How can I choose the right transformer model?

Oil-immersed transformers are suitable for outdoor, power plant, and large industrial projects. Dry-type transformers are ideal for indoor, commercial buildings, hospitals, and data centers with high fire safety requirements.

Durable 30kVA Oil-Immersed Transformers for Reliable Power Distribution

Name: Durable 30kVA Oil-Immersed Transformers for Reliable Power Distribution
Brand: Weiguan Electric Co., Ltd
SKU: 2291750025

Zhejiang, ChinaWeiguan Electric Co., Ltd

US$787.00-1,137.50

1 Piece

Sample price:US$787.00/piece.Request sample

Product profile

Customization

Available

Application

Power, Electronic, Instrument, Lighting, Rectifier

Phase

Three

Model NO.

S11-30

Core

Core-type Transformer

Cooling Method

Oil-immersed Type Transformer

Winding Type

Auto-transformer

Certification

ISO9001

Usage

Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer

Frequency Characteristics

High Frequency

Rated Capacity

30 kVA

Frequency

50 Hz

Cooling Mode

Onan (Oil Natural, Air Natural)

Regulation Type

off-Circuit Tap Changer

Transport Package

Carton

Specification

S11-30kVA/10

Trademark

Weiguan

Origin

Wenzhou, China

HS Code

8504211000

Production Capacity

1000pieces/Month

Key features

High Efficiency & Low Loss: No-load loss 0.1 kW and load loss 0.6 kW ensure energy saving and reduced operational costs.

Flexible Customization: Voltage, capacity, frequency, and cooling modes can be customized to meet specific project requirements.

Robust Construction: Oil-immersed core-type design with Dyn11 connection ensures durability and stable performance in harsh environments.

Comprehensive Testing: 100% inspection including visual and function tests with provided test reports before shipment.

Wide Application Range: Suitable for power grids, industrial facilities, commercial buildings, and renewable energy systems.

Professional Manufacturer: Over 18 years of experience with advanced manufacturing facilities and skilled engineering team.

Quality Certification: ISO9001 certified manufacturing process ensures consistent quality and reliable performance.

Long Service Life: Typical lifespan of 20-30 years with proper installation, maintenance, and controlled load.

Company profile

Importers and ExportersSelf-brandedProduction Process VisualizationPatents Awarded

Weiguan Electric Co., Ltd

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤0.04h

About Our Factory & Business Background

AddressYangao Village, Yanpen Street, Yueqing City, Wenzhou, Zhejiang, China

Plant Area3300 square meters

Registered Capital50,180,000 RMB

Terms of PaymentT/T

International Commercial Terms(Incoterms)FOB

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

Minimum Order Quantity1 Set

Supply Chain Partners100

Our Production Capability & Technical Expertise

Main Products3 Phase Transformer, Step up Transformer, Power Substation Transformer, Electrical Transformer, Photovoltaic Transformer, Smart Transformer, Dry Type Transformer, Compact Substation Transformer, Oil Type Transformer, Oil Immersed Transformer

Production Lines12

Production MachinesSlitting machine, Chamfering machine, Vacuum pressure casting machine, Oven, Variable frequency slitting machine, CNC oscillating shear machine

QA/QC inspectors2 people

Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)

Inspection Method for Finished ProductsHave instructions and uniformly followed

R&D Engineers1 people

Traceability of Raw MaterialsYes

Own BrandYes

Our Industry Experience & Global Business Record

Year of Establishment2008-03-10

Main MarketsDomestic

Repeat Buyers Choice30%~50%

Number of Foreign Trading Staff1

Overseas Agent/BranchNo

New Products Launched in Last yearNo

Our Certifications, Standards & Industry Recognition

Management System CertificationISO9001:2015

Cooperated with Fortune 500No

Product Q&A

Q:Are you a manufacturer or a trading company?

We have over 18 years of experience in the research, development, manufacturing, and operation of transformers.

Q:Do you support customization?

Our products can be customized according to your requirements, including voltage, capacity, frequency, and other special specifications for different countries and regions.

Q:What is the warranty period?

We offer a 12-month warranty from the date of manufacture. Extended warranties are available for major components.

Q:Are your transformers tested before delivery?

Each transformer undergoes rigorous factory testing before shipment, including visual and function inspections, with test reports provided.

Q:Do you provide technical support and after-sales service?

We offer comprehensive after-sales support including remote guidance via phone, email, or video, on-site service by engineers (additional fees may apply), and long-term stable supply of spare parts.