Can I get guarantee of products and How do you solve quality problems?

Every product comes with a 1 year quality warranty, provided the products are used correctly by the customer. Please provide detailed photos of quality problems. Our technical and quality testing department will analyse. We will make a satisfied solution within 2 days.

What is the warranty period for the transformer?

We provide a comprehensive 1-year quality warranty for all our transformers, covering defects when used correctly.

What certifications does the transformer hold?

The transformer holds ISO9001, CCC, CE, TUV, and IEEE certifications, ensuring high quality and safety standards.

Huawan 400kVA Three Phase Bolt-Locked Multi-Terrain Usage Oil-Immersed Distribution Transformer for Diverse Application Scenarios with IEEE Certification

Name: Huawan 400kVA Three Phase Bolt-Locked Multi-Terrain Usage Oil-Immersed Distribution Transformer for Diverse Application Scenarios with IEEE Certification
Brand: Huawan New Energy Co., Ltd.
SKU: 1981397761

Anhui, ChinaHuawan New Energy Co., Ltd.

US$1,200.00-12,000.00

1 Piece

Sample price:US$5000.00/piece.Request sample

Product profile

Customization

Available

Application

Power

Phase

Three

Core

Core-type Transformer

Cooling Method

Oil-immersed Type Transformer

Winding Type

Two-winding Transformer

Certification

ISO9001-2000, ISO9001, CCC

Usage

Power Transformer, Distribution Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Ring

Brand

Huawan Power

Product Name

Oil Immersed Transformer

Capacity

30~2000kVA

Cooling System

Nature Air + Oil Cooling

Connection

Delta or Star Connection

Model Number

S11

Winding Material

Copper, Aluminum

Coil Structure

Toroidal

Tap Changer

off Load Tap Changer

Transport Package

Wooden Box

Specification

copper, aluminum, Minral Oil

Trademark

Huawan Power

Origin

China

HS Code

8504231200

Production Capacity

800 Unit Per Month

Key features

Fully Sealed Design: Bolted welded cover isolates oil from air, ensuring maintenance-free operation and long service life.

Wide Capacity Range: Available in 30 to 2000kVA capacities to meet diverse power distribution needs.

Corrugated Tank Shell: Elastic expansion compensates for oil volume changes, adapting to harsh outdoor environments.

Low Noise Operation: Compact design and new materials reduce noise levels compared to similar products.

Multiple Certifications: Compliant with ISO9001, CCC, CE, TUV, and IEEE standards for quality assurance.

Customizable Options: Winding material (Copper/Aluminum), connection type (Delta/Star), and tap changer are customizable.

Robust Manufacturing: Annual capacity exceeds 5,000 units with over 158 national patents and 200+ professionals.

Company profile

High Repeat Buyers ChoiceLow MOQCustomization from DesignsOEM Services

Huawan New Energy Co., Ltd.

Anhui, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableAverage Response Time: ≤8.22h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization and R&D capabilities, including ODM services, new product development, and OEM service for recognized brands. Production-related evidence includes multiple fabrication machines, 100% finished-product inspection, standardized inspection instructions, and a stated one-month lead time. Quality and management certifications include ISO9001:2015, ISO45001:2018, ISO14001, and CE. Service procedures for supplier assessment, corrective actions, and customer complaints are documented and followed. However, the supplier reports no overseas services, warehouse, showroom, agents, branches, or offline trade-show participation, and export experience is stated as one year. Financial information is inconsistent across slices and includes zero or incomplete historical entries, so financial credibility cannot be conclusively assessed. Customer-case evidence is limited to OEM service for recognized brands and one science and technology award.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, ISO14001, and CE certifications. These explicitly demonstrate stated quality, occupational safety, environmental management, and product-compliance certification holdings.

After-Sales capabilityWritten and followed procedures are reported for service-capability assessment, corrective and preventive actions, and customer complaints. However, the supplier reports no overseas service countries, overseas facilities, agents, or branches, limiting evidence of localized after-sales support.

R&D capabilityThe supplier reports new products during the past year, ODM service capability, broad design support, OEM service for recognized brands, and one national science and technology progress award. It does not have an available SDK, but the stated R&D and recognition evidence supports innovation capability.

Production capacityProduction evidence includes laser cutting, shearing, punching, and winding machines, three quality assurance and quality control inspectors, 100% finished-product inspection, and uniformly followed inspection instructions. The stated peak-season and off-season lead times are both one month, supporting a defined production and quality-control process.

Customization capabilityThe supplier explicitly offers flexible customization, minor customization, full customization, customization from customer designs, and ODM services. This provides direct evidence of broad customization coverage.