Import 220v To 12v Copper Wound Ei Transformer — Buy in Bulk from Supplier in China

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220v To 12v Copper Wound Ei Transformer by Foshan Juli Electromechanical Co., Ltd.
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220v To 12v Copper Wound Ei Transformer - Image 1

220v To 12v Copper Wound Ei Transformer

🕐Last updated: Jul 19, 2026
Contact/ Unit
Min. Order: 1 Unit
📁CategoryElectric Transformers
💳Payment TermsT/T · L/C · D/P
Escrow Payment Available on EximNext
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Buy & Import 220V to 12V Copper Wound EI Transformer from Foshan Juli Electromechanical - Wholesale Supply

The 220V to 12V Copper Wound EI Transformer is a single-phase isolation transformer designed to step down mains voltage for low-voltage applications in industrial, commercial, and residential settings. This transformer features EI-type laminated core construction using CRGO (Cold Rolled Grain Oriented) silicon steel, which provides efficient magnetic flux transfer and minimizes core losses during operation. The EI nomenclature refers to the core shape consisting of E-shaped and I-shaped laminations stacked to form the magnetic circuit, with the lamination thickness typically ranging from 0.35mm to 0.50mm depending on the power rating.

The winding construction uses copper conductor material, which offers superior electrical conductivity and heat dissipation compared to aluminum windings, resulting in lower operating temperatures and improved efficiency. The transformer is designed for 50-60Hz operation, covering standard mains frequencies in most global markets. Custom specifications are supported, including various input/output voltage combinations, power ratings, and mounting configurations. The product serves applications including power supplies for control systems, lighting transformers, battery charging equipment, and industrial automation power distribution.

Buyers sourcing this transformer typically include electrical equipment manufacturers, industrial control system integrators, and power distribution product distributors. The supplier indicates flexible pricing with negotiable terms and quick delivery capabilities as competitive advantages. The listing does not specify MOQ, pricing, or lead times, requiring direct communication with the supplier to confirm specific requirements. The product is manufactured in Guangdong Province, China, with customizable specifications to meet diverse application requirements.

The 220V to 12V Copper Wound EI Transformer is a single-phase isolation transformer designed to step down mains voltage for low-voltage applications in industrial, commercial, and residential settings. This transformer features EI-type laminated core construction using CRGO (Cold Rolled Grain Oriented) silicon steel, which provides efficient magnetic flux transfer and minimizes core losses during operation. The EI nomenclature refers to the core shape consisting of E-shaped and I-shaped laminations stacked to form the magnetic circuit, with the lamination thickness typically ranging from 0.35mm to 0.50mm depending on the power rating.

Technical Specifications for Foshan Juli Electromechanical EI Transformer
Core MaterialCRGO Silicon Steel (typical)
Core TypeEI Lamination (typical)
Input Voltage220V AC (standard)
Output Voltage12V AC (typical)
Frequency Range50-60Hz (standard)
Winding MaterialCopper (standard)
Transformer TypeSingle-phase Isolation (typical)
Lamination Thickness0.35mm - 0.50mm (typical)
Efficiency85-92% (typical for this class)
Insulation ClassClass B/F/H (typical)
About Foshan Juli Electromechanical Co., Ltd. - Transformer Supplier in China
🏭

Foshan Juli Electromechanical Co., Ltd. is located in the Lizhong Recycled Metal Center, Dali Town, Nanhai District, Foshan 528231, Guangdong Province, China. The supplier holds a harbor trust tier classification with no recorded response rate or average response hours on the platform. The company operates from this industrial zone location in Foshan's manufacturing hub.

The company specializes in electromechanical equipment manufacturing with a focus on transformer production and custom electrical solutions. The listing indicates quick delivery capability and negotiable pricing as primary value propositions. No information is provided regarding company size, production capacity, employee count, or specific client base. Product specifications are customizable to customer requirements, indicating a made-to-order manufacturing model.

Business TypeSupplier
Year EstablishedRecently Joined
EmployeesContact Supplier
Annual RevenueContact Supplier
Main ProductsView Products Tab
Major MarketsGlobal
Response Time<4h
Response RateNew Supplier
Frequently Asked Questions About 220V to 12V EI Transformer from Foshan Juli
CRGO (Cold Rolled Grain Oriented) silicon steel has grain alignment in the rolling direction, providing superior magnetic properties and lower core losses compared to CRNGO (Cold Rolled Non-Grain Oriented) steel. CRGO is preferred for transformers operating at fixed frequencies (50/60Hz) where directional magnetic flux flow can be optimized, resulting in better efficiency and reduced no-load losses.

Sourcing EI Transformer from Foshan Juli Electromechanical - China Import Guide

Before ordering the 220V to 12V EI transformer, buyers should provide detailed specifications including required VA rating, primary and secondary voltage tolerance requirements, and any special environmental or certification requirements for the destination market. Requesting a detailed quotation with material specifications, dimensional drawings, and test parameters is essential for custom configurations. Verify the supplier's manufacturing capabilities for the specific core size and power rating required, and confirm whether sample production is available for qualification purposes.

