High Frequency Current Transformer

Accelerate your measurement accuracy, cut equipment downtime, and lower total cost of ownership. Designed for purchasing managers, technical directors, and operations leaders who demand reliable data without premium pricing. In 2025, a survey of

High Frequency Current Transformer – Precise, Low‑Cost Power Sensing for Industrial & Energy Applications

Accelerate your measurement accuracy, cut equipment downtime, and lower total cost of ownership. Designed for purchasing managers, technical directors, and operations leaders who demand reliable data without premium pricing.

Get Free Quote in 24 h

1. The Real Cost of Inaccurate Current Measurement

In 2025, a survey of 312 U.S. manufacturers revealed that **28 %** of production losses were linked to faulty current monitoring, translating to an average annual loss of **$3.2 million** per plant.

  • High price & low quality: Conventional transformers often cost 30‑40 % more while delivering ±5 % accuracy only at 50 Hz.
  • Limited bandwidth: Legacy devices cannot capture fast transients above 1 kHz, causing missed fault detection.
  • Long lead times: Overseas suppliers average 45‑60 days, delaying critical projects.
  • Regulatory risk: Non‑compliant units fail IEC 61869 or RoHS checks, leading to costly redesigns.

These pain points erode ROI, increase maintenance budgets, and jeopardize compliance.

See How We Solve It →

2. Why Our High Frequency Current Transformers Stand Out

Core Advantages

  • Ultra‑wide bandwidth: 50 Hz – 2 MHz, perfect for power‑electronics and renewable‑energy monitoring.
  • High accuracy: ±0.2 % at 100 kHz, reducing measurement error by up to 40 % vs. standard devices.
  • Cost‑effective design: Optimized core geometry cuts material cost 22 % while maintaining IEC 61869 Class 0.2 performance.
  • Fast delivery: 7‑day standard lead time from our 5,000 m² factory (10 R&D engineers, 14 automated lines).
  • OEM/ODM flexibility: Custom winding, housing, and terminal options; low‑volume (≥500 pcs) and high‑volume (≤50k pcs) runs.
  • Full compliance: CE, FCC, RoHS, ISO 9001, VDE, and IEC 61869 certifications.

Technical Specification Sheet

Parameter Typical Value Unit Compliance
Primary Current Rating 0.1 – 200 A IEC 61869‑2
Frequency Range 50 Hz – 2 MHz
Accuracy (at 1 kHz) ±0.2 % IEC 61869‑2
Burden 0.5 – 5 VA
Temperature Range ‑40 – +85 °C IEC 60068‑2‑1
Material Nanocrystalline + Copper RoHS, REACH

Application Scenarios & Case Studies

Industrial Motor Drives: A U.S. automotive parts maker replaced legacy CTs with our HFCTs, cutting false‑trip events by 38 % and saving $120 k annually.

Renewable Energy Inverters: A solar‑farm operator used our 2 MHz‑rated units to monitor inverter harmonics, achieving compliance with IEEE 1547‑2023 on the first audit.

Medical Imaging Equipment: Our custom‑wound HFCTs provided stable current feedback for MRI gradient coils, reducing downtime by 22 %.

Request a Sample →

3. Trusted by Global Leaders

“Switching to Xinchangda’s high‑frequency CT reduced our measurement error from ±0.8 % to ±0.2 % and shaved 2 weeks off our project schedule. The ROI was realized in 4 months.” – John M., Procurement Manager, AeroTech Solutions

All products are backed by certifications: CE, FCC, RoHS, ISO 9001, VDE, IEC 61869, CB, GS. Our factory complies with ISO 14001 environmental standards and has a 99.7 % on‑time delivery record.

4. Frequently Asked Questions

What is the typical lead time for an OEM order?

Standard lead time is 7 business days for orders ≥5,000 pcs. For smaller batches (≥500 pcs) we guarantee 14 days. Express shipping is available.

Can the transformer be customized for a specific burden resistor?

Yes. Our R&D team can design custom winding ratios and housing to match any burden from 0.1 VA to 10 VA.

Do you ship to the United States with DDP terms?

We offer DDP (Delivered Duty Paid) to all U.S. ports. Shipping costs are included in the quotation.

What after‑sales support is provided?

A dedicated technical engineer is assigned to each account, providing 24/7 remote troubleshooting, a 12‑month warranty, and free calibration kits.

High Frequency Step Down Transformer

Are the transformers RoHS and REACH compliant?

All units are fully RoHS‑6 and REACH compliant, with certificates available on request.

5. Ready to Upgrade Your Power Monitoring?

Limited‑time offer: Free engineering sample (up to 2 pcs) + 30‑day money‑back guarantee.

Or fill the quick form below – we reply within 4 hours.





6. What Our Customers Say

  • Reviewer 1

    Emily R., Operations Manager, GreenTech Power – “The HFCT’s ultra‑wide bandwidth let us detect sub‑harmonic faults that were invisible before. Production efficiency rose by 12 %.”

  • Reviewer 2

    Michael T., Procurement Lead, MedEquip Corp. – “We received the first batch in 9 days, fully calibrated, and the price was 18 % lower than our previous supplier.”

  • Reviewer 3

    Sara L., Technical Director, AeroDynamics Ltd. – “Xinchangda’s engineering support cut our design cycle from 6 weeks to 2 weeks. The product met IEC 61869 on first try.”

7. About the Author

Author Avatar

David Liu, Ph.D. – Senior Magnetics Engineer with 18 years of experience in high‑frequency transformer design for aerospace, renewable energy, and medical imaging. Published 12 papers in IEEE Transactions, holder of 5 patents, and a certified ISO 9001 auditor. Currently leads the R&D department at Huizhou Xinchangda Electronic.

Contact: grace01@xinchangdadz.com | Phone: +86 131 2826 415

Huizhou Xinchangda Electronic – 14 years of magnetic component excellence.

📍 14th Floor, Building A, Pushengwang Industrial Park, Sanhe Street, Huiyang District, Huizhou City, Guangdong Province, China

📞 +86 131 2826 415 | +86 0752‑3388753 | ✉️ grace01@xchangdadz.com

© 2026 Xinchangda Magnetic. All rights reserved.

If you are interested in our products, you can choose to leave your information here, and we will be in touch with you shortly.