Fuse switch-disconnectors are used for occasional switching of a load and reliably provide the disconnection from the power supply. The applicable fuses in NH design protect the system against short-circuits and overloads. In practice, they are usually used as main or repair switches.
The fuse switch disconnector 3NP1 is available in five sizes up to 630 A in 1-, 3- and 4-pole versions. The devices have a modular design and can be combined with accessories to form 2-pole switches, for example. Due to the extensive range of accessories, they can be adapted to any application.
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