9999CT9701 Brochure

2016-09-04

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© 2007 Schneider Electric All Rights Reserved 12/2007
Separate Enclosures
Class 9991—NEMA Type 3R, 4, 4x, and 12
Separate enclosures can be used with open style devices for field assembly of enclosed controls.
These enclosures, plus the open style components, are equivalent to a factory-assembled device.
Separate enclosures are to be used only with the equipment listed below:
•NEMA Types 4 and 12, Class 9991, Separate Enclosures for Type S devices are supplied as
standard with closing plates. See the selection chart below for the specific number of closing plates
on various enclosures. For applications requiring enclosures without closing plates, consult your
local Schneider Electric representative.
•NEMA Type 3R Enclosures for field assembly of equipment for outdoor applications are provided
with three closing plates, a reset mechanism, and a predrilled panel as standard. For conduit
connection to the top of these enclosures, select watertight hubs from the listing on Digest 174
page 3–9 in accordance with applicable code requirements. Square D® brand NEMA Type 12
enclosures can also be modified for outdoor use. For details, refer to NEMA Type 12 enclosure
modification information on page 4.
NOTE: Not for use in high-corrosive outdoor locations and/or sea coast environments.
•NEMA Type 4X Enclosures for Type S devices, Sizes 0–2 and 30–60 A, are provided as
standard without closing plates. Cover-mounted control units for NEMA Type 4X separate
enclosures are available as a factory modification only.
When closing plates are removed from NEMA Types 4, 12, and 3R enclosure covers, the openings
can be used for easy installation of Class 9001 Type K or Type SK cover-mounted control units.
Refer to page 13.
Table 1: Equipment Used with Separate Enclosures
For Use With
Enclosure Classification
NEMA
Size
or
A
Rating
NEMA Type 4X NEMA Type 4 1
1The standard cabinet has a brushed finish.
NEMA Type 12/3R NEMA Type 3R
Class
Types
(All Pole
Arrangements)
Type Type
Number of
Closing
Plates
Type
Number
of Closing
Plates
Type
Manual Starters
2510 MBO, MCO
MO
M1
M1P
MW1 2
2Type MBO, Size MO only.
MW11 — MA1 — —
Magnetic Contactors
8502 3
3For contactors, replace reset assembly with proper closing plate; for NEMA Type 4 use Class 9001 Type K52, for NEMA Types 3R and 12 use
Class 9001 Type K51. Class 9991 Types SCW20 and SDW20 are designed for contactors only, reset closing plates not required.
SAO, SBO, SCO 00, 0, 1 SCW20 SCW11 2 SCA11 2 SCH2
SDO 2 SDW20 SDW11 2 SDA11 2 SDH1
SEO 3 SEW11 — 3 SEA11 3 SEH1
SFO 4 — SFW11 3 SFA11 3 SFH1
Magnetic Starters
8536
SAO, SBO, SCO 00, 0, 1 SCW21 SCW11 2 SCA11 2 SCH2
SDO 2 SDW21 SDW11 2 SDA11 2 SDH1
SEO 3 SEW11 4
4Enclosure suitable for starter with melting alloy overload and solid state overload relays only.
— 3 SEA11 4 3SEH1
SFO 4 — SFW11 43SFA11
43SFH1
Lighting Contactors Non-Combination Electrically and Mechanically-held
8903 3
LO, LXO 20 A SDW20 SDW11 2 SDA11 2 SDH1
SMO 30 A SCW20 5
5For electrically-held devices only.
SCW11 2 SCA11 2 SCH2
SPO 60 A SCW20 5SDW11 2 SDA11 2 SDH1
SQO 100 A SEW11 4— 3 SEA11 43SEH1
SVO 200 A — — — — — SFH1
