The E 90 fuse holders for cylindrical Class CC fuse links have been specially developed for the North American market in accordance with UL standards. In accordance with the reference standards UL 4248-1 and UL 4248-4, they are available in versions with a rated voltage of up to 600 V and a rated current of up to 30 A. They are available in 1P, 1P+N, 2P, 3P, 3P+N and 4P versions. They can be locked with a padlock (open position) or sealed (closed position). E 90 fuse holders are an ideal solution for process control systems and industrial plants, automation systems and control circuits. The versions with fuse blown indicator indicate a fuse failure with a visual signal.