Issue:
What is the part number for a coil transient suppressor module used with the Type S contactors?

Product Line:
NEMA and Definite Purpose Contactors and Starters

Environment:
Type S Contactors and Starters

Cause:
Identification and selection of coil transient suppression module for type S Nema starter.

Resolution:
The 9999ST1 is suitable for Type S size 00 through size 2, and a 9999ST2 for the Type S size 3 through 5. These suppression modules are designed to only be used with 120 volt AC coils.

Released for: Schneider Electric USA