Mitsubishi NF800-UEW 4P 800A Description Description Mitsubishi Circuit breaker 4pole. Ir = 400 – 800A; Icu = Ics = 200kA at AC 440V Related products MITSUBISHI MR-J2-40A MITSUBISHI FR-PU04 Mitsubishi FX2N-32ER-ES/UL MITSUBISHI MDS-A-SPJ-22 Mitsubishi FX0N-65EC MITSUBISHI FR-A540-0.75K-EC