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Installation
2.5.6
AC Wiring Confi gurations (MS2012, MS2812, MS2024, MS4024, & MS4048)
The following table provides the diff erent wiring confi gurations for installing and connecting the AC
conductors to and from the inverter (refer to Figures 2-11 to 2-15 for installation drawings showing
these confi gurations). Refer to Table 2-4 (and Figures 2-16 & 2-17) for the MS2000 models.
Table 2-3, AC Input/Output Wiring Confi gurations
SI/SO (30A)
Single In/
Single Out
AC Source
120 VAC
1
@≤30A
Required
Reason to
Have an 120
VAC source that
Use
is ≤30A.
Requires
a separate
inverter
sub-panel.
Appropiate
MS2012
Models
MS2812
MS2024
MS4024
MS4048
Maximum
30A
Input
(single pole)
Breaker
Required
–
#10 AWG
Minimum
(In & Out)
Wire Size
(AWG)
Maximum
3600W
Inverter
(30A @120
VAC)
Pass-thru
capacity
Diagram
Figure 2-11
Note
– AC source is from either the utility/grid power (i.e., shorepower) or an AC generator.
1
Note
– If two legs of 30A @120 VAC used, they must be from the same source (i.e., common
2
neutral). For example, 2 legs from a 3-phase source can be used.
Note
– These MS Series models require a sub-panel for this particular confi guration.
3
Page 25
SI/SO (60A)
Single In/
Single Out
120 VAC
@>30A (60A)
Have an 120
VAC source
that is >30A.
Requires
a separate
inverter
sub-panel.
MS2012
MS2812
MS2024
MS4024
MS4048
60A
(single pole)
–
–
#6 AWG
(In & Out);
Can be split to
two #10 AWG
(for HOT 1
& HOT 2)
7200W
(60A @120
VAC)
Figure 2-12
SI/DO
Single In/
Dual In/
Dual Out
Single Out
120/240 VAC (or
120/240 VAC
2 separate legs of
(or 2 separate
120 VAC)
legs of 120
@≤15A per leg
(-15B models);
@≤30A per leg
or ≤20A per leg
(-20B models)
A separate
Want dedicated
inverter sub-
charging and
panel is not
dedicated
required for -XXB
pass-thru while
models.
the AC source
Inverter pass-
thru capability
Requires
limited on each
a separate
leg by model
inverter sub-
used.
MS2012-20B
MS2012-15B
MS2812
3
MS2024
3
MS4024
3
MS4048
3
MS4048-20B
For full charging
and pass-thru
(dual pole)
-15B=45A SP
-20B=60A SP
–
-15B In=#8
#10 AWG
(split to #12 x2)
(In & Out)
-20B In=#6
(split to #10 x2)
-15B Out=#14 x2
-20B Out=#12 x2
-15B models:
15A/leg
(30A @120
(30A max.);
-20B models:
20A/leg
(40A max.)
Figure 2-13
Figure 2-14
© 2016 Sensata Technologies
DI/SO
DI/DO
Dual In/
Dual Out
120/240 VAC (or
2 separate legs
of 120 VAC)
VAC)
@≤30A per leg
May need to
power 240
VAC loads
if AC source
on (requires
is on.
120/240 VAC
source).
Requires a
separate inverter
panel.
sub-panel.
MS2012
MS2012
MS2812
MS2812
MS2024
MS2024
MS4024
MS4024
MS4048
MS4048
30A
30A
(dual pole)
–
–
#10 AWG
(In & Out)
3600W
7200W
(2 legs of 30A
VAC)
@120/240 VAC
or 2 legs of 30A
@120 VAC)
Figure 2-15
2
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