Hit enter to search or ESC to close
Boost efficiency, cut downtime, and secure compliance for your industrial projects.
Get Free Quote in 24 hAccording to a 2025 industry survey, **37%** of U.S. manufacturers cite transformer reliability as the top barrier to scaling new‑energy lines.
See How We Solve These Issues →| Parameter | Standard Model | Custom Range |
|---|---|---|
| Primary Voltage | 120 V / 240 V | 48 V – 660 V |
| Secondary Voltage | 12 V / 24 V | 5 V – 400 V |
| Power Rating | 0.5 kW – 5 kW | 0.1 kW – 10 kW |
| Efficiency | ≥ 95 % | ≥ 96 % (custom core) |
| Operating Temp. | ‑40 °C – 85 °C | ‑55 °C – 105 °C (special coating) |
| Compliance | CE, UL, RoHS | CE, UL, IEC, ISO 9001 |
Industrial Automation – A U.S. robotics plant replaced its legacy transformers with our double winding units, achieving a **28%** reduction in energy loss and a 5‑day production ramp‑up.
Medical Imaging – A hospital network upgraded to custom‑wound transformers, meeting FDA‑Class II requirements while cutting procurement cost by **22%**.
New‑Energy Storage – A battery‑management system integrator used our high‑efficiency design, enabling a **15 kWh** increase in storage density without extra cooling.
Read Full Case Studies →Secondary-transformer-winding-design high-frequency-transformer-factory DC-DC-power-Transformer magnetic-low-voltage-transformer
Testimonials
Certifications: CE, UL, RoHS, IEC 60947, ISO 9001, VDE, GS, CB, FCC.
A double winding transformer has two separate windings on the same magnetic core, providing isolation and flexible voltage conversion. It is ideal for industrial control, medical equipment, and renewable‑energy converters where precise regulation and safety isolation are required.
Yes. Our R&D team can tailor primary/secondary turns, core material, and mechanical dimensions to meet IEC‑60947 or UL‑508 standards. Lead time for standard OEM is 7 days; full custom designs are delivered within 15 days.

We accept T/T (30 % deposit, 70 % before shipment), L/C at sight, and PayPal for samples. For qualified OEM accounts, we offer net‑30 days after receipt of a valid commercial invoice.
We ship via DHL, UPS, or freight forwarders. All units are pre‑cleared with CE and UL documentation, reducing customs delays. Our logistics team tracks each parcel and provides real‑time updates.
We provide a 24‑month warranty, on‑site technical assistance (if needed), and a dedicated account manager. Spare parts are stocked in the U.S. warehouse for same‑day dispatch.
Order a 1‑kW double winding transformer sample today and receive a **money‑back guarantee** if it doesn’t meet your specs.
Request Sample Email SalesOr call us directly: +86 131 2825 6415 (We answer 24 h)
James Liu, Senior Application Engineer
James has 12 years of experience designing magnetic components for the automotive, medical, and renewable‑energy sectors. He leads the OEM/ODM program at Huizhou Xinchangda Electronic and holds certifications in IEC‑60947 compliance and UL‑listing processes.
Contact: grace01@xinchangdadz.com