Hit enter to search or ESC to close
For Purchasing Managers, Technical Directors, and Operations Leaders who need a reliable method to select the right transformer without over‑paying or risking performance loss.
Get Free Quote in 24 h
1️⃣ High price without justification – many suppliers quote oversized units, inflating capital expense by up to 45 %.
2️⃣ Low quality leads to early failure – undersized or poorly designed cores cause overheating, shortening MTBF by 30 %.
3️⃣ Complex regulatory landscape – CE, UL, FCC, RoHS compliance adds hidden costs when the selected size is wrong.
4️⃣ Long lead times – incorrect sizing forces redesigns, adding 2–4 weeks to your schedule.
5️⃣ Energy inefficiency – oversizing wastes up to 20 % of operating power, hurting ESG targets.
Imagine a 500 kW industrial line that spent $150k extra on a transformer that never reaches full load. The result? Reduced ROI, missed production targets, and frustrated stakeholders.
See the Proven Solution| Parameter | Typical Range | Unit |
|---|---|---|
| Power Rating | 0.5 – 5000 | kVA |
| Primary Voltage | 110 – 660 | V |
| Frequency | 50 / 60 | Hz |
| Efficiency (Full Load) | >98.5 | % |
| Temperature Rise | ≤ 55 | °C |
• Industrial Automation Line – 2 MW: Using our sizing calculator, the client reduced transformer cost by 28 % and cut lead time from 45 days to 18 days.
• Medical Imaging Equipment – 350 VA: Customized low‑noise core achieved CE & FDA compliance, with a 99.9 % uptime over 12 months.
• Renewable Energy Inverter – 5 kVA: Optimized winding reduced no‑load loss by 0.2 %, saving $12k annually in electricity.
Start with the full‑load current (FLC) of your equipment, multiply by the primary voltage, and apply a 10‑15 % safety margin. Our online calculator automates this step and accounts for duty cycle and ambient temperature.
Yes. Our R&D team supports 50 Hz, 60 Hz, and custom frequencies up to 400 Hz for aerospace and renewable‑energy applications. Prototype lead time is typically 10 working days.
All units are UL listed, FCC Part 15 compliant, and meet RoHS 3. We also provide CE & CB for European shipments.
Standard terms are T/T 30 % deposit, 70 % upon shipment. For trusted partners we offer Net 30 or LC at sight.
With our high‑speed delivery network, a 500 kVA unit is ready for dispatch within 12 working days after design approval.
Limited‑time offer: Free engineering sample (up to 2 kVA) + 30‑day money‑back guarantee if the performance does not meet the agreed spec.
Or fill the short form below – we’ll respond within 4 hours.
Linda S. – Procurement Lead, GlobalTech Ltd.
“The sizing guide cut our engineering time by 40 %. The transformer arrived on time, passed UL testing on first try, and saved us $22k compared to the previous supplier.”
Mark T. – Senior Engineer, SolarPower Inc.
“We needed a custom 3 kVA unit for our inverter. Xinchangda’s ODM team delivered a prototype in 9 days, and the final product met 99.7 % efficiency.”
Sarah K. – Operations Manager, MedEquip Co.
“Regulatory compliance was a nightmare until Xinchangda supplied a CE‑certified transformer that passed FDA audits without extra testing.”
David Liu, Ph.D. – Senior Magnetic‑Design Engineer with 18 years in transformer R&D, former Lead Engineer at Siemens Power, and current Technical Director at Huizhou Xinchangda Electronic. Published author of “Modern Transformer Design for Industrial IoT” (2024). Holds ISO 9001 auditor certification and is a regular speaker at IEC standards committees.
Contact: grace01@xinchangdadz.com | Tel: +86 131 2825 6415
Trusted by Global Leaders
3-phase-transformer-sizing model-of-a-transformer Egc-size Planar-Transformer
Compliance & Certifications: CE, UL, FCC, RoHS, ISO 9001, VDE, GS, CB, HACCP/GMP, IPPC. All transformers are tested in our 5000 ㎡ factory (see images below).