Mitsubishi NF800-HEW 4P 800A Description Description Mitsubishi Circuit breaker 4pole. Ir = 400 – 800A; Icu = Ics = 65kA at AC 440V Related products MITSUBISHI FX0-30MR-ES MITSUBISHI FR-A540-15K-EC MITSUBISHI MR-J2-40A MITSUBISHI A3ACPUR21 MITSUBISHI FX0-20MR-ES Mitsubishi FX2N-32ER-ES/UL