Ratings, Softswitch128, Xps) – Lutron Electronics Switch User Manual
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14
Installation Guide for Switching Panels
Ratings
Softswitch128
TM
(XPS)
3Ø 4W or
1Ø 3W
Main Lug Accepts:
#4 AWG to 250
KCMIL (MCM)
(25-120 mm
2
)
120 V
Panels
with Branch Circuit Breakers
XPS
Model
Switch
Legs
Feed
Type
Max
Feed
XPS8
XPS12
XPS16
XPS20
XPS24
XPS28
XPS32
XPS36
XPS40
XPS42
8
12
16
20
24
28
32
36
40
42
200 A
225 A
Use the charts below to determine feed and load wiring sizes for Softswitch128 panels. Note that load circuit
wiring sizes are shown bottom right.
277 V
Panels
with Branch Circuit Breakers
XPS
Model
Switch
Legs
Feed
Type
Max
Feed
XPS8
XPS12
XPS16
XPS20
XPS24
XPS28
XPS32
XPS36
XPS40
XPS42
8
12
16
20
24
28
32
36
40
42
Load Circuit Wiring
Terminal blocks accept one #14-#10 AWG
(2.5-4.0 mm
2
) wire. Preferred entry is from the top
of the panel.
1Ø 2W
#14-#10 AWG
(2.5 -4.0
mm
2
)
Feed-Through (FT) and Rough-In (RI)
Panels (120 V
, 277 V
, 120/277 V
)
FT
RI
Model
Model
Switch
Legs
Feed
Type
Max
Feed
XPS8
SINT8
XPS12
SINT12
XPS16
SINT16
XPS20
SINT20
XPS24
SINT24
XPS28
SINT28
XPS32
SINT32
XPS36
SINT36
XPS40
SINT40
XPS44
SINT44
XPS48
SINT48
8
12
16
20
24
28
32
36
40
44
48
20 A
3Ø 4W or 1Ø 3W
Main Lug Accepts:
#4 AWG to 250
KCMIL (MCM)
(25-120 mm
2
)
Main Lug Accepts:
#4 AWG to 350
KCMIL (MCM)
(25-185 mm
2
)
250 A
300 A
220-240 V
and 230 V
Panels
with Branch Circuit Breakers
XPS
Model
Switch
Legs
Feed
Type
Max
Feed
XPS8
XPS12
XPS16
XPS20
XPS24
8
12
16
20
24
3Ø 4W
Isolation Switch
Accepts:
#14-#2 AWG
(2.0-35 mm
2
)
125 A