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Mersen enclosed disconnect switches are designed to meet customer’s requirements for compact and durable individual disconnecting means. Both fusible and non-fusible versions are available in a variety of enclosures types resulting in one of the largest available ranges in the industry.
The enclosed disconnect switch range offers safety, ease of installation, space savings and operational convenience to end-users.

Current-limiting power fuses are widely used in industrial plants, shopping centers, hospitals, schools, office buildings and underground residential service because they afford excellent over-current protection and noiseless operation, and because they can be used in confined spaces.

The Sure Guard ETP back-up current-limiting fuses are designed to protect overhead distribution systems and are used in series with another protective device (such as an expulsion fuse). This combination limits the high-fault current to a safe level, thus providing protection through the complete range.

Designed specifically for Mersen’s HP6J and HP10J series of photovoltaic fuses, Mersen’s HPJ fuse holders are certified for use with 90°C temperature rated conductors, an industry first. Fuse holders are available with box connectors, stud connectors or a combination of the two in order to meet various customer requirements. Insulators are either molded glass-filled polycarbonate or phenolic with verified dielectric strength in excess of 2500V. All fuse clips are made of high conductivity tin-plated copper.