Wiring
4.4 Connecting the external bypass contactor to the 3RW51 soft starter
3RW51 Soft Starter
Manual, 06/2019, A5E37108631002A/RS-AB/002
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4.4
Connecting the external bypass contactor to the 3RW51 soft starter
Requirements
●
Observe the conductor cross-sections and tightening torques in the data sheet or on the
front beneath the hinged cover.
●
Pay attention to the required tools indicated on the front beneath the hinged cover.
Size
Article number
Tightening torque
Size 1 / 2
3RW5.1.-....
4.5 ... 6 Nm
3RW5.2.-....
Size 3
3RW5.3.-....
10 ... 14 Nm
Size 4
3RW5.4.-....
14 ... 24 Nm
Procedure for screw connection - size 2
●
Connect connection 7 / B1, 8 / B2, 9 / B3 to the supply system
①
and tighten the
screws
②
.
●
Repeat steps
①
+
②
for connection 2 / T1, 4 / T2, 6 / T3 with the motor.