Electrical Symbols and Line Diagrams - University of Florida

5 Electric Motor Controls, G. Rockis, 2001 Electric Motor Controls, G. Rockis, 2001 ... A contactor has a frame, plunger, and coil like a solenoid. 9 Contactors The action of the plunger, however, is directed to close (or open) sets of contacts.

  Frame, Plunger