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High Efficiency 33kv Oil Immersed Transformer with Onan Cooling Technology

Name: High Efficiency 33kv Oil Immersed Transformer with Onan Cooling Technology
Brand: Zhejiang Shengxian Electric Power Technology Co., Ltd.
SKU: 2248391775

Zhejiang, ChinaZhejiang Shengxian Electric Power Technology Co., Ltd.

US$1,000.00-3,000.00

1 Piece

Product profile

Customization

Available

Application

Power

Phase

Three

Model NO.

Oil immersed Transformer

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

Power Capacity

25-2500kVA

Type of Voltage Regulation

off-Circuit or on-Load

Tappingrange

±5%±2X2.5%±4X2.5%

Frequency

50Hz or 60Hz

Phases

Three or Single

Connection Symbol

Dynll, Yyn0( Oras Requested)

Short-Circuit Impedance

Standard Lmpedance

Transport Package

Export Standard Wooden Case

Specification

950*650*880

Trademark

shengxian

Origin

Zhejiang, China

HS Code

8504210000

Production Capacity

50 Pieces/Week

Key features

Hermetically Sealed Design: Fully sealed tank with vacuum oil-filling isolates air and moisture for maintenance-free operation.

Excellent Heat Dissipation: Corrugated tank or radiator design enables short-term overload handling for fluctuating loads.

Multiple Safety Protections: Equipped with Buchholz relay, pressure relief valve, and temperature controller for fault protection.

Long Service Life: Designed for 30-40 years of operation with lower lifecycle expenses compared to dry-type transformers.

High-Performance Core: Made of high-permeability grain-oriented silicon steel with 45-degree full-miter step-lap joints.

Flexible Customization: Customizable power capacity, voltage regulation, tapping range, and connection symbols available.

Wide Application Range: Suitable for power plants, substations, industrial facilities, and renewable energy sites.

Robust Overload Capacity: High thermal conductivity of insulating oil supports handling of fluctuating load conditions.

Company profile

Fast DeliveryFull CustomizationQuality AssuranceR&D Capabilities

Zhejiang Shengxian Electric Power Technology 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: 9 Year CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤0.07h

AI-Powered supplier vetting

SummaryThe supplier is a Zhejiang-based manufacturer operating two production lines for transformers, electrical switchgear, and vacuum circuit breakers. It reports annual outputs of 4,000 transformers, 2,500 switchgear units, and 10,000 vacuum circuit breakers, with one-month lead times in both peak and off-peak seasons. The supplier holds ISO9001, ISO14001, ISO45001, and CCC-related credentials, and has documented procedures for inspections, complaints, corrective actions, and service assessment. It offers broad customization and ODM services, but reported no new product information in the past year and no SDK availability. Overseas infrastructure is limited: no overseas warehouses, showrooms, agents, branches, or offline trade-show participation. Financial credibility cannot be assessed because the provided financial records are incomplete and monetary figures are excluded. Customer cases and named customer references are not provided.

CertificationsThe supplier reports ISO9001 quality certification, CCC certification for core products, ISO14001 environmental certification, and ISO45001 occupational health and safety certification. These stated certifications provide explicit evidence of certification coverage across quality, environmental, and occupational safety areas.

After-Sales capabilityThe supplier has written and followed procedures for service assessment, corrective and preventive actions, and customer complaints. However, it has no overseas warehouse, showroom, agent, branch, or stated overseas service country coverage, limiting evidence of localized after-sales support.

R&D capabilityThe supplier reports multiple patents granted by CNIPA and offers ODM services, indicating some established innovation and design capability. However, it states that no new product information was available in the past year and that no SDK is available, so current product-development activity appears limited.

Production capacityThe supplier operates two production lines and reports annual outputs of 4,000 transformers, 2,500 electrical switchgear units, and 10,000 vacuum circuit breakers, with one-month lead times in both peak and off-peak seasons. It has two dedicated quality inspectors and standardized finished-product inspection instructions, but does not continuously reconcile quantities for every batch or mass-production run.

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

Product Q&A

Q:Are you a trading company or manufacturer?

We are a professional factory with 10 years of experience in the field of High and Low voltage switchgears, substations, transformers, cable distribution boxes, and various electrical equipment, such as vacuum circuit breakers, load break switches, etc. Our factory is an excellent supplier of the State Grid Corporation of China.

Q:Do you accept customized service?

We offer OEM/ODM service, and can print your logo on the product. Our professional, technical, and quotation team can provide a satisfactory project according to your drawing and parameters.

Q:What is your MOQ?

Our MOQ is 1 piece.

Q:How long is your delivery lead time?

It depends on your product requirement and quantity. Generally, 5~10 working days are available

Q:How do you solve quality problems?

Please provide detailed photos of quality problems. Our technical and quality testing department will analyse. We will make a satisfactory solution within 2 days.