Residual current sensor for retrofit installation in



The ExxxE-9L current sensor is dedicated for installation on the cables of a gas or insulated switchgear in the primary or secondary energy distribution. The design is splitable and divided into 3 separate rings, which makes it able to put the sensor on an existing cable. The rings make it possible to install this product inside switchgears, where the pole distance of the phases can vary up to 1.5m.


  • Passive technology  – no active parts are inside, nor a power supply is needed
  • Split-able form factor divided in 3 separate rings, perfect for installation on bigger pole distances
  • Easy installation
  • High temperature range
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