Powered by Made-in-China.com
110V 220V 240V to 750W Toroidal Transformer
US$2.00-100.00
500 Pieces
Product profile
Customization
AvailableApplication
Power, Electronic, Instrument, Lighting, Rectifier, AudioPhase
SingleModel NO.
20WCore
Core-type TransformerCooling Method
Dry-type TransformerWinding Type
Multi-winding TransformerCertification
ISO9001Usage
Single-phase TransformerFrequency Characteristics
Low FrequencyShape of Core
RingOperating Temperature
-40ºCTO +125ºCStorage Temperature
-25ºCTO+85ºCCustomize
YesType
Ei/ToroidalInstallation Method
Vertical/Horizontal/with a Base/with a CoverTransport Package
Export Standard Carton and Strong PalletSpecification
Toroidal Low Frequency TransformerOrigin
ZhejiangProduction Capacity
200000 PCS/MonthKey features
Wide Power Range: Available from 0.3VA to 2000VA to meet diverse application needs.
Multiple Input Voltages: Supports 110V, 220V, and 240V input for global compatibility.
High Efficiency Design: Toroidal core offers high efficiency with minimal leakage magnetism.
Flexible Installation: Supports vertical, horizontal, base-mounted, or cover-mounted installation.
ISO9001 Certified: Manufactured under ISO9001 quality management standards.
Full Customization: Offers full customization, flexible, and minor customization options.
100% Inspection: Every finished product undergoes visual and functional inspection.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 Years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤3.30h
AI-Powered supplier vetting
SummaryHANGZHOU UDWELLS TECHNOLOGY CO. Ltd. was founded in 2008 and reports a self-built plant exceeding 15,000 square meters, more than 10 production lines, Europe as a primary export market, and peak-season order fulfillment within 15 working days. It provides multiple customization options, ODM services, and has launched new products within the past year. The supplier also reports OEM service for well-known brands and quality assurance in its quality-control processes. However, no R&D audit documentation, SDK, approved-supplier list, written service procedures, corrective/preventive-action procedures, or complaint-handling procedures were available. Overseas warehouses, showrooms, agents or branches, and offline trade-show participation were not reported. Financial information is insufficient for a credibility judgment, and sustainability-related fire-drill and environmental-assessment status is unknown.
After-Sales capabilityTechnology engineers are responsible for technical support during production and after-sales service, but the supplier has no written procedures or records for effective service assessment, corrective and preventive actions, or customer complaint handling. It also has no overseas warehouse, showroom, agent, or branch, limiting evidence of structured or localized after-sales support.
R&D capabilityThe supplier reports new products within the past year, ODM capability, customization-related R&D services, and use of PS and CAD. It also reports OEM service for well-known brands. Countervailing evidence includes only one year of total R&D engineer experience, no available SDK, and no R&D design-input, output, review, verification, or validation documents for audit.
Production capacityThe supplier reports a self-built plant exceeding 15,000 square meters, more than 10 production lines, complete testing facilities, and peak-season order fulfillment within 15 working days. These explicit operating-scale and delivery statements support a production-capability advantage, although the number of quality-control staff is listed as unavailable.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, flexible customization, and minor customization. It also provides ODM services, demonstrating broad stated customization coverage.
Client casesThe supplier states that it provides OEM services for well-known brands and identifies Europe as a primary export market. These statements indicate some brand and export experience, but no customer names, project details, order references, or verifiable case documentation are provided.
Product Q&A
Q:What specifications are needed for a 220V to 12V step down transformer?
A:
Please provide Input Voltage (with fluctuation range), Output Voltage and Current, Rated Power (VA/W), Frequency (50Hz/60Hz), Construction type (Toroidal/EI/R), Installation method, and Insulation Grade.
Q:What is the difference between VA and W?
A:
For resistive loads, VA equals W. For inductive loads like motors, W is less than VA. Select based on apparent power (VA) with a 20%-30% safety margin.
Q:Which should I choose: Toroidal or EI transformer?
A:
Choose Toroidal for high efficiency, low interference, and compact size (ideal for audio/instruments). Choose EI for lower cost, mature process, and general industrial use.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 2000 pieces.
Q:What are the lead times for production?
A:
Lead time is within 15 workdays or one month, regardless of peak or off-peak seasons.
Send Inquiry
*To:
Hangzhou Udwells Technology Co., Ltd.
Hangzhou Udwells Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
110V 120V 220V 230V 240V to 12V 24V 32V Ei Steel Core Power Transformer 1A 2A 3A 4A 5A 6A 7A
US$0.50-1.50
500 Pieces(MOQ)
BOD 300W Toroidal Transformer for 220V to 110V Conversion
US$16.00-18.00
1 Piece(MOQ)
750W Voltage Transformer for 220V to 110V Conversion
US$16.00-18.00
1 Piece(MOQ)
Low Frequency 100V 110V 220V 230V 240V AC to 5V 6V 8V 10V 12V 15V 24V 26V Single-Phase AC Transformer
US$0.20-5.00
500 Pieces(MOQ)
Tc 750W Voltage Transformer for 220V to 110V Conversion
US$16.00-18.00
1 Piece(MOQ)
Custom Power 110V to 220V 12V to 240V Step up Electric Transformer
US$0.50-1.50
500 Pieces(MOQ)
Power 110V to 220V 12V to 240V Step up Electric Transformer
US$0.50-1.50
500 Pieces(MOQ)
St-500 Home Use 500W 1000va Step Down 220V/240V to 110V Transformer
US$13.00-25.00
1 Piece(MOQ)
Sample Customization Single Phase Low Frequency 110V 220V 230V 240V Toroidal Transformer
US$5.00-86.00
500 Pieces(MOQ)
30kVA AC Adjust Voltage Transformer 380V to 260V 240V 220V 180V 140V 110V
US$80.00-105.00
1 Piece(MOQ)
Single Phase Low Frequency Industrial Toroidal Transformers Voltage Power Design Transformers 110V 220V 240V
US$10.00-168.00
100 Pieces(MOQ)
Step Down or up Adjustable Transformer 20kw 30kw 40kw 50kw 0V 160V 180V 200V 220V 240V 260V to 110V
US$80.00-115.00
1 Piece(MOQ)
220V AC to 100V 110V AC Copper Winding Power Supply Toroidal Transformer
US$20.00-260.00
500 Pieces(MOQ)


















