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Product information

The plug-on current transformer ASK 31.3 is a compact, high-precision low-voltage measuring transformer of the proven ASK series, specially developed for use in power distribution, switchgear, meter panels and industrial measurement and monitoring systems.

Technical main features:
  • Type plug-on current transformer (Plug-on Type) – ASK 31.3
  • Primary conductor bore For round conductors up to max. Ø 31 mm (cable bore)
  • Maximum operating voltage Um ≤ 0.72 kV
  • Rated frequency 50–60 Hz
  • Insulation class E
  • Insulation test voltage 3 kV, 50 Hz, 1 min
  • Mounting Plug-on mounting on primary conductor with additional fastening option

The plug-on current transformer ASK 31.3 is characterized by its very compact design, high reliability and excellent linearity – ideal for applications where simple and fast mounting on existing conductors is required (e.g. retrofit, energy monitoring systems and retrofits in control cabinets).

We will be happy to supply this model from stock at short notice or configure further variants of the ASK series for you.

Contact us for your individual offer!


3D models and more files to each product can be found in our download area downloadarea