What is the Terms of Payment?

L/C, T/T, D/P, D/A, Western Union and MoneyGram (for Small-amount payment).

220V

Name: Sdt-3000va, Step up Down Dual-Input Transformer 220/110V-110/220V
Brand: Zhejiang Zhengxi Electric Group Co., Ltd.
SKU: 1923171466

Zhejiang, ChinaZhejiang Zhengxi Electric Group Co., Ltd.

US$50.00

1-99 sets

US$48.00

100-299 sets

US$46.00

300+ sets

Product profile

Customization

Available

Application

Power

Phase

Single

Model NO.

SDT

Core

Shell-type Transformer

Cooling Method

Nature Cooling

Winding Type

Auto-transformer

Certification

ISO9001, CE

Usage

Single-phase Transformer, Power Transformer

Frequency Characteristics

Low Frequency

Shape of Core

Ring

Brand

Zhengxi

Input Voltage

220/110V

Plug and Socket Option

Yes

Adjust Time

<0.5s(When Input Voltage Has a Change of 10%)

Color

Black

Product Name

Step up/Down Voltage Transformer/Converter

Frequency

50/60Hz

MCB Protection

Yes

Output Voltage

110/220V

Capacity

0.5-5kVA

Transport Package

Export Standard Packing

Specification

230*202*125mm

Trademark

ZHENGXI or OME

Origin

Zhejiang, China

HS Code

8504319000

Production Capacity

50000pieces/Year

Key features

Dual Voltage Conversion: Switchable 110V/220V input and output for global compatibility.

Pure Copper Windings: Ensures maximum efficiency, low energy loss, and long-term reliability.

High Working Efficiency: Operating efficiency reaches up to 98% for optimal power performance.

Fast Voltage Adjustment: Adjustment time under 0.5s when input voltage changes by 10%.

Compact and Portable: Easy to carry, safe, and sturdy design for various applications.

Built-in Protection: Features MCB protection and power indicator light for safety.

Global Certification: Certified with CE, ISO9001, and SGS standards.

Flexible Customization: Supports logo printing and design customization for bulk orders.

Company profile

Importers and ExportersManagement Certification

Zhejiang Zhengxi Electric Group Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2014-03-13 CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤2.35h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier with electronic, mechanical and electrical, switching-control, photovoltaic, instrumentation, and related technical-service activities. It demonstrates broad customization and 3D software design capabilities, plus SDK availability. Production-related evidence includes winding and assembly facilities, 12 quality inspectors, inventory capacity, valid manufacturing contracts with associated subcontractors, documented inspection procedures, and a stated peak-season lead time of one month. Quality and compliance evidence includes ISO9001:2015, ISO14001, RoHS, CE, and an FCC raw-material test report. The supplier has documented corrective-action, complaint-handling, quality-assurance, and traceability procedures. However, it reports no overseas warehouse, showroom, agents or branches, or overseas service countries, and no customer cases are provided. Financial records are referenced for 2022–2024, but no substantive financial figures or performance...

Supplier typeThe supplier explicitly identifies itself as a professional technical supplier. Its stated scope covers switch-control equipment, electronic components, mechanical and electrical equipment, photovoltaic equipment and components, instrumentation, and related technical services, indicating a manufacturing and technical-services profile.

CertificationsThe supplier reports ISO9001:2015 and ISO14001 management-system certifications, as well as RoHS and CE product certifications. An FCC raw-material test report is also listed, providing explicit evidence of multiple quality, environmental, and product-compliance credentials.

After-Sales capabilityThe supplier has documented procedures and records for corrective and preventive actions and customer-complaint handling, together with stated quality assurance and traceability. However, it has no overseas warehouse, showroom, agents or branches, and reports service coverage in zero countries, so international after-sales infrastructure is limited.

R&D capabilityThe supplier reports professional R&D capability, 3D software design services, and an available SDK. These are direct indicators of technical development and software-related capability, although no information is provided on patents, proprietary products, or innovation outcomes.

Production capacityProduction evidence includes winding and assembly facilities, 12 quality inspectors, valid manufacturing contracts with each associated subcontractor, inventory capacity, documented finished-product inspection procedures, and written supplier-service assessment procedures with records. Reported lead times are within 15 working days off-season and one month during peak season, supporting an established production and fulfillment capability.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides 3D software design services, directly supporting design-driven and tailored product development.

Product Q&A

Q:What is the Guarantee?

Within One Year From The Sale Date, If There Are Any Accessory Problems,You Just Provide The Photos Of Damaged Accessory, Then We Will Provide Free Accessory.According To The Number Of Products, We Will Provide Easily Damaged Accessories For Free.We Also Can Provide Technical Support If You Need.

Q:Can we put/show our own Logo on your products?

Yes, no problem, however, the quantity should be a bit big.

Q:Is OEM/ODM available?

Yes, It Is! Our Products Can Be Customized.We Design And Produce All Kinds Of Automatic Voltage Regulators/Stabilizers According To Our Customers' Specific Requirements.

Q:What is the MOQ?

For the small capacity products (Automatic Voltage Regulators/Stabilizers) of the default configuration, it is 10 sets. For the big capacity products, it is 1 set.

Q:Can you offer Form A or Form E or C/O ?

Yes, no problem, we can apply for it from our local government.