Approximate Dimensions

Class 8738 , 8739 / Refer to Catalog 8538CT9701

NEMA 1, 12, and 3R Dimensions

note

These dimensions are for reference only. If you need precise measurements, contact the Customer Care Center at 1-888-778-2733.

See Figure: NEMA 1 Enclosure (Sizes 0–2)

NEMA
Size

Class

Type

Dimensions (in. ) [1]

Top & Bottom

Sides

Wt.
(lb)

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
Size

Class

Type

Dimensions (in.) [1]

Top & Bottom

Sides

Wt.
(lb)

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
2–2.25

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
2–2.25

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
Size

Class

Type

Dimensions (in.)  [1]

Wt.
(lb)

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

NEMA 1 Enclosure (Sizes 0–2)

NEMA 1 Enclosure (Sizes 3–6)

NEMA 12/3R Enclosure

     

note

Illustrations may not represent the actual enclosure; they are intended for dimensional information only.

NEMA 4X Dimensions

note

These dimensions are for reference only. If you need precise measurements, contact the Customer Care Center at 1-888-778-2733.

NEMA 4X Polyester Enclosure

See Figure: NEMA 4X Polyester Enclosure [3]

NEMA
Size

Class

Dimensions (in inches )[1]

Type

A

B

C

E

F

0-2

8738 &
8739

SBW


SCW
SDW

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
Size

Class

Type

Dimensions (in inches) [4]

Bottom

Top & Bot.

Wt.
(lb)

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

NEMA 4X Stainless Steel Enclosure

note

Illustrations may not represent the actual enclosure; they are intended for dimensional information only.

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
2

0.75
1.00

2

1
2

0.75
1.50

3–4

1
2

0.75
2.50

Footnotes

  1. The dimensions shown in all tables above are also for Form FF4T (standard control transformer),
    Form FF4T11 (100 VA extra-capacity), and Form FF4T12 (200 VA extra-capacity).
  2. Size 6 enclosures are floor mounting.
  3. See Hubs for important information on hubs for NEMA 4X enclosures.
  4. Dimensions also for Form F4T (standard control transformer), Form F4T11 (100 VA extra capacity) and Form F4T12 (200 VA extra capacity).

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