Approximate Dimensions
Class 8738, 8739 / Refer to Catalog 8538CT9701
NEMA 1, 12, and 3R Dimensions
note
See Figure: NEMA 1 Enclosure (Sizes 0–2)
NEMA |
Class |
Type |
Dimensions (in. ) [1] |
Top & Bottom |
Sides |
Wt. |
||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
W |
X |
Y |
||||
0–1 |
8738, 8739 |
SBG SCG |
13.75 |
23 |
8.34 |
10.63 |
21 |
18.91 |
1.88 |
1.88 |
3.75 |
2.31 |
1.06 |
3.25 |
2.19 |
1.25 |
0.88 |
— |
0.25–0.75–1 |
0.25–0.75–1 |
0.25 |
49 |
2 |
8738, 8739 |
SDG |
15 |
28.75 |
9.59 |
11.63 |
26.25 |
21.47 |
2.19 |
2 |
4 |
2.56 |
1.25 |
3.25 |
2.19 |
1.25 |
0.91 |
— |
1–1.25 |
1–1.25 |
0.25 |
80 |
See Figure: NEMA 1 Enclosure (Sizes 3–6)
NEMA |
Class |
Type |
Dimensions (in.) [1] |
Top & Bottom |
Sides |
Wt. |
||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
W |
X |
Y |
||||
3 |
8738, 8739 |
SEG |
18.5 |
44 |
10.59 |
12.5 |
3 |
25.97 |
43.5 |
0.25 |
— |
2.81 |
3.5 |
5 |
2.69 |
5.38 |
1.22 |
0.91 |
1–1.25 |
0.25–0.75 |
0.25 |
245 |
4 |
8738 |
SFG |
21 |
51.5 |
10.53 |
15 |
3 |
30.72 |
51 |
0.25 |
— |
2.81 |
3.5 |
5 |
2.69 |
5.38 |
1.22 |
0.91 |
2.5 |
0.25–0.75 |
0.25 |
— |
8739 |
SFG |
18.5 |
44 |
10.59 |
12.5 |
3 |
25.97 |
43.5 |
0.25 |
— |
2.81 |
3.5 |
5 |
2.69 |
5.38 |
1.22 |
0.91 |
1–1.25 |
0.25–0.75 |
0.25 |
— |
|
5 |
8738 |
SGG |
30 |
77 |
15.5 |
22 |
4 |
39.41 |
76 |
0.25 |
— |
3.5 |
6.28 |
9.25 |
3.19 |
— |
— |
— |
0.25–0.75 |
3 |
— |
— |
8739 |
SGG |
30 |
65 |
13.72 |
22 |
4 |
39.41 |
64 |
0.25 |
— |
3.5 |
6.28 |
5 |
3.19 |
— |
— |
— |
0.25–0.75 |
3 |
— |
— |
|
6 |
8738, 8739 |
SHG |
36 |
90 |
17.03 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
See Figure: NEMA 12/3R Enclosure
NEMA |
Class |
Type |
Dimensions (in.) [1] |
Wt. |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
||||
0–1 |
8738, 8739 |
SBA SCA |
13.75 |
10.09 |
24.75 |
3.25 |
2.5 |
8.75 |
24 |
0.38 |
3.75 |
20.31 |
52 |
2 |
8738, 8739 |
SDA |
15 |
10.97 |
31 |
3.25 |
3 |
9 |
30.25 |
0.38 |
3.75 |
23.44 |
95 |
3 |
8738, 8739 |
SEA |
18.5 |
10.59 |
45 |
5 |
3 |
12.5 |
44 |
0.25 |
3.75 |
25.59 |
255 |
4 |
8738 |
SFA |
21 |
10.59 |
52.5 |
5 |
3 |
15 |
51.5 |
0.25 |
3.75 |
30.34 |
— |
8739 |
SFA |
18.5 |
10.59 |
45 |
3.25 |
3 |
12.5 |
44 |
0.25 |
3.75 |
25.59 |
— |
|
5 |
8738 |
SGA |
30 |
15.5 |
78 |
9.25 |
4 |
22 |
77 |
0.25 |
7.5 |
39.41 |
— |
8739 |
SGA |
30 |
15.5 |
66 |
— |
4 |
22 |
65 |
0.25 |
7.5 |
37.88 |
— |
|
6 [2] |
8739 |
SHA |
36 |
17.03 |
90 |
— |
— |
— |
— |
— |
— |
— |
— |
note
NEMA 4X Dimensions
note
See Figure: NEMA 4X Polyester Enclosure [3]
NEMA |
Class |
Dimensions (in inches )[1] |
|||||
---|---|---|---|---|---|---|---|
Type |
A |
B |
C |
E |
F |
||
0-2 |
8738 & |
SBW SCW |
25.25 |
11.4 |
27.00 |
17.88 |
25.75 |
3-4 |
8739 |
SEW SFW |
26.31 |
11.4 |
33.50 |
18.50 |
32.25 |
See Figure: NEMA 4X Stainless Steel Enclosure
NEMA |
Class |
Type |
Dimensions (in inches) [4] |
Bottom |
Top & Bot. |
Wt. |
|||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
W |
X |
||||
0–1 |
8738, 8739 |
SBW SCW |
13.75 |
8.34 |
25.19 |
3.25 |
2.5 |
8.75 |
24 |
0.59 |
3 |
1.63 |
2.31 |
18.53 |
0.75 Hub |
1 Hub |
52 |
2 |
8738, 8739 |
SDW |
15 |
9.59 |
30.03 |
3.25 |
2.5 |
10 |
29.75 |
0.63 |
3 |
2 |
2.63 |
21.03 |
0.75 Hub |
1.5 Hub |
95 |
3 |
8738, 8739 |
SEW |
18.5 |
10.56 |
45.19 |
5 |
3 |
12.5 |
44 |
0.59 |
3.5 |
2.63 |
3.19 |
25.5 |
0.75 Hub |
2.5 Hub |
255 |
4 |
8738 |
SFW |
21 |
10.53 |
52.69 |
5 |
3 |
15 |
51.5 |
0.59 |
3.5 |
2.63 |
3.19 |
30.25 |
0.75 Hub |
2.5 Hub |
— |
8739 |
SFW |
18.5 |
10.56 |
45.19 |
5 |
3 |
12.5 |
44 |
0.59 |
3.5 |
2.63 |
3.19 |
25.5 |
0.75 Hub |
2.5 Hub |
— |
|
5 |
8738 |
SGW |
30 |
15.5 |
78.09 |
9.25 |
4 |
22 |
77 |
0.56 |
6.09 |
3 |
3.5 |
39.41 |
0.75 Hub |
3.5 Hub |
— |
8739 |
SGW |
30 |
13.89 |
66.09 |
5 |
4 |
22 |
65 |
0.56 |
6.09 |
3 |
3.5 |
37.88 |
0.75 Hub |
3.5 Hub |
— |
|
6 |
8739 |
SHW |
36 |
17.03 |
98 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
note
Information on Hubs
Hubs are supplied with each NEMA 4X combination starter as shown in Hubs.
Note that hubs are only installed in stainless steel enclosures; they are supplied but not installed in polyester enclosures.
Hubs
NEMA Size |
Quantity |
Hub Size ( in.) |
---|---|---|
0–1 |
1 |
0.75 |
2 |
1 |
0.75 |
3–4 |
1 |
0.75 |