Yueqing RunEasy Electronic Technology (brand name: ToPro Technology), Led by a group of savvy engineers and industrial experts with over 20 years technical experience, is a leading Electricity meter components manufactures in China, dedicated in R&D, production and supply Current transformers, latching relays, shunts, meter enclosures, electronic cables. Besides, we also support regular Current transformers, split core current transformers for customers.

• Current transformer for Electricity meters, including: DC immune CT , Non -DC immune CT, CT against magnetic field, with high accuracy 0.2Class, 0.1Class and 0.05 class. Conform to Europe standard IEC62053-21 and DIN EN 50470-3;
•  Latching relays, including single phase, two phase and three phase latching relays, certificated according to IEC 62055-31 and IEC61810-1 , have been approved and applied widely in many tenders in worldwide;
• Electricity meter enclosures for single phase and three phase meters, DIN rail meters;
• Shunts, copper links, brass terminals can be customized;
•  Electronic wires;
• Split core current transformer: With multiple window sizes:

        Φ10mm, Φ16mm, Φ24mm, Φ36mm and many output rating choices including

         0-500mA, 333mV, 1A & 5A;

• Residual Current Transformers for fire Monitoring;
• Three phase integrated current transformer;
•  Zero sequence current transformer;
• 10KV-35KV indoor and outdoor high voltage current transformers and high voltage transformers;
• The factory passed ISO9001 quality system certification, and production line carry out TS16949 to guarantee the products quality stable and reliable in long term;
• We paid much attention to cooperate with the materials suppliers, the amorphous alloy materials which developed together have been applied in DC immunity Current transformer successfully, AC and DC error limits under resistive load and inductive load, conform to Europe standard IEC62053-21 and DIN EN 50470-3;
• Wide open discussion with worldwide talented Electrical meter manufacturer designer, we can provide advanced, optimized, cost efficient and reliable solution options for customers, saving cost and creating max value for customers, are one of our missions;
• The advanced production and testing equipment ensure the reliable quality. The workshop equipped automatic winding machines, High-low temperature test chambers; Epoxy resin automatic filling machines, CT Inductance Testers and Calibrators ensure the CT production with high output and good accuracy class;
• High efficiency team and quality management system ensure the goods to customers with consistent quality and on-time delivery, all the questions and inquiry will be replied within 12 hours during the working time;
• We export to Spain, Portugal, Germany, Russia, Turkey, Brazil, India, South Africa, Egypt, South Korea and others overseas market.

Welcome to Join hundreds of TOPRO ’s happy customers, you won't be disappointed !