Powered by Made-in-China.com
Dt 20NF/250 Porcelain Transformer Bushing DIN 42531
US$10.00
50-999 Pieces
US$5.50
1,000-9,999 Pieces
US$5.00
10,000+ Pieces
Sample price:US$0.00/piece.Request sample
Product profile
Customization
AvailableApplication
High-voltageMaterial
PorcelainModel NO.
20NF/250Structure
Fuse Cut-out Bushing InsulatorType
A Type InsulatorUsage
High Voltage Power Transmission, Insulation, Electrical InstallationCertification
ISO9001, DINColor
Grey , Brown or WhiteTransport Package
1000*1000*1000mmTrademark
JOHNSONOrigin
ChinaHS Code
8546209090Production Capacity
100000Key features
DIN Standard Compliance: Manufactured to DIN 42530, 42539, 42531, 52432, 42533, 42534 standards.
Full Customization: Supports full, minor, flexible customization, and customization from samples or designs.
100% Quality Inspection: 100% function inspection for finished products with uniform instructions.
Multiple Color Options: Available in Grey, Brown, or White colors.
High Voltage Application: Designed for high voltage power transmission, insulation, and electrical installation.
ISO9001 & DIN Certified: Holds ISO9001 and DIN certifications for quality assurance.
Wide Current Rating: Available in ratings from 250A to 3150A for various needs.
Porcelain Material: Constructed from durable porcelain for superior insulation performance.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤1.43h CertifiedTerms of Payment: T/T, LC, D/P, etc.
AI-Powered supplier vetting
SummaryJiangxi Johnson Electric Company manufactures a broad range of electrical insulators and related fittings, with three production lines and 41–50 quality-control staff. It supports extensive customization, including customization from samples and designs, and follows uniform finished-product inspection instructions. However, the supplier reports no certification of management systems, no written procedures for service assessment, corrective actions, complaints, or quality assurance, and no overseas agents, warehouses, showrooms, or in-stock service. Its R&D evidence is limited: one year of R&D engineer experience is reported, with no new products in the past year, no ODM, 3D software design, SDK, or popular-brand OEM capability. Export sales account for 51%–70%, and the supplier has participated in one named offline trade show. Financial records are referenced for 2022–2024, but the provided slices do not establish financial strength.
Supplier typeThe supplier is an electrical-insulator manufacturer offering glass, porcelain, composite polymer insulators, transformer bushings, and end fittings. Its listed combined facilities include molding, drying, glazing, kiln, and related production equipment, supporting classification as a specialized manufacturing supplier.
CertificationsThe supplier reports no certification of supplier management systems. It also reports no written quality-assurance procedures or records, although finished-product inspection instructions are stated to be available and uniformly followed.
After-Sales capabilityThe supplier has no overseas agents or branches, overseas warehouse, showroom, inventory service, or written procedures and records for complaint handling, service assessment, or corrective and preventive actions. It does accept several quotation and payment terms and reports a one-month average lead time in both peak and off-season, but the documented after-sales infrastructure is deficient.
R&D capabilityInnovation evidence is weak: the supplier reports one year of total R&D-engineer experience, no new products in the past year, no 3D software design service, no ODM service, and no available SDK. It does offer several forms of design customization, but this does not establish strong product innovation capability.
Production capacityThe supplier operates three production lines, has 41–50 quality-control staff, and lists facilities covering molding, drying, glazing, kiln, and related processes. It also states that finished products are inspected under instructions that are uniformly followed; however, it reports no in-stock capacity and no valid manufacturing contract with associated subcontractors.
Customization capabilityThe supplier explicitly accepts customer designs and provides full, minor, flexible, sample-based, and design-based customization. This is direct evidence of broad customization capability, although 3D software design services are not provided.
Product Q&A
Q:What standards are the bushings manufactured to?
A:
The bushings are manufactured to DIN 42530, 42539, 42531, 52432, 42533, and 42534 standards.
Q:What customization options are available?
A:
We offer full customization, minor customization, flexible customization, customization from samples, and customization from designs.
Q:What is the minimum order quantity (MOQ)?
A:
The minimum order quantity is 1000 pieces.
Q:What are the payment terms?
A:
We accept T/T, LC, D/P, PayPal, Western Union, and small-amount payments.
Q:What is the lead time for production?
A:
The average lead time is one month for both peak season and off-season.
Send Inquiry
*To:
Jiangxi Johnson Electric Co., Ltd.
Jiangxi Johnson Electric Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Dt Series DIN Transformer Bushing 1.0 Kv DIN42530 / DIN42539 Solid Porcelain Bushing
US$2.00-10.00
10 Pieces(MOQ)
Dt-1/250 Dt-1/630 Dt-1/1000 1kv Porcelain-Surface Sealing DIN Transformer Bushing
US$2.00-10.00
10 Pieces(MOQ)
DT 10NF/250 Porcelain Transformer Bushing DIN 42531
US$4.00-6.00
100 Pieces(MOQ)
Dt Series Low-Voltage Dt 1/250 Dt 1/630 Dt 1/1000 Dt 1/2000 1kv LV Solid Porcelain Bushing
US$2.00-10.00
10 Pieces(MOQ)
Dt/ 10NF /20NF Series 1kv/3kv/12kv DIN Transformer Bushing Porcelain Bushing
US$2.00-10.00
10 Pieces(MOQ)
DT 20NF/250 Porcelain Transformer Bushing DIN 42531
US$4.00-6.00
100 Pieces(MOQ)
24kv 250A DIN 42531 porcelain transformer bushing
US$4.00-6.00
100 Pieces(MOQ)
12-36V/250-630A DIN Transformer Bushing Porcelain Insulators High Voltage Transformer
US$8.00
100 Pieces(MOQ)
DIN Standard 1-3KV 250-1000A Porcelain Transformer Bushing For Oil Type Distribution Transformer
US$5.00-20.00
100 Pieces(MOQ)
Dt 20NF250 Transformer Bushing DIN High Voltage Transformer Insulator Porcelain Bushing
US$5.00
100 Pieces(MOQ)
DIN Transformer Bushing Porcelain Insulators High Voltage China Factory 12-36V/250-630A Transformer Bushing
US$0.20-5.00
500 Pieces(MOQ)
Dt 10NF250 Transformer Bushing DIN High Voltage Transformer Insulator Porcelain Bushing
US$3.00
100 Pieces(MOQ)
12-36kv Copper High Voltage Transformer Porcelain Bushings DIN 42531 20NF250
US$1.90
1,000 Pieces(MOQ)
DIN 3kv 250A 630A Power Transformer High Voltage Porcelain Insulator Bushing
US$8.00-11.00
100 Pieces(MOQ)
DIN a+B/250 Transformer Bushing for Low Voltage
US$15.00
1,000 Pieces(MOQ)
DIN Standard 1kv 250A 630A Oil-Immersed Transformer Low Voltage Porcelain Insulator Bushing
US$8.00-11.00
100 Pieces(MOQ)
DIN 10NF 250 Porcelain Bushing
US$20.00-300.00
30 Pieces(MOQ)



















