Skip to main content Skip to search Skip to main navigation
0
My collective-request products

No products added yet

Go to collective request


Product information

The EWSK 31.5 75/5A 5VA Kl.0,5s 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 window current transformer (Window-Type) – EWSK 31.5
  • Transformation ratio 75/5 A (primary rated current 75 A, secondary rated current 5 A)
  • Rated power / burden 5 VA
  • Accuracy class Kl. 0,5 s (according to IEC/EN 61869-2 or DIN EN 61869-2)
  • Primary conductor bore For round conductors up to max. Ø 31 mm (window bore)
  • Maximum operating voltage Um ≤ 0,72 kV
  • Rated frequency 50–60 Hz
  • Thermal rated continuous current Icth = 1,2 × Ipr (continuous current 1,2 × primary rated 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 58 mm × height 70 mm × depth 42 mm
  • Weight (approx.) 0,25–0,30 kg (depending on version)
  • Mounting Screw or clip mounting possible, including secondary short-circuit device

The EWSK 31.5 75/5A 5VA Kl.0,5s is characterised by its robust design, high reliability and excellent linearity – ideal for applications where precise measurement and protection function are required at medium currents (e.g. distribution boxes, measuring points, 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 EWSK series for you.

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: 0,5s
apparent power (VA): 5
primary current: 75
secondary current: 5