Mitsubishi NF630-HEW 4P 630A Description Description Mitsubishi Circuit breaker 4pole. Ir = 300 – 630A; Icu = Ics = 65kA at AC 440V Related products MITSUBISHI FX0-30MR-ES MITSUBISHI FX1N-40MR-DS MITSUBISHI AJ71E71-S3 MITSUBISHI A1SX81 MITSUBISHI A3ACPUR21 MITSUBISHI FR-A540-15K-EC