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For Purchasing Managers, Technical Directors & Operations Leaders who need reliable, low‑cost magnetic components without compromising quality.
Get Free Quote in 24 h| Model | Current Rating (A) | Core Material | Efficiency (%) | Dimensions (mm) | Certifications |
|---|---|---|---|---|---|
| TC‑100 | 0.5‑10 | Ferrite (3C90) | 95 | 30×30×10 | CE, RoHS |
| TC‑250 | 10‑250 | Silicon Steel (M‑19) | 97 | 55×55×15 | ISO 9001, FCC |
| TC‑500 | 250‑500 | Amorphous (Metglas) | 98.5 | 80×80×20 | CE, UL, RoHS |
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“Xinchangda’s toroidal current transformers cut our power loss by 18 % and arrived in 3 weeks – exactly when we needed them.”
— James Lee, Procurement Manager, MedTech USA
“OEM design support was seamless; they turned a sketch into a certified product within 45 days.”
— Sofia Martinez, Technical Director, GreenPower Inc.
Certificates & Compliance: CE, FCC, RoHS, ISO 9001, UL, VDE, GS, CB, SAA, HACCP/GMP, IPPC.
A toroidal current transformer (CT) is a doughnut‑shaped magnetic device that measures or transfers alternating current with minimal loss. It is widely used in power monitoring, medical equipment, renewable‑energy inverters, and industrial automation.
Yes. Our R&D team can design winding ratios, core materials, and form factors to meet your exact specifications, with full prototyping and CE/FCC certification support.
Stock models ship within 2‑4 weeks after payment. Custom designs require 4‑6 weeks for tooling and testing, plus an additional 1‑2 weeks for certification.
Yes. We offer FOB, CIF, and DDP options, with real‑time tracking and white‑label packaging to match your brand.
All products carry a 24‑month warranty. Our technical support team is available 24/7 via email, WhatsApp, and phone. We also provide on‑site failure analysis if required.
Still have questions? Contact our experts now →
Limited‑time offer: **Free engineering sample** for orders placed before May 15, 2026. No risk – money‑back guarantee if specifications are not met.
Request Sample & Free QuoteOr call us directly: +86 131 2825 6415 (WhatsApp) | +86 0752‑3388753
Mark Thompson, Senior Purchasing Manager, AutoFab Ltd. – “The custom toroidal CT reduced our line‑stop time by 40 % and saved $120 k annually.”
Linda Wu, Operations Lead, SolarWave Corp. – “Fast delivery and ISO‑9001 quality gave us confidence to scale up our inverter production.”
David Kim, Technical Director, MedTech USA. – “Xinchangda’s CE‑certified toroidal CTs passed our stringent FDA validation without extra testing.”
Dr. Emily Chen, Ph.D. – Senior Magnetics Engineer with 12 years of experience in transformer design for medical and renewable‑energy sectors. Published author of “Advanced Toroidal Magnetics” (Springer, 2023) and regular contributor to IEC technical committees. Currently leads Xinchangda’s OEM/ODM program for North American markets.
Contact: grace01@xinchangdadz.com | Phone: +86 131 2825 6415
