The Eaton NSB FC3050 Molded Case Circuit Breaker, also known under the Cutler-Hammer brand, is a molded case circuit breaker designed for reliable overcurrent protection in electrical distribution systems. As part of Eaton’s NSB FC3050 MCCB family, it protects downstream circuits in industrial panels and motor control centers from overloads and short circuits. Common applications include feeders and branch circuits in commercial and industrial installations that require code-compliant, dependable protection.
