Marine Electrical Systems USCG Question #784 (Set 27)

Which of the following contactors or relays has a timing function for the transition from start to run? EL-0080

USCG Exam Illustration EL-0080
USCG Examination Diagram: Illustration EL-0080
Official USCG Answer & Rule Citation

Correct Answer: Option D — KA1

In standard motor starting schematics, timing relay KA1 introduces a controlled time delay to govern the smooth transition from the starting configuration (such as star-delta or autotransformer) to the full-voltage running state.

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