Mitsubishi NF400-UEW 4P 400A Description Description Mitsubishi Circuit breaker 4pole. Ir = 200 – 400A; Icu = Ics = 200kA at AC 440V Related products Mitsubishi FX2N-16EYT-ESS/U MITSUBISHI FR-A540-0.75K-EC MITSUBISHI A3ACPUR21 MITSUBISHI FR-A540-15K-EC MITSUBISHI A1SX81 Mitsubishi FX0N-65EC