Product Brochure

Definite Purpose Control
Replacement Parts Kits, Class 9998
13
04/2014
™
© 1998–2014 Schneider Electric
All Rights Reserved
Replacement Parts Kits, Class 9998
Class 9998 replacement parts kits are available for servicing Square D™ contactors.
Replacement Contact Kits
Each Class 9998 replacement contact kit contains the necessary movable and stationary contacts,
contact springs, and additional hardware required to service the devices listed below.
Contact Units for Melting Alloy Overload Relays
One N.C. contact, Class 9998 Type SO1, is provided in each overload relay block on Class 8911
Type DPS starters. Replacement contact modules are listed in Table 34.
Isolated overload relay alarm circuit contacts are available as an optional feature. A pilot light or
audible alarm can be wired in series with this contact to indicate that the overload relay has tripped.
‘
Table 32: Class 9998 Replacement Contact Kits for 
Class 8965 Reversing/Hoist Contactors
Device To Be Serviced
Contact Kit
Class 9998 Type
Quantity
Contactor, Class 8965 Type Series
RO10
All
RA10
One kit services three polesRO11 RA11
RO12 RA12
Table 33: Class 9998 Replacement Contact Kits for 
Class 8910 Definite Purpose Contactors
Device To Be Serviced
Contact Kit
Class 9998 Type
Quantity
Contactor, Class 8910 Type Series
DPA5 A, B DRC5
One kit per pole
DPA6 A, B DRC6
DPA7 A DRC7
DPA9 A DRC9
Table 34: Class 9998 Replacement Contact Modules
Magnetic Starter
Description
Parts Kit
Class 9998 Type
Size Type
20–90 A DPS
Standard N.C. contact unit SO1
N.O. isolated alarm contact and 
standard N.C. overload contact
SO4
Table 35: DP Type SO1 Contact Ratings
NEMA 
Contact Rating
Volts
(110 V Minimum
Recommended)
Inductive 35% Power Factor
Make Break
AVAAVA
B600
120 30 3600 3 360
240 15 3600 1.5 360
480 7.5 3600 0.75 360
600 6 3600 0.6 360
Class 9998
Type RA10
Class 9998
Type SO1