The Schneider Electric LR9F5357 (30–50 A) is a thermal overload relay for TeSys F series contactors (F115–F185), providing reliable motor protection against overload, phase loss, and unbalance.
Adjustable current range: 30–50 A
Class 10A trip for fast motor protection
Protection against overload & phase failure
Manual or automatic reset options
Equipped with 1 NO + 1 NC auxiliary contacts
Direct mounting on F115–F185 contactors