3 Pole 400A Electrical Fuse , Switch Disconnector Fuse Isolator Switch

HR5-400/3P 400a Electrical fuse switch disconnectors Fuse cutout Application scope HR5 series fuse-switch-disconnector (hereinafter refers to switch) is designed for the distribution circuit and electromotor of circuit with high short circuit current with rated AC voltage 380V and 660V {45-62Hz), conventional thermal current up to 630A. It is used as power switch, switch disconnector and emergent switch, and with the function of circuit protection, but not used as direct open