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
49
5/98
© 1998 Square D All Rights Reserved
Non-Reversing — Open Type
Approximate Dimensions
Fig.
No.
NEMA
Size
Type
Mtg.
Holes
ABCDEFGHI JKLMN
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
1
0 and 1
SBO-1, 2
4 9.63 245 7.34 186 5.31 135 8.00 203 .63 16 . . . . . . .22 6 6.91 176 . . . . . . .22 6 4.75 121 2.25 57 5.06 129 .59 15
SCO-1, 2
SBO-3, 4
3 7.13 181 6.91 176 5.31 135 . . . . . . . . . . . . 3.41 87 .47 12 6.22 158 . . . . . . .22 6 3.56 90 1.63 41 5.06 129 .59 15
SCO-3, 4
2
SDO-1, 2 6 12.03 306 8.53 217 6.03 153 10.38 264 .50 13 . . . . . . .25 6 8.13 207 6.25 159 .16 4 5.75 146 2.81 71 5.16 131 .78 20
SDO-3, 4 3 9.00 229 8.06 205 6.03 153 . . . . . . . . . . . . 4.50 114 .38 10 7.50 191 . . . . . . .19 5 4.34 110 2.16 55 5.16 131 .78 20
2
3
SEO-1, 2 4 18.00 457 14.44 367 17.00 432 12.25 311 1.50 38 .69 18 .50 13 6.44 164 7.38 187 1.66 42 2.16 55 . . . . . . . . . . . . . . . . . .
SEO-3, 4 4 12.75 324 12.28 312 11.75 298 10.75 273 1.03 26 .50 13 .50 13 2.50 64 6.75 171 1.16 29 1.16 29 . . . . . . . . . . . . . . . . . .
4
SFO-1, 2 4 18.63 473 15.59 396 17.00 432 12.25 311 1.84 47 1.50 38 1.13 29 6.44 164 7.66 195 1.66 42 1.66 42 . . . . . . . . . . . . . . . . . .
SFO-3, 4 4 14.25 362 14.59 371 13.25 337 12.25 311 1.84 47 .50 13 .50 13 2.94 75 7.38 187 1.66 42 1.66 42 . . . . . . . . . . . . . . . . . .
35
SGO-1, 2t 4 29.28 744 20.28 515 9.38 238 5.41 137 1.28 33 28.00 711 .63 16 12.56 319 19.00 483 .63 15 22.53 572 .50 13 2.41 61 6.63 168
SGO-3, 4 4 19.28 490 20.28 515 9.38 238 5.14 137 1.28 33 18.00 457 .63 16 2.63 67 19.00 483 .63 15 12.53 318 .50 13 2.41 61 6.63 168
46q
SHO-1, 2t 4 29.53 750 22.44 570 9.53 242 6.97 177 3.81 97 28.00 711 .75 19 11.63 295 21.19 538 .63 15 9.88 251 .56 14 3.03 77 9.31 236
SHO-3, 4 4 19.53 496 22.44 570 9.53 242 6.97 177 3.81 97 18.00 457 .75 19 1.69 43 21.19 538 .63 15 9.88 251 .56 14 3.03 77 9.31 236
—7f SJO-3, 4 Consult Square D
t Consequent pole, type starters consist of two 3-pole starters as pictured in Figure 3 and an additional 2-pole shorting contactor (not shown), all on a common base-plate, horizontally
mounted.
q Current transformers used with Size 1 overload relay blocks.
f Solid state overloads and special current transformers.
RESETRESET
J
GH
I
D
B
K
F
Provision for
(4)
.31 Dia. Mounting Screws
8
.50
13
.50
13
.50
13
C
A
E
.56
14
6.25
159
Reset
Travel
7.00
178
A
B
K
(4) L Dia. Mounting Holes
J
H
F
G
D
I
M
E
N
C
Figure 1
Class 8810, Sizes 0, 1 & 2 Types SBO, SCO & SDO
Figure 2
Class 8810, Sizes 3 & 4 Types SEO and SFO
Figure 3
Class 8810, Size 5 Type SGO
Figure 4
Class 8810, Size 6 Type SHO
RESET RESET
A
D
F
E
G
I
H
B
N
J
L
K
C
P
M
Travel
G
F
A
E
B
D
MM
M
H
M
K
J
(4) L Dia.
Mounting Holes
C
I
N
AC Two Speed Magnetic Starters
Dimensions – Class 8810, 8811, 8812