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General information

 

Why surge protection?

External lightning protection alone cannot provide complete safety.
It only protects against fire and other damage to the building. But it cannot prevent destroying power from a nearby lightning strike get into the house via electric mains. This may damage electronic devices or cause smouldering fires.

Another typical cause for malfunction of electronic devices and information technology systems are switching operations in the power supply network. Again you can protect yourself by using DEHN products.

Remember that the most aggravating danger concerns not only households but also companies which are dependent on fully functioning technical systems. Powerful information networks are the backbone of our modern industrial society.
Failures of such systems may cause severe damage and losses or may even lead to a company's bankruptcy.

The cause for disturbances of those information technology systems are multifarious. Reports of electronic insurance companies show alarming numbers: More than 30% of the damage have been caused by electromagnetic interferences.

The "Regulations on Electromagnetic Compatibility of Equipment (EMC Regulations)" came into effect on January 1st, 1996. They contain provisions for trouble-free operation of electrical and electronic systems.
The current state of the art permits effective protection measures for installations and systems against the effects of lightning discharges and surges due to different causes.

Lightning Current Arresters / Surge Arresters

According to their different tasks the protective devices are divided into "Lightning Current Arresters" and "Surge Arresters".
In order to ensure protection surges have to be taken into consideration in "Power Supply Systems" as well as in "Information Technology Systems".

Detailed information:

 

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