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Product information

The EWSKD 31.8 3x150/1A 5VA Kl.0,2 is a compact, high-precision low-voltage measuring current transformer of the proven EWSKD series, specially developed for use in power distribution, switchgear, meter panels and industrial measurement and monitoring systems.

Key technical features:
  • Type Window-type current transformer – EWSKD 31.8
  • Transformation ratio 150/1 A (rated primary current 150 A, rated secondary current 1 A, 3-phase version)
  • Rated power / burden 5 VA
  • Accuracy class accuracy class 0.2 (according to IEC/EN 61869-2 or DIN EN 61869-2)
  • Primary conductor bore For round conductors up to max. Ø 31 mm (window diameter 31.8 mm)
  • Maximum operating voltage Um ≤ 0.72 kV
  • Rated frequency 50–60 Hz
  • Thermal rated continuous current Icth = 1.2 × Ipr (continuous current 1.2 × rated primary current)
  • Thermal rated short-time current Ith = 100 × Ipr, 1 s
  • Insulation class E
  • Insulation test voltage 3 kV, 50 Hz, 1 min
  • Dimensions (approx.) Width 80 mm × height 80 mm × depth 45 mm
  • Weight (approx.) 0.4–0.6 kg (depending on version)
  • Mounting Rail and wall mounting possible

The EWSKD 31.8 3x150/1A 5VA Kl.0,2 stands out for its very compact design, high reliability and excellent linearity – ideal for applications where high-precision measurement is required at medium currents (e.g. larger distribution boards, measuring stations, energy monitoring systems with higher power requirements).

We are happy to supply this model from stock at short notice or configure further primary currents of the EWSKD series for you.

Contact us for your individual quotation!


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

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