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Reliable 100kVA Tunnel Voltage Stabilizer for 380V AC Systems
US$2,270.00
1 Piece
Product profile
Customization
AvailableFrequency
50-60HzUsage
TnsjaModel NO.
TNSJA-150kvaInput Voltage
380V / 400V / 440V / 480V (Can Be Customized)Production Capacity PCS/Year
5-10millionTransport Package
Wooden CaseSpecification
750*750*1350cm L*W*HTrademark
KEAOOrigin
China, GuangdongHS Code
8504401990Production Capacity
5-10million PCS/YearKey features
Wide Input Voltage Range: Accepts 380V, 400V, 440V, and 480V with customizable options.
High Efficiency Rating: Operates with efficiency greater than or equal to 98%.
Low Noise Operation: Noise level maintained below 65 decibels.
High Insulation Level: Features H-grade insulation for enhanced safety.
Fast Response Time: Provides detailed pricing quotes within 24 hours.
Flexible Production Capacity: Annual capacity ranges from 5 to 10 million pieces.
Comprehensive Quality Control: Includes pre-production samples and final inspection.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2001-04-02Average Response Time: ≤7.34hInternational 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:What are the advantages compared to other suppliers?
A:
Competitive prices, high-quality products and excellent services. We have a professional sales team, production team, and research team.
Q:What is the minimum order quantity of our products?
A:
1 set.
Q:How can we guarantee quality?
A:
Always a pre-production sample before mass production; Always final Inspection before shipment
Q:How is your delivery time?
A:
It depends your order quantity and it normally takes 3-20 days.
Q:Do you accept the Customized?
A:
Yes. Please notify us and confirm the design according to our samples first.
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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