What is the lead time for production?

The average lead time is one month for both peak season and off-season.

Can the transformer be customized?

Yes, single-voltage and dual-voltage customization is available upon request. We also support OEM and ODM services.

What is the expected lifespan of the transformer?

The fully sealed oil-immersed design ensures 25+ years of maintenance-free operation with 99.8% uptime reliability.

Premium Quality Sb20 Serise 400kVA Oil-Filled Transformer with Copper Windings

Name: Premium Quality Sb20 Serise 400kVA Oil-Filled Transformer with Copper Windings
Brand: Henan Province Sendian Power Equipment Co., Ltd.
SKU: 1984494051

Henan, ChinaHenan Province Sendian Power Equipment Co., Ltd.

US$1,200.00-12,000.00

1 Piece

Product specifications

Specification

Sample price:US$8800.00/piece.Request sample

Product profile

Customization

Available

Application

Power, Electronic, Automatic Control

Phase

Three

Model NO.

S11-S20/SB20

Core

Core-type Transformer

Cooling Method

Oil-immersed Type Transformer

Winding Type

Two-winding Transformer

Certification

ISO9001, ISO14001;ISO45001

Usage

Power Transformer, Distribution Transformer, Three-Phase Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Ring

Brand

Senbian

Product Name

Sb20 Serise Three-Phase Oil-Immersed Transformer

Keywords

Oil-Immersed Transformer

Cooling System

Nature Air, Oil Cooling

Capacity

63-2500kVA

Coil Structure

Toroidal

Tap Changer

off Load Tap Changer

Connection

Dyn11

Winding Material

Copper;Aluminum

Transport Package

Wooden Box, Wooden Pallet

Specification

Standard Specifications or Customized

Trademark

SENDIAN

Origin

Henan, China

HS Code

8504220000

Production Capacity

1200pieces/Year

Key features

High Energy Efficiency: Up to 30% lower energy losses compared to conventional models, reducing operational costs.

Wide Capacity Range: Available in capacities from 63 to 2500 kVA to meet diverse power demands.

Sealed Design Reliability: Fully sealed structure ensures 25+ years of maintenance-free operation and 99.8% uptime.

Premium Materials: Constructed with high-density silicon steel cores and copper-aluminum alloy windings.

Safety & Insulation: Fully sealed and insulated structure guarantees safety during operation and maintenance.

Low Noise Operation: Superior performance ensures minimal acoustic disturbance and optimal energy efficiency.

Certified Quality: ISO9001, ISO14001, and ISO45001 certified for consistent quality and safety standards.

Customizable Voltage: Single-voltage and dual-voltage configurations available upon request for flexibility.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceCooperated with Fortune 500Exhibition Experience

Henan Province Sendian Power Equipment Co., Ltd.

Henan, China

Business Type: Manufacturer/Factory, Individuals/SOHO CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤0.01h

AI-Powered supplier vetting

SummaryThe supplier operates across research and development, production, sales, and service for charging equipment, meter boxes, transformer-related products, power hardware, materials, wires, cables, and related equipment. It demonstrates broad customization, ODM, SDK, and OEM capabilities, and reports new product development during the past year. Quality assurance is stated, with ISO9001:2015, ISO45001:2018, ISO14001, and ISO50001 certifications. Service infrastructure is limited: there is no approved supplier list, overseas warehouse, showroom, overseas agent, or branch, and no overseas-service countries are reported. Procedures exist for corrective actions, complaints, and supplier-service assessment, but written records are absent. Manufacturing subcontracting lacks a valid contract. Financial information is reported as zero across several indicators, but the context does not establish whether this reflects actual performance or incomplete reporting.

Supplier typeThe supplier is involved in R&D, production, sales, and service, covering charging equipment, transformer-related products, power hardware, materials, wires, cables, and mechanical/electrical equipment. This supports classification as a diversified power-equipment and component manufacturer/supplier.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, ISO14001, and ISO50001 certificates, covering quality, occupational health and safety, environmental management, and energy management. These explicitly demonstrate certification holdings relevant to operational management.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, and has an available SDK. These statements directly support active product development and software-integration capability.

Customization capabilityThe supplier offers customization from samples and designs, full and minor customization, flexible customization, and ODM services. This is explicit evidence of broad customization capability.

Product Q&A

Q:What is the warranty period?

The warranty period is extended to two years. For product problems caused by operational issues, we will dispatch after-sales personnel for on-site repair.

Q:What is the capacity range of this transformer?

The capacity ranges from 63 to 2500 kVA, allowing for customizable single-voltage and dual-voltage configurations.

Q:What materials are used in the windings and core?

The transformer is made of high-density silicon steel cores and copper-aluminum alloy windings, coated with high-purity insulating oil.

Q:What certifications does the product have?

The product is certified with ISO9001, ISO14001, and ISO45001 standards.

Q:What are the accepted payment terms and currencies?

Accepted payment types include T/T and L/C. Accepted currencies are USD and CNY.