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References
Accessories for Heavy Industrial
NEMA Style Controls 0
Replacement parts kits
Magnetic contactor and starter contact kits for present designs
Class 9998 replacement parts kits are available for servicing Square D relays, contactors and starters. Each kit contains the
necessary movable and stationary contacts, contact springs (when required; NEMA Size 3 and above do not include contact
springs, and springs are not available), and additional hardware required to service the devices listed below. When servicing
devices having more poles than contained in the corresponding kit, it may be necessary to order an additional kit.
Equipment to be serviced Reference Weight
Class Type NEMA Size or
current rating
Number of
poles in kit
kg (lb)
8502, 8536, 8538,
8539, 8702, 8736,
8903
SA (Series B) 00 3 9998 SJ 1
SB 0 3 9998 SL 2
4 9998 SL 12
SB, SC (power-
pole adder)
0 and 1 1 9998 SL 22
SC 1 and 1P 3 9998 SL 3
14 9998 SL 13
SD 2 3 9998 SL 4
4 9998 SL 14
SD (power-pole
adder)
21 9998 SL 24
SE 3 2 9998 SL 6
3 9998 SL 7
SF 4 2 9998 SL 8
3 9998 SL 9
SG 5 2 9998 SL 10
3 9998 SL 11
SH 6 2 9998 SL 25
3 9998 SL 26
SJ 7 2 9998 SL 30
3 9998 SL 31
L (Series C) and
LX (Series B)
30 A 4 9998 RA 5B
8903 SM 30 A 3 9998 SL 3
4 9998 SL 13
SP 60 A 3 9998 SL 4
4 9998 SL 14
SQ 100 A 2 9998 SL 6
3 9998 SL 7
SV 200 A 2 9998 SL 8
3 9998 SL 9
SX 300 A 2 9998 SL 10
3 9998 SL 11
SY 400 A 2
9998 SL 25
3 9998 SL 26
SZ 600 A 2 9998 SL 32
3 9998 SL 33
SJ 800 A 2 9998 SL 30
3 9998 SL 31
Manual starter contact kits
Equipment to be serviced Reference Weight
Class Type NEMA Size Number of
poles in kit
kg (lb)
2510 M, T M-0 3 9998 ML 1
M-1 and M-1P 3 9998 ML 2
Replacement control transformers (150 VA)
Equipment to be serviced Voltage Reference Weight
Class Type NEMA Size 50 Hz 60 Hz
V V kg (lb
8502, 8536 S 6 220/440-110 240/480-120 31104-512-50
208-120 31104-512-52
277-120 31104-512-53
380-110 31104-512-54
550-110 600-120 31104-512-51
110-110 120-120 31104-512-55
220-110 240-120 31104-512-56