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Can power poles be added to the Class 8903 Type SM** 30 amp lighting contactor?

Yes, the standard 2-pole and 3-pole contactors will accept up to two additional 30 amp power poles which may be field added or factory modified; select part number from the following.
Note: Power poles cannot be added to 4-pole or 5-pole devices or devices which are mechanically interlocked.

One normally open adder pole, order 9999SB6 for field modification. Factory modification use Form Y428.
One normally closed adder pole, 9999SB7 for field modification. Factory modification use Form Y429
One normally open adder pole and one normally closed adder pole, order 9999SB8 for field modification. Factory modification use Form Y435
Two normally open adder poles, order 9999SB9 for field modification. Factory modification use Form Y430
Two normally closed adder poles, order 9999SB10 for field modification. Factory modification use Form Y434


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