Mitsubishi NF400-UEW 4P 400A Description Description Mitsubishi Circuit breaker 4pole. Ir = 200 – 400A; Icu = Ics = 200kA at AC 440V Related products MITSUBISHI FR-PU04 MITSUBISHI A3ACPUR21 MITSUBISHI FX1N-40MR-DS Mitsubishi FX2N-48ER-DS MITSUBISHI A985GOT-TBA-EU MITSUBISHI FR-A540-15K-EC