Mitsubishi NF630-HEW 4P 630A Description Description Mitsubishi Circuit breaker 4pole. Ir = 300 – 630A; Icu = Ics = 65kA at AC 440V Related products Mitsubishi FX2N-16EX-ES/UL MITSUBISHI FR-PU04 Mitsubishi FX2N-48ER-ES/UL Mitsubishi FX2N-16EYT-ESS/U MITSUBISHI E1071 MITSUBISHI A2NCPU