DOL Starter Control and Power Wiring diagram, DOL Starter

DOL Starter Control and Power Wiring Diagram

  • The Direct On Line Motor Starter (DOL) consist a MCCB or Circuit Breaker, Contactor and an overload relay for protection. Electromagnetic contactor which can be opened by the thermal overload relay under fault conditions.
  • Typically, the contactor will be controlled by separate start and stop buttons, and an auxiliary contact on the contactor is used, across the start button, as a hold in contact. I.e. the contactor is electrically latched closed while the motor is operating.

The DOL starter basically consists of two main protection parts

  1. Overcurrent Protection
  2. Overload Protection

↓↓↓↓↓↓↓↓↓↓↓  DIAGRAM  ↓↓↓↓↓↓↓↓↓↓↓


Related Videos

Holding Contact, Contactor Holding Circuit क्या है, NO NC of Stater :- https://youtu.be/ndWctTho_9E


NO & NC Push Button Working, NO NC kya hai , NO NC Connection in Hindi :- https://youtu.be/QY2H6Vk0Xdc


What is Contactor and its Function, How a Contactor Works(In Hindi) :- https://youtu.be/tHml7C5diHo

Working of MCB and its Construction (In Hindi) :- https://youtu.be/jvaka5_MxEM


Proper Connection of MCB with Different Conditions (In Hindi) :- https://youtu.be/VE2sDwb8IO0

Thermal Overload Relay Working and Construction :- https://youtu.be/mupDoOs-r8o




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