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Combination Starters—NEMA Rated

Approximate Dimensions

Class 8538, 8539 / Refer to Catalog 8538CT9701

 
Table 16.105:
NEMA 4X Polyester Enclosure—Figure 1
NEMA
Size
Class
Dimensions in Inches a
Type
A
B
C
E
F
0, 1
8538
SBW
SCW
SDW
13.72
11.4
26.94
6.25
25.75
0, 1
8539
0, 1, & 2
8738, 8739
SBW
SCW
SDW
25.25
11.4
27.00
17.88
25.75
2
8538, 8539
3–4
8538, 8738
8539, 8739
SEW
SFW b
26.31
11.4
33.50
18.50
32.25
a
Dimensions also for Form F4T (standard control transformer) and Form F4T10 (50 VA additional capacity).
Other control transformers may require the use of oversized enclosures. refer to the control transformer
selection table on page 16-39.
b
8539 Size 4 only.
 
Table 16.106:
NEMA 1, 4, 4X Stainless, 12 Oversize Enclosure—Figure 2
NEMA
Size
NEMA
Type
Encl.
Dimensions in Inches
Wide
A
High
B
Deep
C
Handle
L
Mounting
D
E
0–2
 1
15
2-3/4
 9-19/32
3-1/4
11-5/8
26-1/4
 4
15
30-1/32
 9-19/32
3-1/4
10
29-3/4
12
15
31
10-31/32
3-1/4
 9
30-1/4
 
Table 16.107:
Class 8539—NEMA 7 & 9 Bolted Enclosure—Figure 3
NEMA
Size
Type
Dimensions in Inches
Wt.
(lbs.)
A
B
C
D
E
F
G
H, J
K, L, M, N
P
Z
0–2
SBT
SCT
SDT
14-1/4
27-5/8
 9-1/2
1-1/4
19-1/4
 9-5/8
11
 2-3/8
 3-1/8
 1-1/2
1-1/2
115
3–4
SET
SFT
18-1/8
31-5/8
10
16-1/4
19-1/4
 9-5/8
12-5/8
 2-3/8
 3-3/4
 2-1/2
2-1/2
180
5
SGT
24-1/2
45-5/8
13-3/4
22-1/2
27-1/2
13-3/4
15-3/8
3-7/16
4
4
4
500
*
Bolted enclosure comes equipped with 3 closing plates in the door.
 
Table 16.108:
Class 8539—NEMA 7 & 9 SPIN TOP® Enclosure—Figure 4
NEMA
Size
Type
Conduit Sizes LOC. A, B, C and D
Dimensions in Inches
Wt.
(lbs.)
E
F
G
H
J
K
L
M
N
P
Q
R
S
T
0–1
SBR
SCR
1-1/4
10-5/8
26
15-1/4
8
 4-3/4
 5-3/8
 1-1/2
1-1/16
 7-1/2
11
 7-5/16
2-1/16
—
—
70
2
SDR
1-1/2
13-7/8
30-1/2
19-1/4
8
4-3/4
5-1/4
1-1/2
1-1/16
7
18
9-3/8
2-3/4
—
—
115
3–4
SER
SFR
2-1/2
13-3/8
39-1/2
20-1/4
8
4-3/4
7-1/2
2-1/2
—
10-1/2
23
8-5/8
3
—
—
140
5
SGR
4
19