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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 CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 7 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤0.25h

AI-Powered supplier vetting

SummaryThe supplier is a Zhejiang, China 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 demonstrates broad customization and ODM capabilities, documented complaint-handling and corrective-action procedures, and certifications including ISO9001, ISO14001, ISO45001, and CCC for core products. Quality controls include two dedicated inspectors and documented finished-product inspection instructions. However, the evidence indicates limited international service infrastructure: no overseas warehouse, showroom, agents, branches, or offline trade-show participation, and domestic markets are identified as the primary export market. Innovation evidence is mixed because patents are reported, but no new products were introduced in the past year. No customer cases are provided.

Supplier typeThe supplier is identified as a Zhejiang, China manufacturer with two production lines producing transformers, electrical switchgear, and vacuum circuit breakers. The available evidence supports classification as a direct electrical-equipment manufacturer rather than a trading-only supplier.

CertificationsThe supplier reports ISO9001 quality certification, CCC certification for core products, ISO45001:2018, and ISO14001. It also reports an environmental impact assessment and periodic fire drills, providing explicit evidence of quality, occupational-safety, and environmental management certifications.

Production capacityThe supplier operates two advanced production lines and reports annual output of 4,000 transformers, 2,500 electrical switchgear units, and 10,000 vacuum circuit breakers, with one-month peak and off-season lead times. Documented finished-product inspection procedures and two quality inspectors support production execution, while the absence of ongoing batch quantity reconciliation is a stated control weakness.

Customization capabilityThe supplier explicitly provides customization from samples and designs, full and minor customization, flexible customization, and ODM services. This is direct evidence of broad product-design and customization capability.

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.