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20NF 3150A DIN 42533 Porcelain Transformer Bushing
US$2.00-6.00
100 Pieces
Sample price:US$6.00/piece.Request sample
Product profile
Customization
AvailableApplication
High-voltageMaterial
PorcelainModel NO.
20kV 3150AStructure
Bushing InsulatorType
B Type InsulatorUsage
High Voltage Power Transmission, Insulation, Electrical InstallationConnection Method
Trough TypeCertification
CE, ISO9001Color
BrownBrand
NJREC or OEMRated Voltage
10-30kVRated Current
1000-3150ADelivery
SeaDelivery Time
20 DaysBushing Materials
Porcelain, Copper/BrassTransport Package
Wooden PalletSpecification
CustomizedTrademark
NJRECOrigin
Jiangsu, ChinaHS Code
7307910000Production Capacity
500000 Pieces/YearKey features
Wide Voltage Range: Offers ratings from 1kV to 52kV to meet diverse power transmission needs.
High Current Capacity: Supports currents up to 12500A with various creepage distances.
IEC60137 Compliance: All outdoor bushings are manufactured and tested according to IEC60137 standards.
Customizable Surface Finish: Metal parts can be finished as per customer requirements including tin plating and galvanizing.
Dual Standard Support: Provides both historical DIN and latest EN standard bushings for transformer manufacturers.
Flexible Termination Options: Offers screwed conductor stems, flag terminals, or machined holes for oil end termination.
Diverse Material Selection: Available in porcelain with copper or brass components for optimal performance.
OEM Branding Available: Products can be branded with NJREC or custom OEM logos upon request.
Company profile

Business Type: Manufacturer/Factory, Trading Company, Group CorporationExport Year: 2002-02-10Nearest Port: Shanghai Port, China, Nanjing Port, China, Ningbo Port, ChinaAverage Response Time: ≤3.15hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, DAP, FCA, EXW
AI-Powered supplier vetting
SummaryNanjing Rainbow Electric Co., Ltd., operating from Jiangsu, China, is a trading company and manufacturer with a focus on electrical components. The company has a significant export market, accounting for 51% to 70% of its sales. They offer diverse customization services, although they lack 3D design capabilities and ODM services. With a workforce of 10, they do not participate in offline trade shows or maintain overseas facilities. Despite having no new product developments recently, they maintain flexible design capabilities. Financial data from the past three years is available, indicating stable financial tracking.
Supplier typeThe supplier operates as a trading company, manufacturer, and group corporation, indicating a multifaceted business structure.
After-Sales capabilityThe supplier's R&D engineers are responsible for after-sales technical support, indicating some capability in this area.
Financial creditThe supplier has documented financial data for the past three years, suggesting consistent financial tracking.
R&D capabilityNo new products were developed in the past year, and no 3D design services or ODM services are offered, showing limited innovation capability.
Customization capabilityThe supplier offers extensive customization services, including full and flexible customization based on samples and designs.
Product Q&A
Q:What voltage ratings are available?
A:
We offer ratings from 1kV through to 52kV to suit various distribution and power transformer requirements.
Q:Can the surface finish be customized?
A:
Yes, metal parts surface finishing can be customized to customer requirements such as tin plating, galvanizing, or copper plating.
Q:What standards do your bushings comply with?
A:
Our outdoor bushings are manufactured and tested in accordance with IEC60137, covering both historical DIN and latest EN specifications.
Q:What is the maximum current capacity?
A:
Our bushings can handle currents up to 12500A with a wide variety of creepage distances.
Q:Do you offer OEM services?
A:
Yes, we support OEM branding, allowing you to use your own brand name on the products.
Send Inquiry
*To:
Nanjing Rainbow Electric Co., Ltd.
Nanjing Rainbow Electric Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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