Mitsubishi NF800-HEW 4P 800A Description Description Mitsubishi Circuit breaker 4pole. Ir = 400 – 800A; Icu = Ics = 65kA at AC 440V Related products Mitsubishi FX2N-32ET-ESS/UL Mitsubishi FX0N-65EC MITSUBISHI FR-A540-15K-EC MITSUBISHI A1ADP-SP MITSUBISHI FR-A540-22K Mitsubishi FX2N-48ER-DS