Mitsubishi NF800-SEW 4P 800A Description Description Mitsubishi Circuit breaker 4pole. Ir = 400 – 800A; Icu = Ics = 42kA at AC 440V Related products MITSUBISHI FX0-30MR-ES Mitsubishi FX2N-16EYR-ES/UL MITSUBISHI Q02HCPU MITSUBISHI MDS-A-SPJ-22 Mitsubishi FX2N-48ET-ESS/UL Mitsubishi FX2N-48ER-DS