2 pole screw type right outer side mounted auxilliary contact block, instantaneous N.O. and N.C. contacts, suitable for standard industrial environments
2 pole screw type left outer side mounted auxilliary contact block, instantaneous N.O. and N.C. contacts, suitable for standard industrial environments
2 pole screw type side mounted auxilliary contact block fitted outside CAL18-11, instantaneous N.O. and N.C. contacts, suitable for standard industrial environments