What is the warranty period?

Every product comes with a 1 year quality warranty, provided the products are used correctly by the customer.

How do you handle quality problems?

Please provide detailed photos. Our technical department will analyze them, and we will make a satisfied solution within 2 days.

Can you send me the product catalogue?

We have a product catalog. Please contact us online or via email to request a copy.

S11-M-400 Three Phase Bolt-Locked Multi-Terrain Usage Oil-Immersed Distribution Transformer

Name: S11-M-400 Three Phase Bolt-Locked Multi-Terrain Usage Oil-Immersed Distribution Transformer
Brand: Huawan New Energy Co., Ltd.
SKU: 2226002105

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

400kVA

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 Oil-Immersed Design: Corrugated tank shell adapts to oil expansion, isolating oil from air for reliable long-term service.

Maintenance-Free Operation: Fully sealed structure eliminates the need for regular maintenance, reducing operational costs.

Low Noise and Compact Size: Compact design with new materials reduces noise; corrugated fins allow for a small footprint.

Flexible Customization Options: Offers full customization including capacity, winding material (Copper/Aluminum), and connection types.

Certified Quality Assurance: ISO9001, CCC, CE, and TUV certified, ensuring high standards for power distribution equipment.

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

Professional Manufacturer Support: Factory with 10+ years experience, 200+ professionals, and over 50 product series for reliable supply.

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.