Marine Electrical Systems USCG Question #1206 (Set 41)

Using the illustrated catalog number selection chart, determine the correct catalog number for a motor starter that meets the following selection criteria: a 3-pole, vertically mounted, NEMA reversing starter with an open enclosure rated at 45 continuous amperes, fitted with an electronic overload relay with a ground fault feature set and an operating coil rated at 24 VAC/60Hz. EL-0180

USCG Exam Illustration EL-0180
USCG Examination Diagram: Illustration EL-0180
Official USCG Answer & Rule Citation

Correct Answer: Option A — AN59GNVT5G045

Selecting the correct NEMA starter requires precise adherence to the manufacturer's catalog matrix. The code AN59GNVT5G045 correctly identifies the 3-pole reversing configuration, vertical mounting, open enclosure, 45-ampere rating, electronic overload with ground fault protection, and the specific 24 VAC/60Hz operating coil required for the vessel's control system architecture.

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