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Mersen R-Rated fuses are current-limiting, high interrupting rating fuses intended for the short circuit protection of medium voltage motors and motor controllers.

Broad range for high voltage fuses for transformer protection.

Mersen's compact midget Time Delay and Fast Acting fuses are an excellent choice for "supplementary" protection of lighting, solenoid, motor and transformer circuits.

The innovative and comprehensive Modulostar® range of Mersen fuse-holders is finger-safe under IEC standards to an IP20 grade of protection. Modular fuse-holders are available in 1, 2, 3 or 4 poles, with or without visual blown fuse indicator.

The offering encompasses a complete range of NH Switch Fuse Disconnectors and any class of NH power fuses: gG, aM, gTr.

Mersen offers a comprehensive line of European IEC (DIN, NH, BS) fuses, fusegear, and fuse systems.

ProGrid NH vertical fuse switch disconnectors are designed for installation to 185mm busbars systems in triple pole arrangements. The installation depth of ProGrid is 150mm.
Thanks to its modular system, the ProGrid solution allows the installation of individual components, it offers the user the possibility of a quick and easy installation as well as a high degree of protection during installation and maintenance with its two-stage opening: in parallel then in rotation, patented by MERSEN.
2 alternative designs are available for a user-friendly installation according to the needs:
- The standard ProGrid fuse switch disconnector to protect the substation from overcurrent and interrupt the electrical circuit’s flow.
- The smart ProGrid fuse switch disconnector to monitor energy flow in addition to its standard functions; the ProGrid solution can be retrofitted from Standard ProGrid to Smart ProGrid also on customer side.