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At least two types of 3-phase electric motor starter are available: Direct-On-Line (DOL) and Star-Delta.

For more information about how they work, and the differences between them, see the answers to the Related Questions shown below.

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15y ago

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Related Questions

What is the difference between dol and hdol?

Direct on line starter and Heavy direct on line starter...... in HDOL CT is fixed.


How do you work Dol starter?

A DOL or direct on line starter works by connecting the motor terminals directly to the power supply when they are energized. A DOL starter is the simplest type of motor starter.


Can DOL starter use for 50kw motor?

The answer is yes. I had seen 110kW pump start on DOL starter


Why DOL starter is used in industries in-spite it has disadvantages?

DOL starters are used in industries in-spite of its disadvantages because it is the simplest form of a motor starter. A DOL starter consists of a MCCB or circuit breaker, contactor, and an overload relay that is used for protection.


What are the different types of starter?

DOL, Star Delta, Soft starter, VFD


How do you on off dol starter with mobile?

with the help of senser


Direct online starter circuit diagram?

There is a link below for the DOL starter circuit.


Explain the function of direct online starter?

function of dol stater


What is meant by DOL direct on line?

DOL or Direct On Line is used when referring to induction motor starters. The simplest and most common type of motor starter is the Direct On Line. Some examples where a DOL starter would be used can include water pumps, compressors, conveyor belts and fans. A DOL starter can only be used if the sudden inrush of the motor starting does not cause voltage to drop excessively in the supply circuit.


What is the advantage of DOL starter?

for smooth operation and also to reduse starting current


What are different types of starters?

DOL, Star Delta, Soft starter, VFD


Is DOL starter is sufficient for 10HP 2880 RPM motor?

If the application is high starting torque, then go for star delta or soft starters. If not DOL will do.