S22 Series Energy Efficient Oil Immersed Distribution Transformer for Power Grid Applications

Name: S22 Series Energy Efficient Oil Immersed Distribution Transformer for Power Grid Applications
Brand: Shaanxi Sefon Electrical Equipment Co., Ltd
SKU: 1996088761

Shaanxi, ChinaShaanxi Sefon Electrical Equipment Co., Ltd

US$2,800.00-60,000.00

1 Set

Product profile

Customization

Available

Application

Power, Electronic, Lighting

Phase

Three

Core

Core-type Transformer

Cooling Method

Oil-immersed Type Transformer

Winding Type

Auto-transformer

Certification

ISO9001-2000, ISO9001, CCC, IEC

Usage

Rectifier Transformer, Power Transformer, Distribution Transformer

Frequency Characteristics

High Frequency

Shape of Core

Ring

Brand

Sefon

Trademark

SEFON

Origin

China

HS Code

8537209000

Production Capacity

500

Key features

S22 (20) series design, ultra-low no-load loss, excellent energy-saving performance.

Three-phase oil-immersed structure, stable operation and strong overload capacity.

Adopts high-quality core and winding materials, low noise and low temperature rise.

Company profile

High Repeat Buyers ChoiceFast DeliveryProduction Process VisualizationManagement Certification

Shaanxi Sefon Electrical Equipment Co., Ltd

Shaanxi, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 5 Years CertifiedNearest Port: Horgos PortAverage Response Time: ≤7.21h

AI-Powered supplier vetting

SummaryShaanxi Sefon Electrical Equipment Co., Ltd. is described as a high-tech enterprise integrating R&D, design, production, sales, service, and power engineering general contracting. It holds ISO9001:2015, ISO14001:2015, and ISO45001:2018 certifications and has multiple engineering qualifications, including power transmission and transformation and power engineering contracting qualifications. The supplier reports advanced production and testing equipment, strict quality control, seven years of total R&D engineer experience, and 50 quality-control staff. Export sales represent 21%–30% of total sales, while its stated primary export market is domestic, indicating limited or unclear international-market evidence. Lead times are stated as one month in both peak and off-peak seasons. Evidence is insufficient to confirm overseas service infrastructure, 3D design, ODM/OEM, SDK, ERP, or environmental-response capabilities. The supplier has documented use cases involving state and regional power grids, new-energy...

Supplier typeThe supplier is explicitly identified as a high-tech enterprise integrating R&D, design, production, sales, service, and power engineering general contracting. Its engineering qualifications further indicate that it is both a product supplier and an engineering-services contractor.

CertificationsThe supplier holds ISO9001:2015 quality-management and ISO14001:2015 environmental-management certifications; the company description also states ISO45001:2018 occupational-health-and-safety certification. These are explicit, relevant management-system credentials.

After-Sales capabilityThe supplier states that it integrates service and power-engineering contracting, emphasizes customer service, and has supporting service capabilities and project experience. However, overseas warehouse, showroom, agent/branch, and offline trade-show capabilities are explicitly unknown, so the evidence supports general service capability but not a broad international after-sales network.

R&D capabilityThe supplier is described as a high-tech enterprise with R&D, design, and product-development capabilities, advanced equipment, and recognized high-tech and specialized-enterprise statuses. Nevertheless, specific R&D outputs, new-product performance, SDK availability, and related digital innovation capabilities are unknown.

Production capacityThe supplier reports advanced production and testing equipment, strict quality control, manufacturing expertise, 50 quality-control staff, and one-month order fulfillment in both peak and off-peak seasons. These statements provide explicit support for established production and delivery capability.

Client casesThe supplier states that its products are widely used by the State Grid, China Southern Power Grid, local power organizations, new-energy power plants, and enterprise users. These named application groups provide explicit evidence of customer and project exposure, although individual project details are not supplied.

Product Q&A

Q:Why is this series more energy-saving?

It adopts high permeability silicon steel sheet core and optimized winding design, greatly reducing no-load loss and load loss, which saves long-term operating costs.

Q:Is the transformer fully sealed? Any leakage risk?

Yes, it adopts fully sealed structure with excellent sealing performance. It is anti-oil leakage, dust-proof and moisture-proof, suitable for outdoor long-term operation.

Q:How about the noise and operation stability?

Optimized structural design ensures low running noise. The product has strong overload capacity and short-circuit resistance, running stably under harsh grid conditions.