Mitsubishi NF400-UEW 4P 400A Description Description Mitsubishi Circuit breaker 4pole. Ir = 200 – 400A; Icu = Ics = 200kA at AC 440V Related products MITSUBISHI FX0-30MR-ES MITSUBISHI MR-J2-40A MITSUBISHI FR-PU04 Mitsubishi FX2N-16EYT-ESS/U MITSUBISHI A985GOT-TBA-EU MITSUBISHI E1071