The Eaton Cutler-Hammer NSB ELFD3015L molded case circuit breaker (MCCB) is a specific NSB-series protection device identified by model ELFD3015L. It provides overcurrent protection for electrical circuits by interrupting current when the load exceeds set limits, suitable for installations that specify NSB MCCBs. This description references the ELFD3015L variant within Eaton's Cutler-Hammer MCCB lineup, indicating the exact part number for ordering and replacement.
