Brochure
Table Of Contents
- AC Magnetic Contactors Class 8502
- AC Magnetic Starters Class 8536
- Class 8502 and 8536 Application Data
- Power Contact Ratings
- Short Circuit Protection
- Capacitor Switching
- Maintenance of Equipment
- Auxiliary Units
- Factory Installed Auxiliary Contacts
- Form Number of Additional Auxiliary Contacts
- Control Circuit Transformers
- Power Poles
- Size 6 Type SH and Size 7 Type SJ Contactors and Starters
- Operation Rates
- Auxiliary Contacts
- Class 8502 Open Type Class 8536 Open Type
- NEMA Type 1 — General Purpose Enclosure
- NEMA Type 1 — General Purpose Enclosure with Form F4T
- NEMA Type 7 & 9 Enclosures for Hazardous Locations Sizes 0-2, Bolted Cover, Cast Iron, Sizes 0-5,...
- NEMA 7 & 9 Bolted Cover, Cast Aluminum
- General Information
- Altitude
- Termination Means
- Auxiliary Contacts
- Auxiliary Contact Units
- section 2 – reversing magnetic starters and contactors
- AC Magnetic Reversing Contactors Class 8702
- AC magnetic reversing starters class 8736
- General Information
- Overload Relays
- MOTOR LOGIC™ Solid State Overload Relay (SSOLR)
- Enclosures
- Holding Circuit Contact
- Coil Voltages
- Mechanical Interlocks
- Auxiliary Contacts
- Type S Accessories
- Power Contact Ratings
- Maintenance of Equipment
- Control Transformer Selection
- Auxiliary Units
- Factory Installed Auxiliary Contacts
- Open Type — 2 or 3-Pole Only
- Auxiliary Contact Units
- General Information
- section 3 – motor starters multi-speed
- Additional Features
- Special Relays for Non-Reversing and Reversing Multispeed Starters
- Thermal Units
- Typical Elementray Diagrams
- Thermal Units
- Vertically Arranged, Open Type, Two Speed Starters
- Thermal Units
- Special Arrangements with Three Devices
- Ordering Information Required
- Thermal Units
- Thermal Units
- Application Data for Types SB-SH
- Control Transformer Selection
- Mechanical Interlock
- Section 1 – magnetic contactors and starters
21
5/98
© 1998 Square D All Rights Reserved
NEMA Type 7 & 9 Enclosures for Hazardous Locations
Sizes 0-2, Bolted Cover, Cast Iron, Sizes 0-5, Bolted Cover, Cast Aluminum, Sizes 0-5, SPIN TOP
®
, Cast Aluminum
NEMA 7 & 9 Bolted Cover, Cast Aluminum
NEMA 7 & 9 Bolted Cover, Cast Iron
NEMA
Size
Type
Dimensions — Inches/mm
Wt
(Lbs)
ABCDEFGHJKLMNPR
0, 1
SBT
See Figure 12 59
SCT
2 SDT See Figure 13 75
NEMA 7 & 9 SPIN TOP
®
Enclosure – Figure 14
NEMA
Size
Type
Dimensions — Inches/mm
Wt
(Lbs)
ABt Bj Ct Cj DEt Ej FGHt Hj JKLMNPR
0-1
SBR 10.63
270
25.06
637
30.06
764
34.69
881
47.69
1211
14.69
373
6.25
159
11.25
286
7.69
195
11.13
283
2.00
51
9.00
229
7.63
194
7.38
187
2.06
52
9.38
238
5.25
133
1.25
32
.38
10
70
SCR
2 SDR
12.00
305
29.31
744
34.31
871
42.81
1087
54.81
1392
16.75
425
6.75
171
11.75
298
7.69
195
14.75
375
3.00
76
9.00
229
11.50
292
8.50
216
2.06
52
9.38
238
5.25
133
1.50
38
.38
10
100
3-4
SER 16.13
410
37.50
953
40.50
1029
60.00
1524
66.50
1689
20.25
514
8.63
219
11.63
295
8.63
219
20.25
514
4.50
114
8.00
203
18.00
457
12.00
305
2.63
67
11.00
279
5.50
140
2.50
64
.50
13
165
SFR 195
5 SGR
20.75
527
62.13
1578
62.13
1578
103.63
2632
103.63
2632
25.75
654
24.13
613
24.13
613
13.88
353
24.13
613
20.00
508
20.00
508
21.50
546
14.38
365
4.75
121
17.00
432
8.00
203
4.00
102
.63
16
375
t Without control transformer.
j With control transformer (Form F4T)
NEMA
Size
Type
Dimensions — Inches/mm
Wt
(Lbs)
G H J K L N P Q, R S, T, U, V
IN mm IN mm IN mm IN mm IN mm IN mm IN mm IN mm IN mm
0-1
SBT
14.25 362 17.25 438 9.50 241 12.25 311 8.88 226 4.50 114 11.00 279 2.38 60 3.13 80 75
SCT
2 SDT 13.63 346 27.63 702 9.50 241 12.25 311 19.25 489 9.63 245 11.00 279 2.38 60 3.13 80 115
3-4
SET
18.13 461 13.63 346 10.00 254 16.25 413 19.25 489 9.63 245 12.63 321 2.38 60 3.75 95 180
SFT
5 SGT 24.50 622 45.63 1159 13.75 349 22.50 572 27.50 699 13.75 349 15.38 391 3.44 87 4.00 102 500
(4) .42 Dia. Mounting Holes
10
Optional
Mounting
(1) 1-11 1/2 Pipe Tap
at Top Std.
(1) 1 - 11 1/2 Pipe Tap
at Bottom Std.
(1) 3/4 - 14 Pipe Tap
at Bottom Std.
11.00
279
9.75
248
.63
16
2.40
61
9.25
235
4.90
125
.63
16
7.00
178
.25
6
7.90
201
12.00
305
13.25
337
12.70
323
8.25
210
(4)
.42 Dia. Mounting Holes
10
Optional
Mounting
(1) 1-11 1/2 Pipe Tap
at Top Std.
(1) 1 1/2 - 11 1/2 Pipe Tap
at Bottom Std.
(1) 3/4 - 14 Pipe Tap
at Bottom Std.
12.00
305
10.75
273
.63
16
2.40
61
10.25
260
5.88
149
.63
16
7.50
191
.25
6
9.63
245
13.75
349
15.00
381
14.44
367
9.25
235
Figure 12 Size 0 and 1 Figure 13 Size 2 Figure 14 Size 0-5
N
A
B
D
C
J
P
F
M
K
H
Mtg. Holes
and/or Slots (3)
Space Required
To Remove
Top Cover
Rear View
Space Required To
Remove Bottom Cover
Circuit Breaker
Operational Handle –
Combination Form Only
(Add 1.00 Inch To
Overall Width)
Overload
Reset
Threaded
Cover
Enclosure
E
Q
R
G
Top View
T
L
Rear Seal
S
(2) "L" Pipe
Tap Top and
Bottom
R
O
VU
H
L
N
ST
G
P
Mounting for 4 Bolts
Circuit Breaker Handle not supplied
on Class 8502 or 8536
1/2" NPT for Breather and Drain
K
J
Figure 15
Full Voltage Contactors and Starters — NEMA
Approximate Dimensions, Shipping Weights – Class 8502, 8536