Wiring
5.3 Connect the 3RW52 soft starter to the main circuit connection (line side / motor side)
SIRIUS 3RW52 Soft Starter
82
Equipment Manual, 04/2020, A5E35630451002A/RS-AE/005
5.3
Connect the 3RW52 soft starter to the main circuit connection
(line side / motor side)
Requirements
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Observe the conductor cross-sections and tightening torques in the data sheet or on the
front of the 3RW52 soft starter beneath the hinged cover.
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Pay attention to the required tools indicated on the front of the 3RW52 soft starter
beneath the hinged cover.
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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
3RW5.1.-....
2 ... 2.5 Nm
Size 2
3RW5.2.-....
4.5 ... 6 Nm
Size 3
3RW5.3.-....
10 ... 14 Nm
Size 4
3RW5.4.-....
14 ... 24 Nm