Issue:
Chattering in a NEMA contactor or starter

Product Line:
NEMA Contactors and Starters

Environment:
8502/8536 Type S Contactors and Starters

Cause:
Identifying cause of chattering

Resolution:
Chatter in a starter can be caused by poor contacts in the control circuit, a chattering input device and low voltage.

Released for: Schneider Electric USA