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For Purchasing Managers & Operations Directors who need reliable, cost‑effective power conversion for factories, data‑centers, and renewable‑energy plants, Xinchangda delivers precision‑engineered 400 VAC 3‑phase transformers with fast‑track delivery and full compliance.
Result: Your ROI stalls, and your competitive edge erodes.
| Parameter | Standard Value | Optional Range |
|---|---|---|
| Primary Voltage | 400 VAC (3‑phase) | 380‑415 VAC |
| Power Rating | 5 kVA – 250 kVA | Custom up to 500 kVA |
| Frequency | 50 Hz / 60 Hz | Selectable |
| Efficiency | ≥ 96 % | 96‑98 % |
| Insulation Class | Class F | Class B / F / H |
| Dimensions | Custom per rating | Standard panels available |
| Temperature Rise | ≤ 55 °C | ≤ 65 °C (optional) |
Three-phase-to-one-phase-transformer Ac-to-dc-power-transformer 3-phase-480-to-240-transformer-wiring-diagram Transformers-in-parallel
Standard stock models ship in 2 weeks. Custom OEM/ODM designs are produced in 4‑6 weeks after design approval.
Yes. All our 400 VAC 3‑phase transformers can be delivered with UL, CE, RoHS, and any additional regional certifications on request.
We provide a free 1‑kVA sample for engineering validation. Shipping cost is covered for US customers.
Standard terms are 30 % T/T upfront, 70 % against documents. For trusted partners we accept L/C or net‑30 days after delivery.
All transformers come with a 24‑month warranty covering material and workmanship. Our technical support team is available 24 h/7 d via email, phone, or WhatsApp.
Order before May 15 2026 and receive:
Risk‑free guarantee: If the transformer does not meet the agreed specs, we will replace it at no extra cost.
Mark T., Operations Manager, Texas Steel Corp. – “The 400 VAC 3‑phase transformer arrived on time, performed flawlessly, and helped us cut energy waste by 10 %. Highly recommend Xinchangda’s OEM service.”
Sofia L., Procurement Lead, Boston Medical Devices. – “Their engineering team answered every technical question within hours. The unit met all FDA‑related safety standards.”
David K., CTO, GreenPower Renewables. – “Custom winding for a high‑frequency inverter increased our system efficiency by 4 % and saved us $45 k in the first year.”
James Liu, Senior Magnetic Solutions Engineer – With 12 years of experience designing power transformers for Fortune 500 manufacturers, James leads Xinchangda’s OEM/ODM program. He holds a Master’s in Electrical Engineering (University of California, Berkeley) and is a certified IEC 61869 specialist.
Contact James directly: grace01@xcdmagnetic.com | Phone: +86 131 2825 6415
Huizhou Xinchangda Electronic – 14 years of magnetic component excellence. 5000 ㎡ facility, 14 automated production lines, monthly capacity: 450 k transformers, 240 k inductors, 100 k crossovers.
Address: 14th Floor, Building A, Pushengwang Industrial Park, Sanhe Street, Huiyang District, Huizhou City, Guangdong Province, China
Website: www.xcdmagnetic.com | Contact Us
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