Mitsubishi NF400-SEW 3P 400A Description Description Mitsubishi Circuit breaker 3pole. Ir = 200 – 400A; Icu = Ics = 42kA at AC 440V Related products MITSUBISHI FR-PU04 MITSUBISHI FR-A540-22K MITSUBISHI E1071 MITSUBISHI FX0-20MR-ES Mitsubishi FX2N-48ER-ES/UL MITSUBISHI A2NCPU