Magnelab, one of the world’s most respected designers and manufacturers of AC current sensors and current transformers. We are the original manufacturer of split-core current transducers. Our current transformers and transducers measure current ratings, from microamperes to as many as 20,000 amps. Our Rogowski coil flexible-core Rope CT’s come in lengths of 12 to 48 inches, with multiple amperage ratings. Magnelab also designs a range of high quality custom magnetic devices. We work together with individuals and organizations in energy monitoring, aerospace, computers, medical and more.