Eaton NSB FAZ-B50 is a three-pole miniature circuit breaker designed to protect three‑phase circuits with a 50 A rating. It is rated for 120/240 V AC and supports operation at 50/60 Hz, making it suitable for standard electrical distribution panels. As part of the FAZ family, the FAZ-B50 designation identifies a 50 A protection device within Eaton's NSB FAZ line for use in panelboards requiring three-pole MCB protection.
