circuit Breaker (CB) tripping✓
B)Harmonic distortion increases sharply
C)Motor shaft fractures immediately occurs
D)Bearing eccentricity generates resonances
💡 Explanation
Exceeding inrush current triggers `magnetic saturation` within the circuit breaker's trip coil protective relay, because that saturation overcomes the spring tension of the actuator; therefore, the CB trips prematurely, rather than the motor windings immediately failing due to overcurrent.
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