The ENTES ENT.A20MN 40/5 single-phase current transformer is designed with a primary current of 40 A and a secondary current of 5 A. Its 20 mm line feed-through diameter and screw-fit installation make it suitable for efficient current measurement and monitoring in electrical circuits. Manufactured by ENTES, it is commonly used in applications requiring precise current conversion for metering and protective relay functions. https://elecena.pl/product/28797509/entes-ent-a20mn-single-phase-transformer-40a-5a-20mm-line-diameter 2025-05-25 https://elecena.pl/product/28797509/entes-ent-a20mn-single-phase-transformer-40a-5a-20mm-line-diameter 2026-07-13