Overvoltage Protection and Specialty Electronics


WAGO’s overvoltage protection and specialty electronics products have many uses.

Interface modules with specialty functions provide safe, error-free signal processing and adaptation.

Our overvoltage protection solutions provide reliable fuse protection against high voltages for electrical equipment and systems (e.g., Varistor terminal blocks).

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Ground Resistance Signaling Module

Early Ground Fault Detection

Increase availability through preventive maintenance.

The Benefits for You:

  • Automated insulation resistance measurement
  • Early detection of potential ground faults
  • Insulation fault indication via LEDs and potential-free contact

Our Overvoltage Protection and Specialty Electronic Products

Overvoltage Protection

With overvoltage protection, electrical equipment and systems can be reliably proteced against high voltage thus ensuring system availability.


  • Protection of the system against overvoltage by using the overvoltage protection modules
  • Space saving thanks to the narrow design
  • Cost savings by preventing downtime
  • High operational safety and system availability by avoiding equipment errors due to over voltage

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Discover all overvoltage protection and specialty electronics products.


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