Question 283Electricity/Electronics - Assistant Engineer70% to pass
As shown in the illustrated feeder disconnect controller, what statement is true? Illustration EL-0138
AI Explanation
The correct answer is A) the feeder disconnect contactor remains closed on a loss of power.
This is because the feeder disconnect contactor is designed to remain closed on a loss of power, which ensures that the connected equipment continues to receive power even in the event of a power failure. This is a key safety feature to prevent disruption of critical systems.
The other options are incorrect - B) the feeder disconnect contactor is electrically latched, C) the feeder disconnect contactor is electrically tripped, and D) the feeder disconnect contactor is mechanically closed do not accurately describe the behavior of the feeder disconnect contactor as shown in the illustration.
Related Questions
#281 Which of the following contactors or relays has a timing function for the transition from start to run? Illustration EL-0080 #282 As shown in the illustration, what type of motor and motor starter are featured? Illustration EL-0136 #284 Autotransformer starters, sometimes called starting compensators, are sometimes used with larger polyphase induction motors. What function do they perform? #285 As shown in figure "A" of the illustration, what is the purpose of the "test button"? Illustration EL-0178 #286 With what kind of starting equipment are most three-phase induction motors of five horsepower or less started?