Star Delta Starter Wiring Diagram 3 phase With Timer
Star delta starter wiring diagram, this post is about the main wiring connection of three phase motor with the star delta starter and the control wiring diagram of the star delta starter. For three-phase motors, we use the direct online starter but mostly for the small three-phase motor.
But for high load 3 phase motors we use the star delta starter for motor control. A star delta starter is a type of motor starter which runs 3 phase motor in star in starting time. And when the motor start, after some time it’s run the motor in delta connection.
Star Delta Starter Wiring Diagram 3 Phase
To make a star delta starter you need…
1 MCCB Circuit Breaker
3 magnetic contactors
3-phase motor thermal overload relay / Electronic overload relay OCR
An on-daily timer (8-pin timer with 8-pin glass type relay socket/base)
1 Normally close push button switch
1 Normally open push button switch
Electric wires for main motor wiring
Electric wires for controlling wiring
Star Delta Starter Wiring For 3-Phase Motor Diagram
Here I have shown the complete star delta starter wiring diagram 3 phase. The three-phase supply is shown with RED, Yellow, And Blue Coolers.- All connections with a 3-phase induction motor.
The above is a star delta starter diagram of 3 phase motor for the main wiring. Now let’s see the star delta starter control circuit diagram with timer and NC/NO push button switches.
Star delta starter control circuit diagram
In the above star delta starter control circuit wiring diagram with timer and normally close push button/normally open push button switch. In the control wiring diagram, all magnetic contactors coils are rated 220 VAC. A 8-pin timer is used. The on-delay timer diagram is also shown in the diagram.
Also read:
Direct online starter animation diagram
Forward Reverse 3 phase motor wiring starter diagram
8 Pin On delay wiring diagram
Three-Phase Failure Wiring and Installation Diagram
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Thank u dear…
Sir u have YouTube channel
Great job sir
ok
Great work sir
Thank sir
A work with complete determination…..thanks
If we connect relay to delta contactor, what happened?
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Nice
Wrong digram
Nice
Mu buena explicacion didactica
very good effort…
but i suggest you to use electronic overload relay instead of thermal because in modren era every control has electronic overload relay
First time I have seen it this way seem like it would be a much better way ty…….now what u got for a 12 wire induction motor auto wye delta lol