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Eliminate voltage spikes, cut operating costs, and accelerate production for welding plants, OEMs, and industrial distributors.
Get Free Quote in 24 h1. Over‑priced, low‑quality transformers – 62 % of purchasing managers report paying up to 30 % more for units that fail quality audits.
2. Inconsistent voltage output & frequent downtime – Voltage fluctuations > 5 % cause weld defects, increasing re‑work costs by 18 % on average.
3. Lengthy lead times & poor after‑sales support – Traditional suppliers need 6‑8 weeks for OEM orders, forcing inventory buffers that inflate working capital.
| Parameter | Typical Value | Unit | Compliance |
|---|---|---|---|
| Primary Voltage | 220‑240 | V AC | IEC 61800‑5‑1 |
| Secondary Voltage (Welding) | 10‑30 | kV DC | CE, RoHS |
| Power Rating | 5‑150 | kW | ISO 9001 |
| Frequency | 50/60 | Hz | IEC 60076‑1 |
| Core Material | High‑grade silicon steel | — | VDE‑0470‑1 |
| Operating Temp. | ‑40 ~ +85 | °C | UL 1449 |
| Insulation Class | Class B | — | ISO 14001 |
Automotive chassis welding lines – A U.S. Tier‑2 supplier reduced weld re‑work by 22 % after switching to our 80 kV toroidal transformer, saving $120k annually.
Ship‑yard pipe welding – Our 150 kW high‑voltage unit delivered 99.8 % uptime over 12 months, cutting overtime labor costs by 15 %.
Heavy‑duty equipment manufacturers – Customized winding allowed a 30 % size reduction, enabling tighter equipment enclosures.
Standard OEM orders ship in **14 days** after design approval. Express production (stock cores) can be ready in **3 days**.
Yes. Our 10 R&D engineers work with you to define winding ratios, insulation class, and enclosure style. CAD drawings are delivered within **48 hours** of requirement receipt.
All units are CE‑marked, UL‑listed, RoHS compliant, and meet FCC Part 15 standards for electromagnetic compatibility.
We provide a **12‑month no‑questions‑asked warranty**. Faulty units are replaced within **5 working days**. A dedicated technical support line (24 h) is available for troubleshooting.
We accept T/T (30 % deposit, 70 % before shipment), L/C at sight, and PayPal for samples. For trusted partners, net‑30 days is negotiable.
Limited‑time offer: Free engineering sample (up to 5 kW) for the first 10 U.S. customers – no commitment required.
Request Sample Now Email Sales TeamStocks are limited – act within 7 days to secure your free sample.
Mike D., Senior Engineer – PowerWeld Corp.
“The transformer’s voltage stability is exceptional – we measured a **0.8 % ripple** versus the industry average of 3 %.”
Susan L., Procurement Manager – GreenShip Fabricators
“Fast 48‑hour OEM design saved us a critical project deadline. The after‑sales team resolved a minor wiring issue within **2 hours**.”
Tom H., Technical Director – SteelForge Ltd.
“Cost per kW dropped by **27 %** after switching to Xinchangda’s toroidal design – a clear ROI within 4 months.”
David Liu, Ph.D. – Senior Magnetics Engineer with 18 years in high‑voltage transformer design for welding, aerospace, and renewable energy. Former lead engineer at a Fortune‑500 welding equipment OEM, now Head of R&D at Huizhou Xinchangda Electronic.
Published in IEEE Transactions on Power Electronics and speaker at the 2025 International Welding Expo (USA). Reach me at grace01@xcdmagnetic.com.
Trusted By Industry Leaders
large-toroidal-transformer toroidal-power-transformer use-of-transformer-in-welding Push-Pull-Toroidal-Electronic-High-Frequency-Transformer
John M., Operations Manager – WeldTech USA
“Switching to Xinchangda’s toroidal transformer cut our welding‑line downtime by **18 %** and saved **$45 k** in the first quarter. The 48‑hour OEM design turnaround was a game‑changer.”
Lisa K., Procurement Lead – MarineCo Industries
“The quality‑first approach (ISO 9001, CE, RoHS) gave us confidence to place a $1.2 M order. Delivery arrived in 12 days – well ahead of the 6‑week promise from competitors.”
Certificates & Compliance: CE, FCC, GS, CB, RoHS, VDE, SAA, ISO 9001, IEC 61800‑5‑1, UL 1449, ISO 14001.