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External Protection

Internal Protection

Voltage  surges  are  caused  by  direct  and  indirect  lightning  strikes, and by switching operations within power  networks.  That  is  why  surge  protection  guards  not  only against  lightning,  but  also  against other  power  line and telecommunication line interference.

Surge protection equipment ensures that power lines under voltage are properly equipotentially bonded. It responds before the insulation in electrical and electronic appliances can be irreparably damaged by surges.

Catalog OBO
Surge Arrester

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