Mitsubishi NF800-SEW 4P 800A Description Description Mitsubishi Circuit breaker 4pole. Ir = 400 – 800A; Icu = Ics = 42kA at AC 440V Related products MITSUBISHI FR-PU04 Mitsubishi FX2N-48ER-DS MITSUBISHI FX0-20MR-ES MITSUBISHI A1SX81 MITSUBISHI AJ71E71-S3 MITSUBISHI MDS-A-SPJ-22