Eaton FWF4100LM08 F-Frame MCCB Unit

Feature & Principle

This molded case circuit breaker integrates thermal and magnetic trip elements. The thermal part responds to long-time overload, while the magnetic part trips instantly under short-circuit fault. It isolates faulty circuits to protect cables, busbars and downstream loads inside distribution panels.

Specifications

Model: FWF4100LM08 Brand: Eaton Series: Series C FWF Frame: F-frame Poles: 4P Rated current: 100 A Trip type: Fixed thermal magnetic Rated voltage: 690VAC Mounting: Fixed installation Certification: UL, IEC, CE

Components & Diagnostics

Thermal bimetallic strip, magnetic trip coil, main contact assembly, arc chute, operating handle, insulating housing. Common faults: nuisance tripping, contact overheating, arc chamber carbon accumulation, trip function failure.

Product Brief

FWF4100LM08 molded case circuit breaker, Eaton low voltage spare widely used for factory distribution cabinets and motor control center branch protection.