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
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© 1998 Square D All Rights Reserved
Non-Reversing — Non-Combination — Enclosed
Approximate Dimensions
NEMA Type 4 Enclosure – Figure 3
Type
AB CDEFGHIJ
IN mm IN mm IN mm IN mm IN mm IN mm IN mm IN mm IN mm IN mm
SBW and SCW 12.63 321 14.69 373 7.81 198 4.25 108 4.19 106 .59 15 13.50 343 .31 8 1.66 42 2.31 59
SDW 14.88 378 15.75 400 8.25 210 4.25 108 5.31 135 .38 10 15.00 381 .31 8 2.03 52 2.63 67
SEW-3 & -4 and SFW-3 & -4 18.16 461 32.22 818 8.77 223 12.00 305 3.08 78 .86 22 30.50 775 .44 11 2.58 66 3.19 81
SEW-1 & -2 and SFW-1 & -2 22.16 563 42.22 1072 9.77 248 16.00 406 3.08 78 .86 22 40.50 1029 .44 11 2.33 59 2.89 73
SGW-1, 2, 3, 4 35.22 895 49.22 1250 12.13 308 27.00 686 4.09 104 .61 15 48.00 1219 .56 14 2.98 76 3.50 89
NEMA Type 7 & 9 Enclosure – Figure 4
Type
ABCDEFGHJ KLMNPR
IN mm IN mm IN mm IN mm IN mm IN mm IN mm IN mm IN mm IN mm IN mm IN mm IN mm IN mm IN mm
SCR-1, 2, 3 & 4
Std. & Form Y79-1
12.00 305 41.06 1043 68.06 1729 16.75 425 7.25 184 7.69 195 26.13 664 3.00 76 24.00 610 8.50 216 2.06 52 9.38 238 5.25 133 1.50 38 .38 10
SCR-1, 2, 3 & 4
Forms T & TY79-1
12.00 305 46.13 1172 79.13 2010 16.75 425 12.25 311 7.69 195 26.13 664 9.00 229 24.00 610 8.50 216 2.06 52 9.38 238 5.25 133 1.50 38 .38 10
SDR-1, 2, 3 & 4
Std. & Form Y79-1
16.13 410 48.50 1232 81.50 2070 20.25 514 12.50 318 8.63 219 27.75 705 8.00 203 25.00 635 12.00 305 2.63 67 11.00 279 5.50 140 2.50 64 .38 10
SCR-1, 2, 3 & 4
Forms T & Y79-1
16.13 410 50.50 1283 85.00 2159 20.25 514 9.13 232 8.63 219 32.75 832 4.50 114 30.00 762 12.00 305 2.63 67 11.00 279 5.50 140 2.50 64 .38 10
For Sizes 3, 4 and 5 consult Square D field office.
(4) H Dia. Mounting Holes
G
B
F
C
J
I
RESET RESET
ED
A
Figure 3
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
Figure 4
AC Magnetic Starters
Application Data – Class 8810, 8811, 8812