Art-Nr.: 33603
EWSK 31.5 75/5A 2,5VA Kl.0,5s
Product information
The EWSK 31.5 75/5A 2,5VA Kl.0,5s is a compact, high-precision low-voltage measuring current transformer of 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 75/5 A (primary rated current 75 A, secondary rated current 5 A)
- Rated power / burden 2,5 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 28 mm (window 31 × 31 mm)
- 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 72 mm × height 72 mm × depth 45 mm
- Weight (approx.) 0,25–0,35 kg (depending on version)
- Mounting DIN rail and wall mounting possible, including secondary short-circuit device
The EWSK 31.5 75/5A 2,5VA Kl.0,5s is characterised by its very compact design, high reliability and excellent linearity – ideal for applications where precise protection and measurement is required at medium currents (e.g. distributors, relay systems, energy monitoring systems with protection function).
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): | 2,5 |
| primary current: | 75 |
| secondary current: | 5 |