USCG USCG Electrical
Set 4 • Question #112 of 142
Launch Interactive Practice Room The main difference between a motor control circuit containing low voltage release and low voltage protection is that the latter contains __________.
A
a magnetic operating coil
B
normally open line contacts
C
thermal-overload protection
D
a momentary-contact start button
✓ Correct Answer
USCG NMC Regulatory Explanation
Low Voltage Release (LVR) automatically restarts vital propulsion auxiliaries when power is restored after a voltage failure, whereas Low Voltage Protection (LVP) requires manual push-button reset to protect personnel on non-continuous machinery.
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