The Crouse-Hinds NSB-HFB3050 Molded Case Circuit Breaker is a molded‑case MCCB identified by the NSB-HFB3050 model designation, built to provide overcurrent protection in electrical distribution systems. It interrupts current during overloads or short circuits to protect wiring and connected equipment. Common applications include panel boards, switchgear, and other distribution assemblies that require reliable, automatic interruption of abnormal currents. As a molded‑case breaker, it is designed for installation in enclosures that house protective devices and can be coordinated with compatible accessories within the NSB family.
