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Example circuits
A.1 Main circuit connection
If the 3RW51 soft starter is operated in an inside-delta circuit, the motor power output of the
individual devices is increased by a factor of root 3. On the front of the device behind the hinged
cover, you will find a value table with increase current values for an inside-delta circuit.
If the load voltage is connected and the motor is connected to the device, the 3RW51 soft starter
automatically detects the connection type.
Motor rotation in line phase direction
170
Equipment Manual, 09/2020, A5E37108631002A/RS-AC/003
SIRIUS 3RW51 Soft Starter
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