Wiring
5.3 Connect the 3RW52 soft starter to the main circuit connection (line side / motor side)
SIRIUS 3RW52 Soft Starter
Equipment Manual, 04/2020, A5E35630451002A/RS-AE/005
83
Procedure for screw connection - sizes 1 and 2
Ⴠ Connect connection 1/L1, 3/L2, 5/L3 to the supply system and tighten the screws ཱ.
Ⴠ Repeat steps
/ ཱ for connection 2/T1, 4/T2, 6/T3 with the motor.
You can connect the 3RW52 soft starter with size 2 with bar connection even without the box
terminal block.
Procedure for bar connection - sizes 3 and 4
Pay attention to the diagram on the packaging of the enclosed connection set.
Ⴠ Connect the terminals 1/L1, 3/L2, 5/L3 to the power supply.
Ⴠ Connect the terminals 2/T1, 4/T2, 6/T3 to the motor.
Example circuits
Ⴠ Feeder assembly, type of coordination 1 fuseless (Page 215)
Ⴠ Feeder assembly, type of coordination 1 with fuses (Page 216)
Ⴠ Feeder assembly, type of coordination 2 (Page 217)
Ⴠ Inside-delta circuit (Page 218)