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We provide a comprehensive line of current-limiting fuses (low voltage, general purpose, medium voltage, semiconductor, miniature and glass, and special purpose) and accessories, fuse blocks and holders, power distribution blocks, low voltage disconnect switches.
Semiconductor protection fuses are used to protect against overcurrent conditions in power electronic equipment. They are specifically designed to reduce the I2t, peak let-through current and arc voltages during a fault condition.
POP CT is the series of combined power frequency overvoltage protection (POP) and surge protection device for discharging surge current in the first step of protection according to EN/IEC 61643-11.
Intended for actuation on the contactor of an installation (not included). Suitable for the first stage of protection in commercial or other applications not exposed to direct strikes and with no external lightning protection system. These devices are suitable for installation in lighting panels.
Combined Type 2+3/Class II+III syreg protective devices for discharging voltage surges while providing a very fine voltage protection level, in accordance with EN/IEC 61643. Solutions suitable for protection of LED outdoor luminaires (street-light and for protection in the fusebox (mast) of LED outdoor luminaires. Due to the exposure of the extremely sensitive LED electronics to lightning–induced overvoltages, STL T23 is a widespread market solution amongst OEM manufacturers of LED lighting systems.
STP PV is the series of surge protective devices that provide advanced overvoltage protection to photovoltaic systems by utilizing Mersen’s optimized dynamic thermal disconnection system, which does not require additional overcurrent protection (back-up fuse) due to its high short-circuit withstand rating. These surge protective devices are suitable for all PV applications: large-scale, rooftop and self-consumption (off-grid) DC installations. The series includes specific multipole products for multiple MPPT (Maximum power point tracker) inverters.
Mersen is a leader in the protection of DIN systems. The offering encompasses a complete range of NH Switch Fuse Disconnectors and any class of NH power fuses : gG, aM, gTr. These devices are to be installed by authorized people.
Mersen’s ferrule fuses are engineered for overcurrent protection and meet the most popular protection priorities.
Mersen’s bladed fuses cover a complete range of applications and a complete range of electrical protection needs.