Reversing and Two-Speed Horizontally Arranged Contactors and Starters
8702 3
8736
SBO, SCO
SDO
0, 1
2—SCW12
SDW12 3SCA12
SDA12 3—
—
8810 SBO & SCO 0, 1 — SCW13 3 SCA13 3 —
Table 2: How to Order
To Order Specify: Catalog Number
•Class Number
•Type Number
Class Type
9991 SCA11
Type SCW21
NEMA Type 4x Enclosure
Type SCA11
NEMA Type 12 Enclosure
Type SCW11
NEMA Type 4 Enclosure
Type SCH2
NEMA Type 3R Enclosure
Separate Enclosures
Approximate Dimensions—Class 9991
7
12/2007 © 2007 Schneider Electric All Rights Reserved
Table 12: NEMA Type 4X – Watertight and Corrosion Resistant Enclosures
Class
9991
Type
For Use With Dimensions (inches/millimeters) (see Figure 6) Hub Dia.
Weight
(lb)
Class Type NEMA Size
or A Rating # PolesABC DE F G H I J K L W 1X 2
SCW20
8903 SMO
(E.H.) 30A All
6.50
165
6.44
164
12.13
308
0.75
19
5.00
127
8.25
210
1.69
43
3.34
85
10.06
256
1.31
33
2.13
54
0.31
8
3/4 ”1 ”78502 SBO,
SCO 0, 1 All
SCW21 8536 SBO,
SCO 0, 1 All
SDW20
8903 LO,
LXO 20A All
8.50
216
7.06
179
13.88
352
0.75
19
7.00
178
10.50
267
1.69
43
3.91
99
11.94
303
1.63
41
2.38
60
0.31
8
3/4 ”11/2 ”13
8903 SPO
(E.H.) 60A All
8502 SDO 2 All
SDW21 8536 SDO 2 All
Table 13: NEMA Type 4 – Watertight Enclosures (Standard)
Class
9991
Type
For Use With Dimensions (inches/millimeters) (see Figure 6) Hub Dia.
Weight
(lb)
Class Type NEMA Size
or A Rating
No. of
Poles ABCDEFGHI JKLW
1X 2
SCW11
8903 SMO 30 A All 6.38
162
7.13
181
13.19
335
1.56
40
3.25
83
12.00
305
0.59
15
1.88
48
11.78
299
1.63
41
2.31
59
0.31
83/4 ”1 ”12
8502 SBO, SCO 0, 1 All
8536 SBO, SCO 0, 1 All 6.38
162
7.81
198
13.19
335
1.56
40
3.25
83
12.00
305
0.59
15
1.88
48
11.78
299
1.63
41
2.31
59
0.31
8
SDW11
8903 LO, LXO 20 A All 8.13
206
7.88
200
16.19
411
1.56
40
5.00
127
15.00
381
1.09
28
1.94
49
14.75
375
2.00
51
2.63
67
0.31
83/4 ”11/2 ”18
8903 SPO 60 A All
8502 SDO 2 All
8536 SDO 2 All 8.13
206
8.56
217
16.19
411
1.56
40
5.00
127
15.00
381
1.09
28
2.88
73
14.75
375
2.00
51
2.63
67
0.31
8
SEW11
8903 SQO 100 A All 18.15
461
8.77
223
32.21
818
3.08
78
12.00
305
30.50
775
0.86
22
3.67
93
26.71
678
2.58
66
3.19
81
0.44
11
3/4 ”21/2 ”51
8502 SEO 3 All
8536 SEO 3 All 18.15
461
9.58
243
32.21
818
3.08
78
12.00
305
30.50
775
0.86
22
4.48
114
26.71
678
2.58
66
3.19
81
0.44
11
SFW11
8536 SFO 4 All
8502 SFO 4 All 18.15
461
8.77
223
32.21
818
3.08
78
12.00
305
30.50
775
0.86
22
3.67
93
26.71
678
2.58
66
3.19
81
0.44
11
Table 14: NEMA Type 4 – Watertight Enclosures (Oversize)
Class
9991
Type
For Use With Dimensions (inches/millimeters) (see Figure 7) Hub Dia.
Weight
(lb)
Class Type NEMA Size
or A Rating
No. of
Poles ABCDEFGHI J KLW
1X 2
SCW2 8702
8736 SCO 1 All
12.63
321
7.81
198
14.69
373
2.56
65
7.50
191
13.50
343
0.59
15
3.88
98
18.41
468
1.66
42
2.31
59
0.31
8
3/4 ”1 ”
23
SCW3 8810 SBO
SCO
0
1All 19
SCW4 8502
8536
SBO, SCO
(Form F4T) 0, 1 All 24
SDW2 8702
8736 SDO 2 All
14.88
378
7.25
184
16.19
411
2.56
65
9.75
248
15.00
381
0.38
10
3.88
98
20.88
530
1.72
44
2.63
67
0.31
8
3/4 ”11/2 ”
25
SDW3 8903
LO, LXO
SMO, SPO
(Form F4T)
20 A
30 A
60 A
All 29
SDW4 8502
8536
SDO
(Form F4T) 2All 28
1 Bottom Only. 2 Top and Bottom.
Figure 6 Figure 7
A
DEDG
G
B
G
F
I
WX
J
H
K
(4) L Mounting Holes
A
DEDG
FC
J
K
H
I
WX
B
G
(4) L Mounting Holes

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