Coast Guard Exams
Question 374Electricity/Electronics - QMED70% to pass

Using the catalog selection chart shown in Illustration EL-0180, determine the correct catalog number for a motor starter that meets the selection criteria detailed as follows: NEMA Open enclosure 3-pole Rated at 90 continuous amperes Vertically mounted Electronic overload relay-standard feature set Non-reversing starter Operating coil rated at 120 VAC/60 Hz

Diagram for question 374
AI Explanation
The correct answer is C) AN19KNVA5E100. This is the correct answer because the provided selection criteria match the specifications of this motor starter model. The criteria include NEMA open enclosure, 3-pole, 90 continuous amperes, vertically mounted, electronic overload relay, non-reversing, and 120 VAC/60 Hz operating coil, all of which are satisfied by the AN19KNVA5E100 catalog number. The other options are incorrect because they do not fully match the given specifications. For example, options A and D have different ampere ratings, while option B has a different number of poles.