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Advanced 1000va Variable Voltage Transformer with LCD Display
US$20.50
5-49 Pieces
US$20.40
50-99 Pieces
US$20.30
100+ Pieces
Product specifications
cm
Product profile
Customization
AvailableCurrent Type
DCPhase
Three PhaseModel NO.
ZFVR-1KVAFrequency Characteristics
High FrequencyUsage
Regulation VoltageFrequency
High FrequencySize
MediumIron Core Shape
RingPower Source
Switching Regulated Power SupplyApplication Range
SchoolBrand
NoneTemperature
+40~-15ºCIndoor Function
Parallel Use Is Not AllowedAltitude
Not Exceeding 1000 MetersCurrent Voltage Waveform
Approaching Sine WaveMaterial
CupricTransport Package
Cartoon PackageTrademark
NoneOrigin
ChinaHS Code
9032899010Production Capacity
10000/Per MonthKey features
Remote Control Option: Allows remote voltage adjustment via dedicated panel or computer system.
Wide Application Range: Suitable for chemical, metallurgy, scientific experiments, and household use.
Multiple Certifications: Holds CE, CB, TUV, RoHS, UL, ISO9001, and ISO14001 certifications.
High Efficiency Design: Portable size, light weight, and high efficiency for convenient use.
Intuitive Interface: Features large analog meter and smooth control knobs for easy operation.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2001-04-02Average Response Time: ≤6.48hInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, DAP
AI-Powered supplier vetting
SummaryNanjing Zhengfeng Foreign Trade Services Co., Ltd. is identified as a China-based limited company with a manufacturer/factory classification, although another record describes it as a trade company and its background as a foreign trade agency established in 2014. The supplier presents a broad electrical-product portfolio and states that it provides design, manufacturing, sales, and OEM customization. ISO 9001:2015 and ISO 14001:2015 management-system certifications are reported, while another record confirms ISO 9001. The company claims after-sales support, international quality and safety compliance, engineering and technical personnel, and ongoing R&D investment. Export markets span multiple regions, and stated lead times are within 15 workdays during off-peak periods and 2–3 months during peak periods. No customer names, project references, quality-control staffing levels, or R&D engineer experience are provided. Financial information is excluded.
CertificationsThe supplier states that its products meet international quality and safety standards and reports ISO 9001:2015 and ISO 14001:2015 management-system certification; ISO 9001 is also separately recorded. These statements provide explicit certification evidence, although no certificate scope or validity details are supplied.
After-Sales capabilityThe company explicitly states that it offers exceptional after-sales support and aims to build long-term customer partnerships. This supports the existence of an after-sales commitment, but no service procedures, response times, support locations, or staffing details are provided.
R&D capabilityThe supplier reports a team of electrical engineers and technicians, substantial R&D investment, continuous process and product improvement, and technology examples involving transformer insulation materials and inverter conversion efficiency. These claims indicate stated innovation activity, but no R&D staffing metrics, patents, test results, or independently verified achievements are provided.
Customization capabilityOEM customization is explicitly offered, with engineers and technicians said to work with clients from requirements through production and distribution. This directly supports customization capability, although no customization examples, minimum volumes, technical limits, or completed projects are provided.
Product Q&A
Q:Can the voltage regulator be controlled remotely?
A:
Yes, it offers a remote control option via a dedicated panel or connected computer system.
Q:What certifications does the product hold?
A:
The product holds CE, CB, TUV, RoHS, UL, ISO9001:2015, and ISO14001:2015 certifications.
Q:What is the delivery time for orders?
A:
Production time ranges from 45-60 days, depending on order specifics. Off-season lead time is within 15 workdays.
Q:Are free samples available?
A:
No, we are unable to provide samples free of charge.
Q:What is the input voltage for the single-phase models?
A:
The input voltage for single-phase models (TDGC series) is 220V.
Send Inquiry
*To:
Nanjing Zhengfeng Foreign Trade Services Co., Ltd.
Nanjing Zhengfeng Foreign Trade Services Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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