Mitsubishi NF400-HEW 4P 400A Description Description Mitsubishi Circuit breaker 4pole. Ir = 200 – 400A; Icu = Ics = 65kA at AC 440V Related products MITSUBISHI A2NCPU MITSUBISHI A3ACPUR21 MITSUBISHI A1ADP-SP MITSUBISHI A985GOT-TBA-EU Mitsubishi FX2N-32ER-ES/UL MITSUBISHI MR-J2-40A