How many 9999SX11 or SX12 internal auxiliaries can fit into a 8502/8536SAO** thru SDO** contactor or starter ?
Type S Accessories and Components
One additional 9999SX11 or SX12 can be put into a lower right cavity in the base of these Size 00 thru 2 contactors . There is one 9999SX11 in the upper left cavity as standard for holding circuit purposes . If 2 wire control is used, this upper left interlock is free to be used for other electrical signaling .