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Product information

The EASK 31.3 500/1A 5VA Kl.0,5 is a compact, high-precision billing current transformer of the proven EASK series, specially developed for use in power distribution, switchgear, meter panels and industrial measurement and monitoring systems.

Technical main features:
  • Type Billing current transformer (tube/rod-type) – EASK 31.3
  • Transformation ratio 500/1 A (primary rated current 500 A, secondary rated current 1 A)
  • Rated power / burden 5 VA
  • Accuracy class accuracy class 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 (cable bore)
  • 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
  • Mounting Foot and rail mounting possible, including insulating protective cap

The EASK 31.3 500/1A 5VA Kl.0,5 is characterised by its very compact design, high reliability and excellent linearity – ideal for applications where precise measurement for billing purposes is required at higher currents (e.g. medium distribution boards, measuring points, energy monitoring systems with moderate power requirements).

We are happy to supply this model from stock at short notice or configure further primary currents of the EASK 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: EASK
Type number: 31.3
accuracy class: 0,5
apparent power (VA): 5
primary current: 500
secondary current: 1