Mitsubishi NF800-HEW 4P 800A Description Description Mitsubishi Circuit breaker 4pole. Ir = 400 – 800A; Icu = Ics = 65kA at AC 440V Related products MITSUBISHI FX0-20MR-ES MITSUBISHI FX0-30MR-ES MITSUBISHI FX1N-40MR-DS MITSUBISHI MDS-A-SPJ-22 Mitsubishi FX2N-16EYT-ESS/U MITSUBISHI FR-A540-0.75K-EC