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Mersen medium voltage fuses provide short-circuit protection of transformers, distribution lines, medium voltage motors, motor controllers, and more. A full complement of fuse supports, fuse disconnect switches, and accessories are also available.
Mersen HV fuse-links have been used for reliable protection in high-voltage switchgear and controlgear and high-voltage systems for decades.
Mersen’s global range of low voltage disconnect switches encompasses both UL and IEC standard products for AC and DC applications. full line of accessories accommodates virtually any application.
Mersen HelioProtection® PV products have been tested and certified to the latest industry standards for use in photovoltaic applications and guarantee the level of performance required by the PV industry.
Mersen miniature fuses provide maximum protection in minimum space.
Our international range of midget dimension fuses offers you all the protection you require, all within a small footprint.
Mersen has a switch on board solution that will meet your unique needs. Our standard on board disconnect switches are rigorously engineered to meet your unique technical specifications.
Earth Return Current Units (ERCUs), axial or radial, are installed on axles to provide an effective shunt around the bearings. For over 50 years, Mersen ECRUs have protected bearings by virtue of their low contact resistance and permanence of contact.
For more than 50 years, Mersen has been providing the market with safe, reliable and long-life fuse boxes. Our fuse box product line, one of the largest product ranges on the market today, is rigorously engineered to meet your technical specifications and can be customized to your needs.
Current collector devices are used by metro to collect the energy from the third rail to energize the Electrical Multiple Unit installed in the trailers. For 40 years, Mersen has offered the largest range of Current Collector Devices in the market with almost 200 applications running every day all over the world.
ST T23 20 is the series of combined Type 2+3/Class II+III surge protective devices for discharging voltage surges while providing a very fine voltage protection level, in accordance with EN/IEC 61643-11.
Suitable as the final stage of protection in panels with Type 2 protection devices installed upstream such as STP T2 40 SPDs. These SPDs should be installed as close as possible to the equipment being protected. Also available with EMI filter.
STP T2 40 is the series of Type 2/Class II surge protective devices for discharging voltage surges, in accordance with EN/IEC 61643-11 and certified UL 1449 4th Ed.
Suitable for the second stage of protection in supply distribution panels in which Type 1 protection devices are installed upstream, or for the first stage of protection in commercial or other applications not exposed to direct strikes and with no external lightning protection system.
STP T12 is the series of combined Type 1+2/Class I+II surge protective devices for discharging lightning currents and protecting against voltage surges, in accordance with EN/IEC 61643-11. Suitable as the first step of protection in incoming power supply panels and areas with exposure to the atmosphere, where installations are usually provided with an external lightning protection system.