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Mersen, founded in 1889, is a global expert in electrical power and advanced materials. The company provides solutions for high-tech industries, including energy, electronics, transportation, chemical, and pharmaceutical sectors. With over 50 industrial sites and 18 R&D centers across 33 countries, Mersen develops customized products such as electrical protection and control devices, power management solutions, anticorrosion equipment, and graphite specialties. The company focuses on innovation and sustainability to address technological challenges and improve industrial performance​.\ Mersen, a global expert in electrical power and advanced materials, works with customers worldwide to design and deliver customized solutions and products into key markets such as Solar, energy storage, renewable energies, E-mobility, power electronics, commercial, and industrial. Mersen’s mission is to make customers’ applications safer and more reliable. Mersen’s extensive fuse offering includes UL/CSA fuses, IEC fuses, Medium Voltage, high speed semiconductor protection, DC fuses, and power distribution blocks. Mersen’s Surge protection SPDs provide the most reliable surge protection solution on the market. Mersen’s expertise extends to products used to optimize operation and increase safety and reliability of power conversion systems including cooling products to cool power electronics, bus bars to manage the interconnectivity of power electronics, high-speed fuses to protect power electronics from destructive current faults, and film and electrolytic capacitors.. Mersen Introduces DQS Series Fast-Acting DC Fuses. D100QS and D70QS high-speed fuses are Mersen’s next evolution for the protection of high-power conversion applications for those industries shifting to DC systems. DQS series fuses are specifically designed to reduce the I2t, peak let-through current, and arc voltages during fault conditions to protect applications such as battery charging systems and other DC components like relays and contactors. Fuses in the DQS Series include: D100QS Series: 50-300A, 1000VDC, L/R ≤1ms, 100kA IR, MBC<3kA D70QS Series: 50-600A, 700VDC, L/R ≤1ms, 20kA IR Applications include: High-power battery charging and management systems protection Energy Storage Systems (ESS) Electrical Energy Storage (EES) Battery Disconnect Unit (BDU) Battery pack protection DC fast-charging station for EV applications Backup protection for DC relay/disconnector/switch Protection of UPS and inverters Electrification in construction, marine, agriculture, manufacturing, mining, transportation, and other industries is a critical trend in cleaner energy. Mersen D100QS and D70QS series fuses were developed in response to market need for DC fuses in these . Revenue $952.6 Million