Mitsubishi NF800-SEW 3P 800A Description Description Mitsubishi Circuit breaker 3pole. Ir = 400 – 800A; Icu = Ics = 42kA at AC 440V Related products Mitsubishi FX0N-65EC MITSUBISHI FR-A540-22K MITSUBISHI FR-PU04 MITSUBISHI A3ACPUR21 Mitsubishi FX2N-48ET-ESS/UL Mitsubishi FX2N-16EYT-ESS/U