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S611 Soft Starter
MN03902011E—May 2012 www.eaton.com
9
See
Appendix D—Motor/Application Considerations
in this manual for information on
typical motor winding configurations.
Line Connected Soft Starter Power Wiring Diagram
The following table lists the maximum wire sizes and number of conductors required per
phase for mechanical and compression type lugs. Due to difficulties bending large diameter
conductors, the maximum single conductor gauge is limited to 350 kcmil.
Power terminal wire connectors are not shipped with the product. To maintain the agency
certifications/listings, Eaton recommends using the wire connectors (lugs) in the table below.
Customers may select lugs that are commercially available and suitable for use, from industry
standard sources that meet the general specifications in the table below. Refer to
Appendix D
for alternate lug cross reference tables.
Note:
When securing the lugs onto the bus bars of the soft starters, use a suitable tool such
as another wrench to counteract the bolt torque and prevent excessive side loads
being placed on the supports.
Line and Load Power Wiring
Notes
Additional lug information may be found in
Appendix D
.
Each lug kit consists of three lugs. Two kits are required for both line and load connections.
Wire size based on 125% of UL 508 Table 43.2.
Current
Rating
Conductor
Size
Number of
Conductors
Mechanical Lug—
Ilsco Part Number
Torque
lb-in
Mechanical
Lug Range
Soft Starter
Catalog Number
Mechanical Lug—
Eaton Catalog Number
52A
6 AWG
1
TA-2/0
120
14 AWG–2/0
S611A052XXX
S611-LUG-MO1
65A
4 AWG
1
TA-2/0
120
14 AWG–2/0
S611A065XXX
S611-LUG-MO1
77A
3 AWG
1
TA-2/0
120
14 AWG–2/0
S611A072XXX
S611-LUG-MO1
99A
1/0 AWG
1
TA-300
275
14 AWG–2/0
S611B099XXX
S611-LUG-MO2
125A
2/0 AWG
1
TA-300
275
2 AWG–600 kcmil
S611B125XXX
S611-LUG-MO2
156A
3/0 AWG
1
TA-600
500
2 AWG–600 kcmil
S611C156XXX
S611-LUG-MO3
180A
4/0 AWG
1
TA-600
500
2 AWG–600 kcmil
S611C180XXX
S611-LUG-MO3
242A
350 kcmil
1
TA-600
500
2 AWG–600 kcmil
S611D242XXX
S611-LUG-MO3
302A
3/0 AWG
2
AU-600-2NS
500
2 AWG–600 kcmil
S611E302XXX
S611-LUG-MO4
361A
4/0 AWG
2
AU-600-2NS
500
2 AWG–600 kcmil
S611E361XXX
S611-LUG-MO4
414A
300 kcmil
2
AU-600-2NS
500
300–800 kcmil
S611F414XXX
S611-LUG-MO4
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