Mitsubishi NF800-HEW 4P 800A Description Description Mitsubishi Circuit breaker 4pole. Ir = 400 – 800A; Icu = Ics = 65kA at AC 440V Related products Mitsubishi FX2N-48ER-DS MITSUBISHI MR-J2-40A MITSUBISHI Q02HCPU MITSUBISHI FR-A540-15K-EC MITSUBISHI A3ACPUR21 Mitsubishi FX2N-32ER-ES/UL