Wiring Diagram Star Delta Starter Siemens. As soon as you open the starter you will see a sticker K1 BIRELAY showing the. If the motor is hard wired as delta the starter must be connected and sized with In Line wiring as shown in Fig.
The control current circuit control of the contactors the setting option for the switching time from star operation to delta operation and the main current circuit are displayed for commissioning. Siemens sirius 3rt pdf user manuals. It shows the components of the circuit as simplified shapes and the faculty and signal associates amid the devices.
The direct on line motor starter dol consist a mccb or circuit breaker contactor and an overload relay for protection.
If you find a serious defect do not use the product but have it checked by an authorized Siemens dealer or an electrician. If the motor is hard wired as delta the starter must be connected and sized with In Line wiring as shown in Fig. Connecting the soft starter to a wye motor inserts the SCRs directly in the line wiring referred to as In Line wiring. The soft starter can be used for either 6 or 12 lead delta motors.
