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© 1998 Square D All Rights Reserved
14
5/98
CLASS 8502 AND 8536 APPLICATION
DATA
Power Contact Ratings
All contactors and starters are rated in
accordance with NEMA standards. The ratings
shown in the price tables are for normal service.
For complete data on power contact ratings, refer
to Page 13.
Short Circuit Protection
According to the National Electrical Code branch
circuit overcurrent protection must be provided for
each contactor or starter. For starters refer to
instructions furnished with the thermal unit
selection table. For contactors (Class 8502 or
8702) provide branch circuit overcurrent
protection in accordance with the National
Electrical Code, except do not exceed the
maximum protective device ratings in table below.
Capacitor Switching
The kilovar ratings of enclosed, three phase contactors
used as switches for capacitor loads, when only one
load appears on the secondary of a distribution system
are shown in the table on Page 13.
Maintenance of Equipment
Class 9998 Repair Parts Kits are available for all
Class 8502 contactors and Class 8536 starters.
Service bulletins with a complete list of replaceable
parts are supplied with all enclosed devices.
Separate bulletins can be ordered and are listed
along with the appropriate contact parts kit.
NEMA
Size
Maximum
Voltage
Class
K5, RK5 or
RK1 Fuse
(Ampere)
Class
J or T
Fuse
(Ampere)
Inverse-Time
Circuit
Breaker
(Ampere)
00
600 10
15 15
250 12
0
600 20
30
20
250 25 35
1
600 30
60
40
250 40 60
2
600
60 100
80
250 90
3
600 100
200
125
250 125 150
4 600 200 400 225
5 600 400 600 400
6 600 600 1200t 800
7 600 600 1600t 1200
t Class L Fuse only.
Coil Burdenq
NEMA
Size
No. of
Poles
Inrush VA Sealed VA Sealed Watts
50
Hertz
60
Hertz
50
Hertz
60
Hertz
50
Hertz
60
Hertz
00 2-3 . . . 165 . . . 33 . . . 6
0 & 1 1-5 232 245 26 27 7.7 7.8
2
2 & 3 296 311 36 37
12 14
4 & 5 429 438 37 38
3
2-3 676 700 47 46 15 14
4-5 1260 1185 89 85 23.4 22
4 2-5 . . . 973 . . . 81 . . . 25
5 2-3 2970 2970 250 212 42 39
6a 2-3 1495 1780 56 48 27 32
7a 2-3 . . . 1960 . . . 59 . . . 36
q Mean values.
a Size 6 and 7 have a DC coil. The values shown are for the AC input
to the DC power supply that provides power to the coil.
Device
Service
Bulletin
Replacement
Contacts
Class 9998 Type
NEMA
Type
Type Series
No. of
Poles
00 SA
A 2-3 362AS SL2
B 2-3 556AS SJ1
0 SB A & B
1-3
4
5
277AS
277AS & 250AS
277AS & 250AS
SL2
SL12
(1)SL12 & (1)SL22
or
(1)SL2 & (2)SL22
1 SC A & B
1-3
4
5
278AS
278AS & 250AS
278AS & 250AS
SL3
SL13
(1)SL13 & (1)SL22
or
(1)SL3 & (2)SL22
1P SC A 2 278AS SL3
2SDA
2-3
4
5
279AS
279AS & 293AS
279AS & 293AS
SL4
SL14
(1)SL14 & (1)SL24
or
(1)SL4 & (2)SL24
3SEA
2 305AS SL6
3 305AS SL7
4 326AS (2)SL6
5 326AS (1)SL6 & (1)SL7
4SFA
2 306AS SL8
3 306AS SL9
4 326AS (2)SL8
5 326AS (1)SL8 & (1)SL9
5SGA
2 328AS SL10
3 328AS SL11
6SH
A
2 342AS SL25
3 342AS SL26
B
2 370AS SL25
3 370AS SL26
7SJA
2
397AS
SL30
3 SL31
Terminals
NEMA
Size
Type
Power Terminals Control Terminals
Type
of Lug
Wire
Sizest
Min.-Max.
Type
of Lug
Wire
Sizest
Min.-Max.
00,
0 & 1
SA, SB
& SC
Pressure
Wire
#14-#8
Pressure
Wire
#16-#12
2 SD Box Lug #14-#4
Pressure
Wire
#16-#12
3 SE Box Lug #14-1/0
Pressure
Wire
#16-#12
4 SF Box Lug #8-250 kcmil
Pressure
Wire
#16-#12
5 SG Box Lug #4-500 kcmil
Pressure
Wire
#16-#12
6SH
Parallel
Groove
One or two
250-500 kcmil
per phase
Pressure
Wire
#16-#12
7SJ
Parallel
Groove
One to four
250-500 kcmil
per phase
Pressure
Wire
#16-#12
t Solid or stranded copper wire.
Full Voltage Contactors and Starters — NEMA
Application Data – Class 8502, 8536