The connection of contactor can be done among relay coil supply voltage as well as thermal overload. There is a wiring diagram and adjacent to it a line diagram line diagrams are included because their use is becoming more widespread and we believe it is advantageous to learn to use them.
Dol Control Wiring Diagram
Dol starter wiring diagram pdf. Wiring of the direct on line dol motor starter 1 three phase supply 230volt coil see wiring diagram. Electromagnetic contactor which can be opened by the thermal overload relay under fault conditions. All other control and power connections have to be made by the installer. It shows the parts of the circuit as simplified shapes and also the power and also signal links in between the tools. A2 14 18. A wiring diagram is a streamlined standard pictorial representation of an electric circuit.
Single phase motor control wiring diagram electrical engineering. It comprises an enclosure in steel or plastic a contactor start contact link wires and stop start buttons. The wiring of direct on line control circuit starter is following. The wiring diagram for a dol stater is shown below. The simplest form of motor starter for the induction motor is the direct on line starter. These two buttons ie.
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. A direct online starter consits of two buttons a green button for starting and a red for stopping purpose of the motor. The dol starter comprises of an mccb or circuit breaker contactor and an overload relay for protection. Wiring diagrams vs line diagrams most of the diagrams in this book are shown in two ways. Green and red or start and stop buttons control the contacts. Motor starter wiring diagram pdf gallery allen bradley smc 3 wiring diagram new fine allen bradley motor.
It shows the elements of the circuit as streamlined shapes and the power and signal links in between the tools. Assortment of 3 phase motor starter wiring diagram pdf. Assortment of motor starter wiring diagram pdf. A wiring diagram is a streamlined conventional photographic representation of an electrical circuit. 13 17 with a flying lead to be connected to overload terminal 95. The direct on line motor starter dol consist a mccb or circuit breaker contactor and an overload relay for protection.
All connection i shown with complete guide. The direct on line motor starter dol is designed to switch a single or three phase induction motor at rated voltage. The l1 contactor is connected from normally open no to r phase using mccb. In the above three phase dol starter wiring diagram. Electrical standards direct line dol starter. What is direct line starter its theory of starting circuit globe.
1 the following links are pre fitted to the starter. Dol starter control diagram three phase. The thermal overload is supplied as a separate item. 1 22kw motor with a flc of 5 amps at 415volts.
Gallery of Dol Starter Wiring Diagram Pdf
