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Varistor-based type 1 arresters

Do you need surge protection for Lightning Protection Levels III and IV? VALVETRAB MS-T1/T2 meets these requirements without the need for additional risk analysis.

High discharge capacity

The VALVETRAB MS-T1/T2 is varistor-based and has a high discharge capacity with a low residual voltage. Use the device to meet the requirements of Lightning Protection Levels III and IV.

  • The lightning current discharge capacity is 12.5 kA per channel.
  • Choose from the comprehensive product portfolio for 5, 4, and 3-conductor systems.
  • The device can be used worldwide, even with an unstable power supply with high mains voltage fluctuations, thanks to the high continuous voltage of 335 V AC or 175 V AC.
  • The one-hand plug latching ensures a secure fit in the event of strong vibrations.
  • Recurring tests for surge protective devices can be performed quickly and easily using the CHECKMASTER arrester test device from Phoenix Contact.


Halesfield 13
0845 881 2222

Calls will cost 2p/min plus your telephone company’s access charge.


Configure products and solutions for your individual application.

Surge protection for building installation


Surge protection for the power supply

Learning module on surge protection for the power supply.

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