Eaton NSB FAZ-B30 2-NA Miniature Circuit Breaker

The Eaton NSB FAZ-B30 is a miniature circuit breaker designed to provide rapid and reliable overcurrent protection for electrical branch circuits within industrial and commercial power distribution systems. Engineered with a Type B tripping curve derived from the B30 model code, this unit manages a nominal current of 30A while accepting a maximum voltage rating of 277V to handle fluctuating loads safely, providing robust insulation coordination for sensitive electronic components downstream. Because of its 2-NA designation which signifies a 2P dual-pole configuration, the device isolates two live conductors simultaneously, ensuring that full circuit disconnection occurs during fault conditions to prevent equipment damage or potential personnel hazards in the workspace. Supporting both 50 Hz and 60 Hz operational frequencies, the FAZ series maintains stable performance regardless of the regional grid supply, making it versatile for international manufacturing plants or US-based commercial building retrofits where lighting and control voltages match this specific rating profile. When installed in appropriate enclosures, this component serves as a critical safety interface that protects downstream wiring and appliances from thermal overload or high-current spikes inherent in heavy-duty electrical operations.