Surge protection for the power supply unit

Lightning strikes or switching operations can have disastrous consequences due to surge voltage couplings.

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Protect your power supply


The starting point of a comprehensive surge protection concept is the power supply unit. It is here where transients occur with particularly high levels of damaging energy. This affects all devices, right through from the incoming supply to loads.

Effective protection is divided into two to three protection stages. Protective measures of this kind can be implemented with the FLASHTRAB, VALVETRAB and PLUGTRAB arrester ranges.




Multi-stage surge protection

Effective, multi-stage protection can be created with protection devices such as lightning arresters (type 1), surge arresters (type 2) and device protection (type 3).

In these protective devices, powerful components such as spark gaps or varistors are used. Typical points of installation for the various protective devices are main distribution, subdistribution and the power connection of termination devices.

Typical surge protection devices for the power supply unit

Typical surge protection devices for the power supply unit

Depending on requirements and technical conditions, you should implement multi-stage protection for the power supply unit.

Because, one thing is definite: Without effective protective measures against surge voltages, one must expect high costs for repairing or replacing the facilities affected.


Further information and services related to this article



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