Mitsubishi NF400-UEW 4P 400A Description Description Mitsubishi Circuit breaker 4pole. Ir = 200 – 400A; Icu = Ics = 200kA at AC 440V Related products Mitsubishi FX2N-16EX-ES/UL MITSUBISHI FR-PU04 MITSUBISHI E1071 Mitsubishi FX2N-32ER-ES/UL Mitsubishi FX0N-65EC MITSUBISHI FX0-20MR-ES