Powered by Made-in-China.com
Audio Video Toroidal Transformer with Low Frequency 110V/120V/220V/240V AC Input 12V/24V/36V Three Phase Output
US$2.00-20.00
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 Voltage Input Range: Supports 110V/120V/220V/240V AC input for global compatibility.
Flexible Output Options: Provides 12V/24V/36V outputs in single or three-phase configurations.
High Efficiency Design: Toroidal core structure ensures high efficiency and low leakage magnetism.
Customizable Specifications: Operating temperature, storage temperature, and installation methods are customizable.
ISO9001 Certified Quality: Manufactured under ISO9001 standards ensuring consistent product quality.
Versatile Applications: Ideal for power, electronic instruments, lighting, rectifiers, and audio systems.
Dry-Type Construction: Safe dry-type transformer design suitable for various indoor and outdoor uses.
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: ≤4.75h
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-type), Installation method, and Insulation Grade.
Q:Which should I choose: Toroidal or traditional EI transformer?
A:
Choose Toroidal for high efficiency, low interference, and compact size (ideal for audio/instruments). Choose EI for lower cost, easier maintenance, and general industrial applications.
Q:What are the available input and output voltages?
A:
Input options include 110V, 120V, 220V, and 240V AC. Output options include 12V, 24V, and 36V, available in single-phase or three-phase configurations.
Q:What is the minimum order quantity (MOQ)?
A:
The minimum order quantity is 2000 pieces.
Q:What are the payment terms and lead times?
A:
Payment terms are T/T. Lead time is within 15 workdays or one month, depending on the season.
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
12V Ei Encapsulated Power 220V to 110V 5-500W Low Frequency PCB Mounted Transformer Custom
US$0.50-1.50
500 Pieces(MOQ)
Single Phase Low Voltage Power Ei Transformer with/Without Cabinet 220V to 380V 5kVA/10kVA
US$12.00-200.00
1 Piece(MOQ)
Customized Dimensions Ei Low Frequency Factory Direct Supply 12V Transformer Voltage 230V 220V
US$0.50-1.50
500 Pieces(MOQ)
Ei35 110V 220V 380V Low-Frequency 12V Transformer Plug-in Power Transformer
US$0.60-1.20
10 Pieces(MOQ)
ODM 24-0-24 10va to 10000va 220V Power Toroidal Transformer for Audio Amplifiers
US$2.00-100.00
500 Pieces(MOQ)
Factory Customized Toroidal Transformer 220V to 110V, 36V, 24V, 12V Single-Phase Transformer
US$15.00-22.00
5 Pieces(MOQ)
Low Frequency Electric Audio 120V 220V 230V to 5V 11V 12V 13V 17V 18V 24V AC Step Down Power Transformer
US$0.20-5.00
500 Pieces(MOQ)
Ei28 Silicon Sheet Low Frequency Transformer with Input 110V, 220V and 380V
US$0.50-0.90
10 Pieces(MOQ)
Ei28 220V 110V 12V Low Frequency Transformer Sealed Waterproof Transformer
US$1.00-3.00
100 Pieces(MOQ)
220V 110V 12V 300va Toroidal Isolation Transformer
US$15.00-20.00
1 Piece(MOQ)
Power Transformer Step up 220V 10V Single Phase Low Frequency Transformer for Audio
US$3.00-5.71
1 Piece(MOQ)
High Efficency 240V 12V Toroidal Transformer
US$35.00-45.00
1 Piece(MOQ)
120V 220V to 240V 380V 440V 50kVA 3 Phase Step up Transformer
US$100.00-1,000.00
1 Piece(MOQ)
120V 12V 500W Electrical Toroidal Transformer
US$15.00-20.00
1 Piece(MOQ)


















