Buy 400/1 A plug-on current transformers
Plug-on current transformer · 400 A primary → 1 A secondary · CT factor 400
Stromwandler24 offers 11 plug-on current transformers with ratio 400/1 A: Plug-on / winding current transformers (ALO). Class 0.5 or 1, 1.25–10 VA, aperture for round conductors Ø 20–85 mm. From €53.06 incl. VAT – delivery date at every version.
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Buy 400/1 A plug-on current transformers – questions
Plug-on or split-core CT for 400/1 A?
If the conductor is free during installation, the plug-on CT is the most economical choice. For retrofits in a live installation choose a split-core CT. Plug-on CTs in the guide →
Does it fit my conductor?
The aperture decides. The types in this list take round conductors of Ø 20–85 mm, depending on the version; busbar sizes are in the datasheet of each type. CT finder →
How fast will I receive it?
Every version shows a fixed delivery date. For made-to-order types, 24 or 48 hour express production can be chosen at checkout for a surcharge while capacity allows. Free shipping within Germany from €250 net.





















