Mitsubishi NF800-UEW 4P 800A Description Description Mitsubishi Circuit breaker 4pole. Ir = 400 – 800A; Icu = Ics = 200kA at AC 440V Related products MITSUBISHI A3ACPUR21 MITSUBISHI A1SX81 MITSUBISHI A1ADP-SP Mitsubishi FX2N-16EX-ES/UL Mitsubishi FX2N-16EYR-ES/UL Mitsubishi FX2N-32ET-ESS/UL