Motor controlsQuestion 82 of 1506

A three-phase contactor feeds a motor through terminals L1, L2, L3. What are the output terminals usually labelled?

  1. A1, A2 and A3
  2. M1, M2 and M3
  3. N1, N2 and N3
  4. T1, T2 and T3
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Correct answer: T1, T2 and T3

Power goes in at L1, L2, L3 and leaves through the overload at T1, T2, T3.

Source: Lessons in Electric Circuits IV: Digital (Kuphaldt), 5.2: Contactors

Practice motor controls

Questions last reviewed: 18 October 2026