HEMP protection filers meet new IEC/EN 61000-4-24 levels

Believed to be the first HEMP protection filters to address the needs of the commercial market, MPE introduced powerline and equipment variants of filters.

Up until this point, only the very onerous Mil-Std-188-125 had been available to verify any installed HEMP protection system. It is widely accepted that the level of protection for commercial uses need not be as great as for military applications, yet the requirement to meet this military standard demanded filters whose performance, and cost, could often far outweigh practical requirements.

The new IEC/EN 61000-4-24 standard (“Test Methods for Protective Devices for HEMP Conducted Disturbance”), details two lesser severity levels: Industrial Level 1 and Critical Infrastructure Level 2. The standard allows for HEMP protection systems to be verified more exactly for their intended application.

MPE responded swiftly with a range of commercial HEMP protection filters specifically designed to directly address the threat to public utilities, telecommunications, transportation, computer networks, data centres, control rooms, the emergency services and other key national infrastructure within the framework of homeland security.

The filters have been designed with just the same integrity and reliability as the existing wide range of MPE HEMP filters. The company has, however, been able to utilise alternative materials and manufacturing techniques, making the commercial HEMP filters a much more attractive and cost-effective option.

It believes it is the first and only manufacturer globally to have designed and developed a range of commercial HEMP filters to specifically meet the requirements of Severity Levels 1 and 2 and is producing filters to fulfil advance orders at its Knowlsley facility in Merseyside, UK.

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