Square D Digest 179

Approximate Dimensions

Lighting Contactors

Class 8903 / Refer to Catalog 8903CT9701

www.se.com/us

NEMA 3R, 4, and 4X NOTE: These dimensions are for reference only. If you need precise measurements, contact the Customer Care Center at 1-888-778-2733.

Table 16.214: NEMA 3R Enclosures Rating (A) Type No. of

K.O. Y 0.5 0.75 1 0.5 0.75

Poles A B C D1D2 E F G1G2H1H2 J

K L M N P K.O. X

0.5 0.75 1 1 1.25 1.5 1 1.25 2 2.5 1 1.25 2 2.5

8.83 224 9.83 250

12.30 312 16.30 414

7.12 181 8.62 219

1.39 35 1.39 35

1.44 37 1.44 37

6.00 152 7.00 178

7.50 191

2.64 67 2.64 67

2.16 55 2.16 55

2.08 53 2.08 53

2.62 66 2.62 66

14.28 363 16.78 426

1.37 35 1.31 33

1.37 35 1.75 44

1.88 48 2.13 54

4.38 111 4.88 124

1.83 46 1.83 46

30 SMH All

30 LH 60 SPH 16 NEMA AND DEFINITE PURPOSE CONTACTORS AND STARTERS All 100 SQH All 12.83 326

11.50 292

25.30 643

8.62 219

1.39 35

1.44 37

10.00 254

20.50 521

2.64 67

2.16 55

2.08 53

2.62 66

19.78 502

1.31 33

1.94 49

2.44 62

6.38 162

1.83 46

0.5 0.75

12.83 326

40.30 1024

9.12 232

1.39 35

1.44 37

10.00 254

35.50 902

2.64 67

2.16 55

2.08 53

2.62 66

20.28 515

1.31 33

2.31 59

2.69 68

6.38 162

1.83 46

0.5 0.75

200 SVH All

Table 16.215: NEMA 4 and 4X Stainless Steel Only Enclosures [47]

Bottom Hub Only

Top& Bottom Hub

Dimensions for Stainless Steel Enclosures

Rating (A)

Type No. of Poles

Forms

A B C D E F G H I

J K L

W X

15.00 381 13.50 343 12.00 305 13.50 343 15.00 381 15.00 381 15.00 381 30.50 775 40.50 1029 40.50 1029 46.00 1168 64.00 1626 30.50 775

0.60 15 0.63 16 0.63 16 0.63 16 0.63 16 0.60 15 0.63 16 0.61 15 0.61 15 0.61 15 0.61 15 0.61 15 0.61 15

1.94 49 3.38 86 1.19 30 3.19 81 3.19 81 1.94 49 3.88 98 3.67 93 3.67 93 3.67 93 4.59 117 4.59 117 3.67 93

14.75 375 18.44 468 11.81 300 18.50 470 20.88 530 14.75 375 20.88 530 26.71 678 31.71 805 31.71 805 28.32 719 30.82 783 26.71 678

2.00 51 1.69 43 1.63 41 1.64 42 2.06 52 2.00 51 2.06 52 2.58 66 2.33 59 2.33 59 3.11 79 2.67 68 2.58 66

2.63 67 2.31 59 2.31 59 2.31 59 2.63 67 2.63 67 2.63 67 3.19 81 2.88 73 2.88 73 5.75 146 4.50 114 3.19 81

0.31 8 0.31 8 0.31 8 0.31 8 0.31 8 0.31 8 0.31 8

1.56 40 2.56 65 1.56 40 2.56 65 2.56 65 1.56 40 2.56 65 3.08 78 3.08 78 3.08 78 4.11 104 4.11 104 3.08 78

8.13 206

7.88 200 7.81 198 7.13 181 7.11 181 7.25 184 7.88 200 7.25 184

5.00 127 7.50 191 3.25 83 7.50 191 9.75 248 5.00 127 9.75 248

16.19 411 14.69 373 13.19 335 14.69 373 16.31 414 16.19 411 16.31 414 32.21 818 42.21 1072 42.21 1072 47.21 1199 65.21 1656 32.21 818

Standard, F, R6, Y48

0.75

1.5

Any

30 LW LXW

12.62 321

A3, A12, C, C6, P, T

0.75

1

Std., A12, C, C6, P, X 6.38 162 Std., F, X

EH MH EH EH MH EH MH EH MH EH

0.75

1

12.63 321 14.88 378

30 SMW 2–5

T

0.75

1

N, R6

0.75

1.5

A3, C, C6, T, N, P, R6

Std., A12, C, C6, P, X 8.13 206 Std., A3, C, C6, P, X

0.75

1.5

60 SPW 2–5

T, N, R6

14.88 378

0.75

1.5

A3, C, C6, T, N, P, R6

Std., A12, C, C6, F, N, R6, P, T, T10-13, X 18.15 461 Std., A3, C, C6, F, N, P, R6, T, T10-13, X

8.77 223

12.00 305

0.44 11

0.75

2.5

2–3

MH

100 SQW

EH Std., A12, C, C6, F, P [48] MH Std., A3, C, C6, P [48] EH N, R6, T, T10-13

18.15 461 22.15 563 22.15 563 17.21 437 20.21 513 34.50 876

8.77 223 9.77 248 9.77 248

12.00 305 16.00 406 16.00 406

0.44 11 0.44 11 0.44 11

0.75

2.5

4–5

0.75

2.5

N, R6, T, T10-13 Standard and All Forms Standard and All Forms

MH EH, MH EH, MH EH, MH

200 SVW All

0.75

2.5

12.63 321 12.13 308 23.50 597

9.00 229

0.56 14 0.75

3.5

300 SXW All

400,

SYW

Two 3 [49]

Standard and All Forms

12.00 305

0.56 14

0.75 [49]

All

600 SZW 800 SJW 2–3

101.00 2565

With or without any Forms

Floor Mounting

EH = Electrically Held. MH = Mechanically Held.

NEMA 3R Enclosures

NEMA 4 and 4X Enclosures

D E D G A

A E

B

D1

D2

C

P

N

G1

F C

F

B

G

G2

(4) L. Dia. Mtg. Holes

(3) Closing Plates (4) .36 Dia. Mtg. Holes

C30054-260-A

D30060-118-D

I

J

W X

M

M

X

X

J

Dimensions: in. mm

L

Y

K

H

K

H1 H2

[47] For glass polyester enclosures (through 100 A), see Table 16.104. [48] All Type K Forms. [49] X hub is 1/4 in. left of center. W hub shown is another X hub. K dimension is distance between two X hubs. Actual W hub is located 3-3/16 in. to the right of X hub shown.

16-86

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