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Wiring
4.3 Connecting 3RW51 soft starter to main circuit connection (line side / motor side)
3RW51 Soft Starter
Manual, 06/2019, A5E37108631002A/RS-AB/002
57
4.3
Connecting 3RW51 soft starter to main circuit connection (line side /
motor side)
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
●
When using a busbar connection (sizes 3 and 4), you require wrenches of width A/F of 13
and 17.
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
DANGER
Hazardous voltage.
Will cause death or serious injury.
Turn off and lock out all power supplying to this device before working on this device.