Art-Nr.: 33593
EWSK 31.5 40/5A 10VA Kl.0,5s
The window-type current transformer EWSK 31.5 40/5A 10VA Kl.0,5s is a compact, high-precision low-voltage measuring transformer from the proven EWSK series, specially developed for use in power distribution, switchgear, meter panels and industrial measuring and monitoring systems.
Technical main features:- Type window-type current transformer (Window-Type) – EWSK 31.5
- Transformation ratio 40/5 A (primary rated current 40 A, secondary rated current 5 A)
- Rated power / burden 10 VA
- Accuracy class accuracy class 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 = 1,0 × 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.) 0,25–0,30 kg (depending on version)
- Mounting Rail and wall mounting possible, including insulating protective cap
The EWSK 31.5 40/5A 10VA Kl.0,5s is characterised by its very compact design, high reliability and excellent linearity – ideal for applications where highly precise measurement is required at moderate currents (e.g. medium 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 EWSK series for you (30 A to 300 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: | 0,5s |
| apparent power (VA): | 10 |
| primary current: | 40 |
| secondary current: | 5 |