Square D Digest 179

Approximate Dimensions

Type S Reversing Combination Starters

Class 8738, 8739 / Refer to Catalog 8538CT9701

www.se.com/us

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.

Table 16.187: See Figure: NEMA 1 Enclosure (Sizes 0–2), page 16-73 NEMA Size Class Type Dimensions (in. ) [31] A B C D E F G H I

Top & Bottom Sides Wt. (lb)

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 Table 16.188: See Figure: NEMA 1 Enclosure (Sizes 3–6), page 16-73 NEMA Size Class Type Dimensions (in.) [31] 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, 8739SHG36 9017.03—— — —————— — ——— — — — — Table 16.189: See Figure: NEMA 12/3R Enclosure, page 16-73 NEMA Size Class Type Dimensions (in.) [31] Wt. (lb)

16 NEMA AND DEFINITE PURPOSE CONTACTORS AND STARTERS

A

B

C

D

E

F

G

H

I

J

SBA SCA SDA SEA SFA SFA SGA SGA SHA

8738, 8739

0–1

13.75

10.09

24.75

3.25

2.5

8.75

24

0.38

3.75

20.31

52

8738, 8739 8738, 8739

15

10.97 10.59 10.59 10.59 15.5 15.5 17.03

31 45 45 78 66 90

3.25

3 3 3 3 4

9

30.25

0.38 0.25 0.25 0.25 0.25 0.25

3.75 3.75 3.75 3.75

23.44 25.59 30.34 25.59 39.41 37.88

95

2 3 4

18.5

5 5

12.5

44

255

8738 8739 8738 8739 8739

21

52.5

15

51.5

— — — —

18.5

3.25 9.25

12.5

44 77 65

30 30 36

22 22

7.5 7.5

5

— 4

6 [32]

— — — — — — — —

Handle Swing

Handle Swing

D A

L

C

Handle Swing

E H

F A

O

L

C

A

M

D

B

E

D

N

H

K

Y

P

Y

O

G B

G

E B

C

Y

Y

(4) .31 Dia. Mtg. Holes

(4) .31 D ia . Mt g . H o le s

8 (For Sizes 0, 1, and 2)

Cover Open 90º

(4) .44 Dia. Mtg. Holes

Cover Open 90º

8 ( F or Si z e s 0, 1, and 2)

11 (For Sizes 3 and 4) (4) .56 Dia. Mtg. Holes Located on 14 External Flanges (For Size 5)

C o v e r Op en 9 0 º

(4) .44 D ia . Mt g . H o le s

11 ( F or Si z e s 3 and 4) (4) . 56 D ia . Mt g . H o le s L o c a t ed o n 14 E x t e r nal F lange s ( F or Si z e 5 )

F

F

J

W X W

W X W

G

J

J

K

H

M

I

I

N

Figure 16.15: NEMA 1 Enclosure (Sizes 0–2)

Figure 16.16: NEMA 1 Enclosure (Sizes 3–6) Figure 16.17: NEMA 12/3R Enclosure NOTE: Illustrations may not represent the actual enclosure; they are intended for dimensional information only.

[31] The dimensions shown in all tables above are also for FormFF4T (standard control transformer), Form FF4T11 (100 VA extra-capacity), and Form FF4T12 (200 VA extra-capacity). [32] Size 6 enclosures are floor mounting.

16-73

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