Mersen is a self described global expert in electrical specialties and graphite-based materials, Mersen designs innovative solutions to address its clients specific needs to enable them to optimize their manufacturing process in sectors such as energy, transportation, electronics, chemical, pharmaceutical and process industries.

The Mersen brand, well known for Ferraz Shawmut fuses has been supported in New England by HESCO for many years. We maintain an inventory of many of the most commonly requested items and offer highly competitive pricing.

A partial listing of Mersen products is listed below.


MN-BD-01 Low Voltage General Purposbutton-read-moree Fuses

MN-BD-02 Miniature Fusesbutton-read-more


MN-BD-03 Fuse Blocks & Holdersbutton-read-more


MN-BD-04 Special Purpose Fusesbutton-read-more

MN-BD-05 Accessoriesbutton-read-more

MN-BD-06 Semiconductor Protection Fusesbutton-read-more

MN-BD-07 Medium Voltage Fusesbutton-read-more

Fuse Blocks & Holders


button-read-moreMN-BD-08The innovative and comprehensive UltraSafe™ range of Mersen fuse-holders. Modular fuse-holders are finger-safe under IEC standards to an IP20 grade of protection, including fuse changing (with the flick of a finger). Modular fuse-holders are available in 1, 2, 3 or 4 poles, with or without visual blown fuse indicator, in UL + IEC version. Multi-pole units can also be field assembled by ordering pin-ties assembly kit. In size 14 or 22, the range also offers the possibility to use microswitches (supplied with the holders or ordered separately) to allow remote indication. UltraSafe™ range is made of tough and durable thermoplastic or thermoset material.

USGM – Midget

MN-BD-09Mersen’s new USGCC & USGM series fuseholders deliver the ultimate ease-of-use, time (labor) saving and reliable solution available in the marketplace. Mersen is the first manufacturer to offer screw-less, spring pressure, wire termination technology into a power fuseholder, delivering the best of both technologies to its customers. Now you can experience the combined benefits of safety, ease-of-use, labor savings and reliability of UltraSafe fuseholders and spring pressure technology.button-read-more




Mesen Surge Protector DevicesMersen, is an industry pioneer in surge protection technology,  and has developed a world-class suite of surge protection devices for your entire facility. Surge-Trap® SPDs are designed to UL1449 3rd Edition standards and feature Mersen’s industry leading patented TPMOV® technology inside. Providing advanced overvoltage protection to meet today’s toughest requirements, you can rely on Mersen’s Surge-Trap® SPDs for proven and safe facility-wide protection.button-read-more

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