A wiring diagram normally provides details regarding the loved one position as well as plan of tools and also terminals on the tools to assist in building or servicing the gadget. Assortment of motor starter wiring diagram pdf.
Reverse Dol Starter Or Two Way Starter Electrical And
Dol starter control wiring diagram. The contactor has 3 types of contacts. L1 of contactor connect no to r phase through mccb. It shows the elements of the circuit as streamlined shapes and the power and signal links in between the tools. In the below dol starter wiring diagram i shown a molded case circuit breaker a magnetic contactor normally open push button normally close push button switch thermal overload relay motor trip indicator and 3 phase motor. Akrtechnical dolstartercontrolwiring hi i am abhilash k r welcome to our malayalam youtube channel akrtechnical. All controlling of starter are controlled by this circuit.
A wiring diagram of a dol starter is shown below. A2 14 18. Contactor is connecting among supply voltage relay coil and thermal overload relay. L3 of contactor connect no to b phase through mccb. Dol starter control power wiring diagram overload indicator wiring in malayalam. L2 of contactor connect no to y phase through mccb.
Wiring of the direct on line dol motor starter 1 three phase supply 230volt coil see wiring diagram. Figure shows the conttrol diagram of the dol starter as you have seen in the diagram the starter contains a miniature circuit breaker for the incoming supply protection. The value of this large current decreases as the motor reaches its rated speed. An over load relay for the protection of motor against over voltage under voltage single phasing over current etc. 13 17 with a flying lead to be connected to overload terminal 95. The r y and b phase are connected through mccb to the contactors.
And one wiring is called controlling wiring. All other control and power connections have to be made by the installer. Wiring of dol starter 1. 1 the following links are pre fitted to the starter. In the above three phase dol starter wiring diagram. This is the wiring diagram of a dol starter mccb or circuit breaker.
Dol starter control circuit diagram consist components like main power contactor start button stop push button and overload relay is connected in series this circuit is called control circuit of dol motor starte r. A wiring diagram is a streamlined standard pictorial representation of an electric circuit. Since the dol starter connects the motor directly to the main supply line the motor draws a very high inrush current compared to the full load current of the motor up to 5 8 times higher.