A Transformer Transforms 220V To 11V

Designed for **Corporate Purchasing Managers**, **Technical Directors**, and **Operations Managers** who need a reliable step‑down transformer that delivers 11 V from a standard 220 V mains supply. Convert-3-phase-to-single digital-subwoofer-crossover toroidal-transformer-core ei28-transformer “Xinchangda’s 220 V→11

Convert 220V to 11V Efficiently in 48 Hours — Free Sample

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Convert 220V to 11V Efficiently in 48 Hours — Free Sample

Designed for **Corporate Purchasing Managers**, **Technical Directors**, and **Operations Managers** who need a reliable step‑down transformer that delivers 11 V from a standard 220 V mains supply.

Get Free Quote in 24 h

Why Your Current Voltage Solution Is Holding You Back

  • Excessive Unit Cost – Most off‑the‑shelf 220 V→11 V transformers are priced 30‑40% higher than bulk‑OEM options.
  • Unreliable Quality – Inconsistent winding tolerances lead to voltage drift and premature failure.
  • Long Lead Times – Standard suppliers quote 6‑8 weeks, disrupting production schedules.
  • Missing Certifications – CE, RoHS, or IEC‑60947 compliance is often absent, risking regulatory penalties.
  • Limited Customization – No option for OEM/ODM designs tailored to your equipment footprint.
See How We Solve It →

Your Turnkey 220V‑to‑11V Transformer Solution

  • Quality Assurance – ISO 9001, CE, RoHS, FCC, and VDE certified production lines.
  • OEM/ODM Flexibility – Custom winding, enclosure design, and branding available.
  • High‑Speed Delivery – 48‑hour sample, 7‑day bulk shipment from our 5,000 ㎡ factory.
  • Efficiency & Reliability – Up to 96% efficiency, ±1% voltage tolerance, 150 °C thermal rating.
  • Competitive Pricing – Volume discounts start at 5,000 pcs, up to 35% lower than competitors.

Technical Specifications

Parameter Value
Input Voltage 220 V ± 10% AC, 50/60 Hz
Output Voltage 11 V ± 1% AC
Power Rating 5 W – 150 W (configurable)
Efficiency ≥ 96% @ 50 % load
Temperature Rise ≤ 45 °C @ full load
Insulation Class Class B (130 °C)
Certifications CE, RoHS, FCC, VDE, ISO 9001

Typical Application Scenarios

Download Full Datasheet (PDF)

Trusted by Global Leaders

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“Xinchangda’s 220 V→11 V transformer reduced our equipment downtime by 27% and saved us $18 k per quarter.” – John M., Procurement Manager, MedicalTech Corp.

“The OEM design flexibility let us fit the transformer into a 30 mm×20 mm cavity – impossible with off‑the‑shelf parts.” – Linda S., Senior Engineer, AutoVolt Industries

Certificates & Compliance: CE, RoHS, FCC, VDE, ISO 9001, CB, GS, SAA, IPPC.

Frequently Asked Questions

  • Can you customize the winding ratio for special power ratings?
    Yes – our R&D team can design any ratio from 5 W up to 250 W while keeping ±1% tolerance.
  • What is the minimum order quantity (MOQ) for OEM branding?
    MOQ starts at 1,000 pcs; for standard 11 V models we can ship as low as 100 pcs.
  • How long does it take to receive a sample?
    Free engineering sample is shipped within 48 hours after order confirmation.
  • Do you provide compliance documentation for export?
    All shipments include CE Declaration of Conformity, RoHS test reports, and IEC‑60947 test certificates.
  • What are the payment terms for bulk orders?
    30 % T/T upfront, 70 % before shipment; L/C accepted for orders > 10,000 pcs.
  • Is after‑sales technical support included?
    Yes – 24 / 7 email support, plus a dedicated application engineer for the first 90 days.

Ready to Power Your Project with a 220 V→11 V Transformer?

Limited‑time offer: **Free sample + 10% discount on first bulk order** (valid until 30 days from today).

Ei 57 X 35 Transformer

Request Quote & Sample Now

Contact us via WhatsApp +86 13128256415, email grace01@xinchangdadz.com, or fill the short form below.

What Our Clients Say

  • Reviewer 1 Mike T., Operations Manager, GreenEnergy LLC – “Delivered on time, 15% cost saving versus US suppliers.”
  • Reviewer 2 Sarah K., Procurement Lead, SoundWave Audio – “Excellent OEM service – the transformer fits our compact chassis perfectly.”
  • Reviewer 3 David L., Technical Director, MedEquip Inc. – “ISO‑certified quality gave us confidence for FDA‑regulated devices.”

About the Author

Author Avatar

James Liu – Senior Magnetics Engineer & Content Strategist, Huizhou Xinchangda Electronic.

With 14 years in transformer design, James has led over 200 OEM projects for medical, industrial, and renewable‑energy markets across 20+ countries.

Contact Us

Huizhou Xinchangda Electronic
14th Floor, Building A, Pushengwang Industrial Park,
Sanhe Street, Huiyang District, Huizhou City, Guangdong Province, China
Tel: +86 131 2825 6415 | +86 0752‑3388753
Email: grace01@xinchangdadz.com
https://www.xcdmagnetic.com/contactus/

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