Overview
LV HRC fuse systems (NH type) are used for installation systems in non-residential, commercial and industrial buildings as well as in switchboard assemblies of power utilities. They therefore protect essential building parts and systems.
LV HRC fuse systems (NH type) are fuse systems designed for operation by experts. There are no constructional requirements for non-interchangeability of rated current and touch protection.
The components and auxiliary equipment are designed in such a way as to ensure the safe replacement of LV HRC fuse systems or isolation of systems.
LV HRC fuse links are available in the sizes 000, 00, 0, 1, 2, 3, 4 and 4a.
Benefits
- LV HRC fuse links with combination alarm signal the tripping of a fuse by a clear colour change from red to white. This enables fast identification and replacement of the tripped fuse links. This increases system availability.
- The insulated grip lugs made of metal are integrated in the top and bottom covers of the fuse link in moulded plastic and provide greater safety during replacement. The mark shown below indicates that the grip lugs are insulated
- In the standard series with front indicator, the front-mounted red indicator signals the tripping of a fuse.
- LV HRC fuse links are always equipped with silver-plated contact pins. This means that they are non-corroding and have less contact resistance. This ensures the long-term operational safety of the plant
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