/products/manufacturers/wuerth-elektronik/b/blog/posts/current-sensorsCurrent Transformers (CTs) operate on the principle of inductive coupling, where the primary current induces a magnetic field in the core, which in turn induces a current in the secondary winding proportional to the primary current. Due to their designen-USTelligent Community 12https://community.element14.com/products/manufacturers/wuerth-elektronik/b/blog/posts/current-sensorsMon, 12 Aug 2024 16:21:33 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:3e83952c-8749-4ad1-aa94-fc1e2d7a6697aswinvenu1<p><img alt=" " src="/resized-image/__size/1280x720/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-3e83952c-8749-4ad1-aa94-fc1e2d7a6697/Screenshot-from-2024_2D00_08_2D00_12-21_2D00_48_2D00_45.png" /></p> <p>This pricing chart is a little confusing! Rogowski coill aren&#39;t that cheap! It&#39;s expensive than current transformers? Right? I remember buying couple of Current transformers for few dollars each. Rogowski coils were few hundred dollars.</p><img src="https://community.element14.com/aggbug?PostID=28119&AppID=30&AppType=Weblog&ContentType=0" width="1" height="1">