Electrical Engineering · DC Motor Starters
In a conventional DC motor starter, which protective device releases the starter handle arm during a supply failure or open field circuit to allow a spring to pull it back to the OFF position?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Bimetallic strip release switch
- 2Thermal overload relay switch
- 3Over-current release coil
- 4Hold-on coil (No-volt release coil)✓
Correct answer
Hold-on coil (No-volt release coil)
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