The EWSK 31.5 25/5A 5VA Kl.0,5 is your ideal choice for precise current measurements with high accuracy and reliability. Thanks to its accuracy class of 0,5 this current transformer delivers reliable measurement results that are crucial for your electrical installations.
With an apparent power of 5 VA this transformer offers both efficiency and power, while it transforms a primary current of 25A into a secondary current of 5A. These properties make it perfectly suitable for small to medium applications where space and efficiency are crucial.
Rely on the EWSK 31.5 and benefit from its exceptional performance and durability. Ensure that your systems are equipped with this outstanding measurement technology.
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current transformer knowledge
Background knowledge on the selection, dimensioning and technical parameters of current transformers – prepared in a practical manner.
Read morecurrent transformer correctly select & dimension
Published on 10 July 2026 · Updated on 31 July 2026
The choice of the suitable current transformer depends on primary current, connection values and purpose of use. This guide leads step by step through the most important selection criteria.
Read moreAccuracy classes for current transformers explained
Published on 10 July 2026 · Updated on 31 July 2026
What do specifications like class 0,5 or 0,2s mean for a current transformer? An overview of the common accuracy classes and their areas of application.
Read moreStromwandler richtig anschließen
Published on 24 September 2026 · Updated on 25 September 2026
Ein Stromwandler misst nur dann richtig, wenn er in der richtigen Richtung eingebaut und sekundärseitig korrekt verdrahtet ist. Entscheidend sind drei Punkte: Die Primärklemme P1 (K) zeigt zur Einspeisung, die Sekundärkl…
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