Lead time for standard configurations typically ranges from 2-4 weeks, while custom specifications may require 4-6 weeks depending on tooling and material procurement. Shipping terms are typically negotiated as FOB Guangzhou or FOB Shenzhen, with CIF options available for buyers preferring consolidated freight. Payment terms commonly involve T/T with advance payment, though established relationships may support more flexible arrangements. Confirm whether the supplier provides test reports including no-load current, dielectric strength, and insulation resistance measurements with each shipment.

Quality verification should include visual inspection of winding symmetry and termination quality, dielectric testing (hipot test) between primary and secondary windings at specified voltage, and insulation resistance measurement using a megohmmeter. Documentation should include material certificates for core steel and winding conductor, test reports, and certificate of origin. For safety-critical applications, UL or VDE certification requirements should be confirmed with the supplier, as the listing does not specify agency approvals.

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Buy & Import 220v To 12v Copper Wound — Wholesale Supply from China

Securing a reliable supply chain for 220v To 12v Copper Wound Ei Transformer is critical for maintaining your business operations. Foshan Juli Electromechanical Co., Ltd., a verified supplier located in China, provides high-quality 220v To 12v Copper Wound ready for international export. By connecting directly with this supplier, buyers can bypass intermediaries, negotiate custom wholesale pricing, and arrange bulk shipments. This product is a key offering within the Electric Transformers industry, catering to distributors, wholesalers, and importers worldwide.

Request Wholesale Pricing & Bulk Trade Terms

Navigating the complexities of global sourcing is easier when you have direct access to the right manufacturers and exporters. When importing 220v To 12v Copper Wound from China, buyers can discuss shipping logistics, packaging requirements, and preferred payment terms directly with Foshan Juli Electromechanical Co., Ltd.. This seamless communication is powered by EximNext, a premier import export marketplace that connects ambitious buyers with verified global sellers across every major industry.

About Foshan Juli Electromechanical Co., Ltd. — Verified Supplier in China

We understand that verifying supplier credentials is a top priority for importers. Foshan Juli Electromechanical Co., Ltd. is part of our extensive network of vetted international exporters. Browse more products in the Electric Transformers category or discover new suppliers across the Electric Transformers sector. Expand your sourcing capabilities through our trusted online B2B marketplace — the import export marketplace built for serious international trade.

International Shipping & Import Guidelines for 220v To 12v Copper Wound

When importing 220v To 12v Copper Wound from China, buyers should consider shipping terms (FOB, CIF, EXW), customs documentation requirements, and payment security. Contact the supplier to discuss the best logistics options for your destination country.

Frequently Asked Questions About 220v To 12v Copper Wound

How can I get the wholesale price for 220v To 12v Copper Wound Ei Transformer?

Click the "Request Quotation" button to contact Foshan Juli Electromechanical Co., Ltd. directly. The supplier will provide a custom quote based on your required bulk quantity and shipping destination.

Can I buy 220v To 12v Copper Wound in bulk from China?

Yes, Foshan Juli Electromechanical Co., Ltd. provides 220v To 12v Copper Wound for bulk export from China. You can negotiate the MOQ, packaging details, and shipping terms directly with the supplier.

What shipping terms are available for this product?

Shipping terms such as FOB, CIF, or EXW can be negotiated directly with Foshan Juli Electromechanical Co., Ltd.. Contact the supplier to discuss the best logistics options for importing 220v To 12v Copper Wound to your country.

How do I request a sample of 220v To 12v Copper Wound Ei Transformer?

Send a direct message to Foshan Juli Electromechanical Co., Ltd. through our platform to request a product sample before committing to a large wholesale order.

Is it safe to source products from this supplier?

Foshan Juli Electromechanical Co., Ltd. is a registered and verified supplier on EximNext. We recommend using our secure messaging system and standard international payment methods (L/C, T/T, Escrow).

What specifications should I ask for when importing 220v To 12v Copper Wound?

Request a detailed product data sheet including grade, purity, dimensions, material composition, and applicable industry standards from Foshan Juli Electromechanical Co., Ltd..

Does Foshan Juli Electromechanical Co., Ltd. offer custom packaging or private labeling?

Many suppliers on EximNext, including Foshan Juli Electromechanical Co., Ltd., offer custom packaging and private label options for bulk wholesale orders.

What payment methods are accepted for international orders?

Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services.

Can I find more Electric Transformers suppliers on EximNext?

Yes, EximNext hosts a wide network of verified Electric Transformers manufacturers, exporters, and wholesalers across 200+ countries.

How do I contact Foshan Juli Electromechanical Co., Ltd. for a bulk trade inquiry?

Click "Request Quotation" or "Contact Supplier" on this page. Include your required quantity, destination country, and preferred shipping terms. All communications are managed securely through our import export marketplace.

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