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Ei Type Ei66 Ei76.2 Ei84 Encapsulated Low Frequency PCB Current Transformer Ei30 12.5/1.5va
US$0.50-1.50
500 Pieces
Product profile
Customization
AvailableApplication
Power, Electronic, Instrument, Lighting, Rectifier, AudioPhase
SingleModel NO.
EICore
Core-type TransformerCooling Method
Dry-type TransformerWinding Type
Multi-winding TransformerCertification
ISO9001Usage
Single-phase TransformerFrequency Characteristics
Low FrequencyShape of Core
EIOperating 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
EI Series Low Frequency TransformerOrigin
ZhejiangProduction Capacity
200000 PCS/MonthKey features
Customization Options: Full customization available including shape, installation method, and operating temperature range.
High-Quality Materials: Uses new high-grade silicon steel sheets and 100% pure copper wire for durability.
Comprehensive Testing: 100% factory testing including dielectric strength, inter-winding, and load tests.
Shielding Layer Option: Optional copper foil shielding layer to suppress electromagnetic interference (EMI).
1-Year Warranty: Free repair or replacement for quality issues within the warranty period.
Sample Support: Samples available for serious customers with fee refundable upon bulk order.
Multiple Core Types: Available in EI, Toroidal, and R-type configurations for various applications.
ISO9001 Certified: Manufacturing process adheres to international quality management standards.
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: ≤4.56h
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 production?
A:
Please provide input voltage, allowable fluctuation range, output voltage and current, rated power, frequency, construction type, installation method, and insulation class.
Q:What is the difference between VA and W?
A:
For resistive loads, VA equals W. For inductive or capacitive loads, W is less than VA. Select based on apparent power (VA) with a 20%-30% safety margin.
Q:Which transformer should I choose: Toroidal or EI?
A:
Toroidal offers higher efficiency and lower interference but is larger and more expensive. EI is smaller, lighter, and more cost-effective for general industrial use.
Q:Is there a shielding layer in transformers?
A:
Yes, a copper foil shielding layer can be added between primary and secondary coils to suppress high interference and enhance EMI resistance.
Q:How do you ensure quality and service life?
A:
We use high-grade materials, vacuum impregnation process, and conduct 100% factory tests including dielectric strength and load tests.
Send Inquiry
*To:
Hangzhou Udwells Technology Co., Ltd.
Hangzhou Udwells Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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