Can power poles be added to the Class 8903 Type SQ 100 amp lighting contactor?
Power poles may be added in the field or in the factory for any Class 8903 Type S lighting contactor. However power pole adders are only available in 30 or 60 amp modules which can be normally open or normally closed. See page 14-125 for filed addition selection or page 14-112 for factory modification of Digest 173. Note maximum number of power poles is 5.