Howard Butler Ltd is the largest UK manufacturer of Current Transformers. We have been manufacturing in England for 90 years. We offer a standard Current Transformer range as well as Current Transformers to customer designs in plastic injection mouldings or cast resin and ring types. Our worldwide sourcing of raw material ensures our products are amongst the most competitive in the world.
Need help selecting a current transformer for your application? You can now download our Current Transformer selection guide here