Setup guide
MN03902004E 4 November 2006
Figure 9: Inside-the-Delta Connected Soft Starter Power
Wiring Diagram for a 12-Lead Low Voltage Motor
Figure 10: Inside-the-Delta Connected Soft Starter Power
Wiring Diagram for a 12-Lead High Voltage Motor
Table 3: Power Wire Sizing and Torque Requirements
Requires special lug cover. Check with Eaton for availablility.
CSA approved 350 MCM – 500 MCM.
Note:
For T, U and V frames, optional lug kits are shown
(EML**) and may be required for your installation.
Control Wiring
Figures
11
,
12
and
13
illustrate typical connection
diagrams for the control circuit options described. In these
diagrams the soft starter is represented by the removable
wiring connector. All other items shown are not included
but may be purchased from Eaton.
Control wiring is connected to the
IT
. S811 Soft Starter by a
12-pin terminal block located at the front of the unit. Using
the wiring diagrams in
Figures
11, 12
and
13
and
Tables 4
and
5
as guides, connect the control wiring as required for your
application.
L1S L2S
Supply
L3S
L3
L1
1
L1
3
L2
5
L3
T11
T5
T11
T10
T4
T12
T6
T3
T9
T3
T5
T3
T6
T10
T7
T4
T1
T1
T12
T9
T2
T8
T2
T2
T1
T7
2
T1
4
T2
6
T3
T8
L1
Motor
L3
L2
L2
12-Lead
Low Voltage
S811
L1S
L2S
Supply
12-Lead
High Voltage
L3S
L3
L1
1
L1
3
L2
5
L3
T11
T11
T10 T12
T3
T3
T3
T6
T10
T7
T4
T1
T1
T12
T9
T2
T2
T2
T1
2
T1
4
T2
6
T3
T8
T5
T5
T8
T6
T9
L1
T7
T4
Motor
L3
L2
L2
S811
Number of
Conductors Lug Type
Wire Sizes
Cu 75°C Only
Torque
Requirements
Frame Size — N
1 Box Lug 2 AWG 50 lb-in (5.6 Nm)
4 – 6 AWG 45 lb-in (5.0 Nm)
8 AWG 40 lb-in (4.5 Nm)
10 –14 AWG 35 lb-in (4.0 Nm)
Frame Size — R
1 Box Lug 14 – 8 AWG
(2.5 – 10 mm
2
)
90 – 100 lb-in
(10.1 – 11.3 Nm)
6 – 4 AWG
(16 – 25 mm
2
)
3 – 3/0 AWG
(27 – 95 mm
2
)
Frame Size — T (see Note)
2 (2) EML22 4 – 1/0 MCM
(21.2 – 53.5 mm
2
)
250 Lb-in (28.3 N•m)
1 (2) EML23 4/0 – 500 MCM
(107 – 240 mm
2
)
250 Lb-in (28.3 N•m)
2
(2) EML24 4/0 – 500 MCM
(107 – 240 mm
2
)
250 Lb-in (28.3 N•m)
1 (2) EML25 2/0 – 300 MCM
(70 – 150 mm
2
)
225 Lb-in (25.5 N•m)
2 (2) EML26 2/0 – 300 MCM
(70 – 150 mm
2
)
225 Lb-in (25.5 N•m)
Frame Size — U (see Note)
2 (2) EML24 4/0 – 500 MCM
(107 – 240 mm
2
)
250 Lb-in (28.3 N•m)
(2) EML26 2/0 – 300 MCM
(70 – 150 mm
2
)
225 Lb-in (25.5 N•m)
Frame Size — V (see Note)
2
(2) EML28 4/0 – 500 MCM
(107 – 240 mm
2
)
250 Lb-in (28.3 N•m)
4
(2) EML30 4/0 – 500 MCM
(107 – 240 mm
2
)
250 Lb-in (28.3 N•m)
6
(2) EML32 4/0 – 500 MCM
(107 – 240 mm
2
)
250 Lb-in (28.3 N•m)
4 (2) EML33 2/0
–
300 MCM
(70
–
150 mm
2
)
225 Lb-in (25.5 N•m)
MN03902004E.fm Page 4 Tuesday, November 28, 2006 8:49 AM