Mitsubishi NF400-SEW 3P 400A Description Description Mitsubishi Circuit breaker 3pole. Ir = 200 – 400A; Icu = Ics = 42kA at AC 440V Related products MITSUBISHI A1SX81 Mitsubishi FX0N-65EC Mitsubishi FX2N-48ET-ESS/UL MITSUBISHI A2NCPU Mitsubishi FX2N-32ER-ES/UL MITSUBISHI MR-J2-40A