What power poles can be field added to the Class 8903 Type L*80 or 8903LX*80 lighting contactor?<br />
Add 1-pole kits only. One each of an 8903L1L and 8903L1R can be added to convert to a 10-pole contactor. Add 2-pole kits only. One each of an 8903L3L and 8903L3R can be added to convert to a 12-pole contactor. Note: Always keep the unit balanced; do not add a single-pole kit to one side and a double-pole kit to the other.