Mitsubishi NF400-SEW 4P 400A Description Description Mitsubishi Circuit breaker 4pole. Ir = 200 – 400A; Icu = Ics = 42kA at AC 440V Related products MITSUBISHI A2NCPU Mitsubishi FX2N-32ER-ES/UL Mitsubishi FX2N-48ER-DS MITSUBISHI A1ADP-SP MITSUBISHI FR-PU04 MITSUBISHI MDS-A-SPJ-22