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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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