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Welcome to Sentran Corporation

Manufacturer of Current Transformers, Current Transducers and current Sensors

Sentran Corporation designs and manufactures high quality and accurate current transformers and voltage monitors, at a reasonable price. All of our products are designed and manufactured in Salem, Oregon, USA. We work closely with leading testing organizations, such as Underwriters Labs and ETL-Intertek, while also adhering to the predominant industrial standards - IEEE, ANSI & NEMA.


4N04 Waterproof Current TransformerResidential neighborhood pad mounted transformersResidential neighborhood pad mounted transformers are equipped with outdoor, water proof split current transformers for major US utility. Thousands of our Model 4N04 split current transformers are used to measure accurate energy consumption for major utility.



Miniature clamp-on split current transformers Miniature clamp-on split current transformers, our Model LC, are being used to monitor electrical data on a continuous basis by large city power company in Washington State. Sentran Corporation exceeded the customer’s expectations and supplied continuous high quality current readings.

Over 10,000 miniature clamp-on split current clamp on current transformers, Sentran Corporation Model LC have been installed in major computer server center to monitor energy consumption. Units were used to interface computer power supplies to our customers data collection instrumentation.



weather proof, split current transformers, Model 4NO4 manufactured by Sentran CorpUtility pole mounted outdoor, weather proof, split current transformers, Model 4NO4 manufactured by Sentran Corp are being used to monitor fault ground current. Thousands are in service.