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Single Phase 300W Step up&Down Transformer Voltage Stabilizer 110V-220V, 220V-110V
US$17.00
1-9 Pieces
US$15.00
10-49 Pieces
US$14.00
50-99 Pieces
US$13.00
100-499 Pieces
US$12.00
500+ Pieces
Sample price:US$17.00/piece.Request sample
Product profile
Customization
AvailableApplication
Power, Electronic, Instrument, Lighting, Rectifier, AudioPhase
SingleModel NO.
ST-300WCore
Shell-type TransformerCooling Method
Dry-type TransformerWinding Type
Two-winding TransformerModel
St-300WPower
300WInput
110V or 220V Can Be ExchangedOutput
220V or 110VPlug
Can be customizedSocket
Can be customizedWarranty
1 yearColor
BlackTransport Package
StandardSpecification
ceTrademark
smunOrigin
Zhejiang ChinaHS Code
85043190Production Capacity
10000/MonthKey features
Dual Voltage Conversion: Converts between 110V and 220V for safe use of electronic equipment.
Wide Input Range: Supports 110V, 117V, 120V, 220V, 230V, and 240V input voltages.
Customizable Plug & Socket: Offers US, European, Schuko, VDE, UK, Asian, and Australian plug types.
Multiple Output Sockets: Provides up to 3 output sockets for connecting multiple devices.
Comprehensive Protection: Equipped with fuse protector and over-current protector for safety.
Heavy Duty Design: Suitable for continuous use in power, electronic, and lighting applications.
Flexible Capacity Options: Available from 100VA to 10000VA, including customized capacity.
1-Year Warranty: Covers mechanical defects for one year from the date of purchase.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 16 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤8.64h
AI-Powered supplier vetting
SummaryThe supplier presents itself as a professional technology supplier with 3D software design, R&D, ODM, and broad customization capabilities. It reports ISO9001:2015 certification, documented procedures for supplier service assessment, corrective actions, and complaint handling, and standardized finished-product inspection instructions. Innovation evidence includes new products within the past year and ongoing equipment and product updates. Export experience is stated as 16 years, with peak- and off-season lead times within 15 working days. However, the supplier reports no valid import/export license, no overseas warehouse, showroom, agent, or branch, no SDK, and no OEM service for popular brands. Financial credibility and customer cases cannot be adequately assessed from the provided information.
Supplier typeThe supplier is identified as a professional technology supplier and a combined-type limited company. It has 77 employees and reports no affiliation with a larger company group, but its specific manufacturing or trading classification is not fully clarified.
CertificationsThe supplier reports holding an ISO9001:2015 certificate, providing explicit evidence of a recognized quality-management-system certification.
After-Sales capabilityThe supplier has documented and followed procedures for handling customer complaints and corrective/preventive actions. However, it reports no overseas warehouse, showroom, agent, or branch, and lists zero countries offering overseas services, so direct overseas after-sales coverage is limited in the provided evidence.
R&D capabilityThe supplier reports professional R&D capability, 3D software design services, new products within the past year, ODM services, equipment updates, and continuous product development. It does not provide an SDK and does not offer OEM services for popular brands, but these limitations do not negate the documented general innovation capability.
Production capacityEvidence includes ISO9001:2015 certification, continuous equipment updates, standardized finished-product inspection instructions, export experience of 16 years, and stated peak- and off-season lead times within 15 working days. Production capacity metrics, factory equipment details, and output volumes are not provided, so the assessment is limited to documented process and delivery indicators.
Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization, and also reports 3D design and ODM services. This indicates broad design-to-product customization capability.
Product Q&A
Q:What voltage conversion does this transformer support?
A:
It converts between 110V and 220V, supporting inputs of 110V/117V/120V and outputs of 220V/230V/240V.
Q:Can the plug and socket be customized?
A:
Yes, various types including US, European, Schuko, VDE, UK, Asian, and Australian plugs are available.
Q:What is the maximum output capacity?
A:
The typical capacity ranges from 100VA to 10000VA, and custom capacities are also available.
Q:Is the transformer suitable for continuous use?
A:
Yes, it is designed as a heavy-duty unit suitable for continuous operation.
Q:What safety protections are included?
A:
The device includes a fuse protector and an over-current protector.
Send Inquiry
*To:
Zhejiang Ximeng Electronic Technology Co., Ltd.
Zhejiang Ximeng Electronic Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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