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Type 2 surge protective devices

 

Narrow and powerful

Type 2 surge protection should be present in every sub-distribution. It is the only way to achieve effective protection.

Switching operations are far and away the most frequent cause of surge voltages. Type 2 surge protective devices provide effective protection against these dynamic disturbance variables. Whether in an industrial environment or in a residential building, type 2 protections ensures basic protection for your installations and devices.
 

Your advantages

  • Low voltage protection level thanks to varistor-based protective circuit

  • Optimum protection against surge voltages thanks to high-performance disconnect device

  • High short-circuit current capability up to 50 kA

  • Saves time, money, and space thanks to use up to 315 A without a backup fuse

  • Easy maintenance thanks to universally pluggable protective devices

 

Most narrow type 2 surge protective device in the world

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​​​​​​​Type 2 surge protection in the sub-distribution

With an overall width of just 12 mm per channel, VALVETRAB SEC is the narrowest type 2 surge protective device in the world. With an overall width of just 48 mm, you are able to implement excellent protection against surge voltages in a five-conductor system.


The protective device offers a voltage protection level of 1.5 kV. This means it meets the requirements of type 3 device protection. VALVETRAB SEC limits voltage peaks to such an extent that machines, systems, and household appliances are not damaged.


​​​​​​​For industry and building installations with an external lightning protection system, type 2 surge protection is the second level of protection after the type 1 lightning arresters. The surge protective device handles short-circuit currents up to 50 kA. You can use the type 2 protective device without a backup fuse up to a main fuse nominal current of 315 A.

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