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Product information

The clip-on current transformer EWSK 31.5 75/5 A 15 VA Kl. 0,5 is a compact, high-precision low-voltage measuring transformer of the proven EWSK series, specially developed for use in power distribution, switchgear, meter panels and industrial measurement and monitoring systems.

Technical main features:
  • Type clip-on current transformer (split-core) – EWSK 31.5
  • Transformation ratio 75/5 A (primary rated current 75 A, secondary rated current 5 A)
  • Rated power / burden 15 VA
  • Accuracy class Kl. 0,5 (according to IEC/EN 61869-2 or DIN EN 61869-2)
  • Primary conductor bore For round conductors up to max. Ø 31 mm (opening width)
  • Maximum operating voltage Um ≤ 0,72 kV
  • Rated frequency 50–60 Hz
  • Thermal rated continuous current Icth = 1,0 × Ipr (continuous current 1 × primary rated current)
  • Thermal rated short-time current Ith = 60 × Ipr, 1 s
  • Insulation class E
  • Insulation test voltage 3 kV, 50 Hz, 1 min
  • Dimensions (approx.) Width 60 mm × height 80 mm × depth 35 mm
  • Weight (approx.) 0,3–0,4 kg (depending on version)
  • Mounting Clip-on mounting, rail mounting possible

The EWSK 31.5 75/5 A 15 VA Kl. 0,5 is characterised by its simple retrofitting capability, high reliability and excellent linearity – ideal for applications where precise measurement without interrupting the line is required at medium currents (e.g. retrofit in existing systems, measuring stations, energy monitoring systems).

We are happy to supply this model from stock at short notice or configure further primary currents of the EWSK series for you (30 A to 1000 A possible).

Contact us for your individual quote!


3D models and more files to each product can be found in our download area downloadarea
Properties
Type-Name: EWSK
Type number: 31.5
accuracy class: 0,5
apparent power (VA): 15
primary current: 75
secondary current: 5