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Hot Sale Ei57 Power Supply Low Frequency Iron Core Transformer
US$0.50-1.50
1,000 Pieces
Sample price:US$0.00/piece.Request sample
Product profile
Customization
AvailableApplication
Power, Electronic, Instrument, Lighting, AudioPhase
SingleModel NO.
EI Metal Shell TransformerCore
Core-type TransformerCooling Method
Dry-type TransformerWinding Type
Multi-winding TransformerCertification
ISO9001Usage
Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer, Three-Phase TransformerFrequency Characteristics
Low FrequencyShape of Core
EIBrand
HensironOutput
Design Various AC Voltage and CurrentOperating Temperature
0℃ to 40℃Voltage Resistance Use
AC1.5kv-4.0kv Is 2mAInput
Suitable for All Countries (100-240VAC)Transport Package
Standard Carton PackageSpecification
Dimension OptionalTrademark
OEMOrigin
ChinaHS Code
8504319000Key features
Customizable Output Voltage: Design various AC voltage and current according to different customer requirements.
Wide Input Voltage Range: Suitable for all countries with 100-240VAC input capability.
Flexible Winding Material: Standard copper wire with optional iron-aluminum wire for special requirements.
High Dielectric Strength: Primary-secondary insulation exceeds 50Mohm at 5000VDC.
ISO9001 Certified Quality: Manufactured under strict ISO 9001 quality assurance system standards.
Low Frequency EI Core: EI metal shell design optimized for 50-60Hz low frequency applications.
Broad Application Scope: Used in audio, lighting, medical, and automation equipment control circuits.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2015-11-20Nearest Port: SHANGHAI, NINGBO, SHENZHNAverage Response Time: ≤2.02hTerms of Payment: LC, T/T, PayPalInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, FCA
AI-Powered supplier vetting
SummaryHENSIRON, founded in 2008, operates in metal materials, building materials, lighting equipment, online trade agency, and import/export activities. It reports a professional R&D team, flexible production and customization capabilities, ODM services, and self-operated import/export rights. CE, RoHS, and ISO9001:2015 certifications are stated. Export sales account for 90%, and peak-season order fulfillment is stated as one month. However, the supplier reports no available SDK, no new products in the past year, no overseas showroom, agents, branches, or offline trade-show participation, and lacks documented supplier approval, corrective-action, complaint-handling, and quality-assurance procedures. Financial records are referenced by year but contain no performance figures.
CertificationsThe supplier states that it holds an ISO9001:2015 management-system certificate and product compliance certifications for CE and RoHS. These are explicit certification holdings and support compliance capability for applicable products.
After-Sales capabilityThe supplier emphasizes customer feedback and customer trust, but reports no overseas showroom, overseas agents or branches, offline trade-show participation, or overseas service countries. It also has no written complaint-handling procedures or records, so structured and geographically accessible after-sales capability is not demonstrated.
R&D capabilityThe company reports a professional R&D team and design support for flexible customization, and offers ODM services. However, it explicitly reports no available SDK and no new products during the past year, which are stated limitations against demonstrating current product innovation.
Production capacityThe supplier claims abundant flexible production experience, lists transformers, inductors, and resistors as production categories, and states a one-month peak-season fulfillment time. These statements support production and delivery capability, although no numeric capacity volume is provided.
Customization capabilityFlexible customization is explicitly stated for both design services and R&D-related product services, and ODM service is available. The company description also claims efficient customization service capabilities, providing direct evidence of customization support.
Product Q&A
Q:Can the output voltage and current be customized?
A:
Yes, we can design various AC voltage and current according to different requirements of customers.
Q:What is the input voltage range?
A:
The transformer is suitable for all countries with an input range of 100-240VAC.
Q:What materials are used for the winding?
A:
Copper wire is generally used, but iron-aluminum wire can be used if there are special requirements.
Q:What is the dielectric strength of the transformer?
A:
The dielectric strength between primary and secondary is greater than 50Mohm at 5000VDC.
Q:What certifications does the product have?
A:
The product is certified under ISO9001 and all our transformers are authorized and certified.
Send Inquiry
*To:
Changzhou Hensiron Electric Technology Co., Ltd.
Changzhou Hensiron Electric Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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