The Eaton NZMB1-AF20-NA is a three-pole arc-fault circuit breaker rated for 480 VAC and 20 A. Designed for three-phase electrical distribution, it provides arc-fault protection across all three poles to help prevent dangerous electrical arcing. This Eaton device, part number NZMB1-AF20-NA, is intended for installation in three-phase panels where AFCI protection is required.
