Type S magnetic contactors and starters are for motor control applications and 8903S lighting contactors are for lighting control applications. This external convertible contact is mounted on the side of a contactor or starter. It is often used as part of the electrical control circuit. This auxiliary contact has one normally open and one normally closed isolated contacts. Auxiliary contact module has a NEMA A600 contact rating with a maximum voltage rating of 600VAC. Inductive break rating of 6.0 A at 120 VAC. Contact modules are UL component recognized and CSA certified.