Art-Nr.: 33557
EWSK 31.5 40/5A 10VA Kl.0,5
The EWSK 31.5 40/5A 10VA Kl.0,5 is a compact, high-precision low-voltage measuring current transformer from the proven EWSK series, specially developed for use in power distribution, switchgear, meter panels and industrial measurement and monitoring systems.
Key technical features:- Type toroidal core current transformer – 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 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 (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 × 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 82 mm × height 82 mm × depth 42 mm
- Weight (approx.) 0,40–0,45 kg (depending on version)
- Mounting DIN rail mounting possible, including insulating protective cap
The EWSK 31.5 40/5A 10VA Kl.0,5 stands out for its very compact design, high reliability and excellent linearity – ideal for applications where high-precision measurement is required at relatively low currents (e.g. smaller distribution boards, 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 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: | 0,5 |
| apparent power (VA): | 10 |
| primary current: | 40 |
| secondary current: | 5 |