Art-Nr.: 45774
EWSKD 31.8 3x150/1A 5VA Kl.0,5
The EWSKD 31.8 3x150/1A 5VA Kl.0,5 is a compact, high-precision low-voltage measuring current transformer from 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 current transformer (Window-Type) – EWSKD 31.8
- Transformation ratio 3x150/1 A (three independent secondary windings, rated primary current 150 A, rated secondary current 1 A)
- Rated power / burden 5 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 28 mm (cable entry)
- Maximum operating voltage Um ≤ 0,72 kV
- Rated frequency 50–60 Hz
- Thermal rated continuous current Icth = 1,0 × Ipr (continuous current 1 × rated primary 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 EWSKD 31.8 3x150/1A 5VA Kl.0,5 stands out for its very compact design, high reliability and excellent linearity – ideal for applications in three-phase systems where precise measurement is required at medium to higher currents (e.g. distribution transformers, measuring stations, 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 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
| Properties |
|---|
| Type-Name: | EWSKD |
|---|---|
| Type number: | 31.8 |
| accuracy class: | 0,5 |
| apparent power (VA): | 5 |
| primary current: | 3x150 |
| secondary current: | 1 |