What payment terms do you accept?

We accept LC, T/T, PayPal, Western Union, and small-amount payments.

Is OEM branding available?

Yes, we support OEM services. The label can be customized to NJREC or your specific OEM brand.

DT 30NF250 30kV 250A DIN 42531 Porcelain Transformer Bushing

Name: DT 30NF250 30kV 250A DIN 42531 Porcelain Transformer Bushing
Brand: Nanjing Rainbow Electric Co., Ltd.
SKU: 2074375245

Jiangsu, ChinaNanjing Rainbow Electric Co., Ltd.

US$5.00-15.00

10 Pieces

Product profile

Customization

Available

Application

Electronic, High-voltage

Phase

Single

Model NO.

DIN

Cooling Method

Oil-immersed Type Transformer

Certification

ISO9001, CE

Usage

Distribution Transformer

Brand

NJREC or OEM

Lighting Impulse

170

Rated Voltage

30kV

Max.Voltage

36KV

Delivery

15 Days

Materials

Porcelain

Color

Brown

Connection Method

Trough Type

Label

NJREC or OEM

Transport Package

Wooden Pallet

Trademark

NJREC

Origin

China

HS Code

85462090

Production Capacity

20000pieces/Year

Key features

Wide Voltage Range: Ratings available from 1kV up to 52kV for diverse applications.

High Current Capacity: Supports currents up to 12500A with various creepage distances.

Dual Standard Compliance: Offers both historical DIN and latest EN standard bushings.

Customizable Terminations: Air and oil end terminations can be tailored to customer needs.

Custom Surface Finishing: Metal parts can be tin plated, galvanized, or copper plated.

IEC60137 Certified: All outdoor bushings manufactured and tested per IEC60137.

Fast Delivery: Standard delivery time is 15 days for most orders.

OEM Branding: Labels can be customized to NJREC or OEM specifications.

Company profile

Nanjing Rainbow Electric Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/Factory, Trading Company, Group CorporationExport Year: 2002-02-10Nearest Port: Shanghai Port, China, Nanjing Port, China, Ningbo Port, ChinaAverage Response Time: ≤1.74hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, DAP, FCA, EXW

About Our Factory & Business Background

AddressNo. 396 Heyan Road, Nanjing, Jiangsu, China

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsTransformer Bushing, Porcelain Insulator, Composite Insulator, Condenser Bushing, Glass Insulator, Insulation Materials, Wall Bushing, Porcelain Bushing, Tap Changer

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:What standards do your transformer bushings comply with?

We offer both historical DIN standard bushings and the latest EN range (EN50386 & EN50180). All outdoor bushings are manufactured and tested in accordance with IEC60137.

Q:What is the voltage and current rating range?

We can offer ratings from 1kV through to 52kV and up to 12500A, with a wide variety of creepage distances to meet all environmental conditions.

Q:Can the terminations be customized?

Yes, the air end termination can be a screwed conductor stem or flag terminal. The oil end termination can match the air end or feature a machined hole arrangement to suit customer requirements.

Q:What surface finishing options are available for metal parts?

We can customize metal parts surface finishing according to customer requirements, such as tin plating, galvanising, or copper plating.

Q:What is the delivery time for these bushings?

The standard delivery time is 15 days. During peak season, the lead time is one month, while off-season lead time is within 15 workdays.