What happens if the magnitude of fault current increases? All Questions › Category: Switchgear And Protection › What happens if the magnitude of fault current increases? 0 Vote Up Vote Down CS Electrical And Electronics Staff asked 3 years ago I need a short. 1 Answers 0 Vote Up Vote Down CS Electrical And Electronics Staff answered 3 years ago As the magnitude of fault current increases, the operating time decreases. It means the relay lesser time to detect larger fault currents.