Mitsubishi NF800-UEW 4P 800A Description Description Mitsubishi Circuit breaker 4pole. Ir = 400 – 800A; Icu = Ics = 200kA at AC 440V Related products MITSUBISHI FX0-30MR-ES MITSUBISHI FR-A540-0.75K-EC MITSUBISHI E1071 Mitsubishi FX2N-16EYT-ESS/U Mitsubishi FX0N-65EC MITSUBISHI A1ADP-SP