Hit enter to search or ESC to close
For Purchasing Managers, Technical Directors & Operations Leaders seeking reliable, cost‑effective isolation solutions in the USA.
Get Free Quote in 24 hResult: Your ROI drops, maintenance costs rise, and compliance risks increase.
See how we solve these issues →| Parameter | Typical Range | Unit | Compliance |
|---|---|---|---|
| Rated Power | 0.5 – 500 | kVA | IEC 61558 |
| Primary Voltage | 120 / 240 / 480 | V | UL 1449 |
| Secondary Voltage | 30 – 400 | V | CE / FCC |
| Insulation Class | Class B / F | ‑ | ISO 9001 |
| Operating Temp. | ‑40 – +85 | °C | RoHS |
| Harmonic Distortion | ≤ 3% | ‑ | IEC 61800‑9‑2 |
Industrial Automation – 350 kVA isolation transformers installed at a Texas automotive plant reduced line‑stop incidents by 37%.
Medical Imaging – Custom‑wound 150 VA units for a California MRI facility achieved 99.95% voltage stability, meeting FDA 21 CFR 820.
Renewable Energy – 75 kVA units in a Nevada solar‑farm inverter system passed IEC 61727, extending inverter life by 22%.
high-frequency-isolation-transformer transformer-llc transformer-specification energy-transformers
John D., Plant Manager – GlobalTech Manufacturing (USA)
“Since switching to Xinchangda’s isolation transformers, our unplanned downtime dropped from 12 days/month to 3 days. The ROI hit within 6 months.”
Lisa M., Procurement Lead – MedEquip Corp.
“Custom winding and CE‑certified enclosure arrived in 4 days. The price was 22% lower than the quoted US supplier.”
Ahmed K., Operations Director – SunPower Renewables
“The transformer’s harmonic distortion is under 2%, keeping our inverters within spec and extending service life.”
CE, UL, FCC, IEC 61558, RoHS, ISO 9001, VDE, GS, CB, SAA, HACCP/GMP, IPPC – All products undergo 14‑stage quality control.
Standard stock units ship within 3‑5 business days. Custom OEM/ODM projects require 2‑3 weeks for design approval plus 5‑7 days for production, with air‑freight available.
Yes. All units are CE‑marked and UL‑listed. Test reports are uploaded to our portal upon request.
Discounts start at 5% for 10‑50 kVA and scale up to 15% for orders exceeding 200 kVA. Contact our sales team for a tailored quote.

We provide 24‑hour technical hotline, on‑site warranty service (up to 2 years), and free replacement for any non‑conformity within the warranty period.
We manage DDP (Delivered Duty Paid) shipping to all 20+ countries we serve, handling customs clearance and providing full documentation.
Limited‑time offer: Free engineering sample (up to 5 kVA) for the first 10 qualified inquiries. No commitment, no risk.
Request Your Free Sample NowOr call +86 131 2825 6415 / +86 0752‑3388753 for instant assistance.
Mark T., Electrical Engineer – Apex Energy Solutions
“The isolation transformer’s low harmonic distortion kept our inverter fleet running smoothly. We saved over $45k in maintenance costs annually.”
Sofia L., Procurement Manager – BioHealth Labs
“Fast 5‑day delivery allowed us to meet FDA audit deadlines. The product’s CE & ISO 9001 compliance gave us full confidence.”
Carlos R., Operations Supervisor – Midwest Manufacturing
“Xinchangda’s OEM service let us integrate a compact 120 VA transformer into a space‑critical assembly line, cutting floor space by 12%.”
David Liu, Ph.D.
Senior R&D Director, Huizhou Xinchangda Electronic – 14 years leading magnetic component innovation for industrial and medical markets. Published author in IEEE Transactions on Power Electronics. Regular speaker at IEC standards workshops.