Surge Detector and Recorder


Weidmuller introduces a new DIN-rail mounted surge detector and recorder, the Varitector Logger 30. The Logger 30 is designed to detect transient surges over 50A in ground circuits of industrial control systems. This new module expands the Weidmuller surge protection portfolio with a key analytical tool capable of helping users vulnerable to lightning surges to understand the transient voltage activity in their control and distribution systems. The self-contained IP20 module with an integral LCD display provides access to time-stamped surge event data. 

The Varitector Logger 30 provides the ability to verify how many transient events have occurred, along with their timing. This unit is ideal for use in sensing current surges through the ground circuit from a surge protection device. The Logger 30 comes with a clamp-on toroidal sensor and battery-driven electronics, for quick and easy installation.


  • detects transient surges over 50A
  • clamp-on toroidal sensor
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