Mitsubishi NF630-HEW 3P 630A Description Description Mitsubishi Circuit breaker 3pole. Ir = 300 – 630A; Icu = Ics = 65kA at AC 440V Related products MITSUBISHI FR-PU04 MITSUBISHI FR-A540-22K MITSUBISHI FX0-30MR-ES MITSUBISHI A3ACPUR21 Mitsubishi FX2N-48ER-DS MITSUBISHI FR-A540-0.75K-EC