Mitsubishi NF800-HEW 4P 800A Description Description Mitsubishi Circuit breaker 4pole. Ir = 400 – 800A; Icu = Ics = 65kA at AC 440V Related products MITSUBISHI FX1N-40MR-DS MITSUBISHI E1071 MITSUBISHI FR-PU04 Mitsubishi FX2N-16EX-ES/UL Mitsubishi FX2N-16EYT-ESS/U MITSUBISHI A2NCPU