What is the warranty period for the S11 Series transformer?

The product comes with a 12-month warranty covering mechanical defects.

Can I customize the transformer design?

Yes, we offer OEM and ODM services including customization from samples, designs, and full customization options.

What is the production lead time?

The average lead time is within 15 working days for both peak and off-peak seasons.

S11 Series 11kv Oil Immersed Distribution Transformer Power Transformer

Name: S11 Series 11kv Oil Immersed Distribution Transformer Power Transformer
Brand: Zhejiang Dahu Electric Co., Ltd.
SKU: 2248836385

Zhejiang, ChinaZhejiang Dahu Electric Co., Ltd.

US$500.00-3,000.00

1 Piece

Product profile

Application

Power, Electronic, Instrument

Phase

Three

Core

Core-type Transformer

Model NO.

S11

Cooling Method

Oil-immersed Type Transformer

Winding Type

Multi-winding Transformer

Certification

ISO9001-2000, ISO9001

Usage

Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Ring

Brand

Dahu

Warranty

12months

Frequency

50/60Hz

Transport Package

Wooden Box

Specification

Standard or customization

Trademark

DAHU

Origin

China

HS Code

8504210000

Production Capacity

3000 Sets/Year

Key features

12 Months Warranty: Covers mechanical defects for 12 months from the date of purchase.

100% Quality Inspection: All finished products undergo visual and functional inspection before shipment.

OEM & ODM Services: Flexible customization available from samples, designs, or full customization.

Fast Lead Time: Production completed within 15 working days during both peak and off-peak seasons.

ISO 9001 Certified: Manufacturing process certified under ISO9001-2000 and ISO9001 standards.

Low Magnetic Losses: Designed with ring core shape for high efficiency and low energy loss.

Versatile Applications: Suitable for power, electronic, and instrument applications including domestic and industrial use.

Multiple Payment Options: Accepts LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Company profile

Years of Export Experience

Zhejiang Dahu 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: 17 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤9.48h

AI-Powered supplier vetting

SummaryDaHu Electric demonstrates broad customization, 3D design, ODM, OEM, and SDK-related capabilities, supported by stated R&D and technical personnel. It operates three production lines, reports transformer output of 500,000 sets annually, and states lead times of within 15 working days in both peak and off-peak seasons. Service processes, corrective/preventive actions, complaint handling, finished-product inspection, and subcontractor contracts are documented and followed. The supplier has inventory capability and export experience of 17 years, with Europe among its export markets. However, the provided information does not establish certifications, customer case references, or a complete assessment of after-sales execution. The supplier also states that it had no new products during the past year, which limits evidence of recent innovation activity. Overseas warehouse and showroom capabilities are explicitly unavailable.

Supplier typeThe supplier provides manufacturing and design-related services, including 3D software design, customization, ODM, and OEM for popular brands. It operates three production lines, has inventory capability, and has exported goods for 17 years, indicating an experienced manufacturing-oriented supplier with international service exposure.

After-Sales capabilityThe supplier states that it has written procedures and followed records for service-capability assessment, corrective and preventive actions, and customer complaint handling. Its company description also identifies customer service, consulting, and technical support, although specific after-sales response metrics or service coverage are not provided.

Production capacityProduction evidence includes three production lines, stated transformer output of 500,000 sets, documented finished-product inspection instructions, valid contracts with associated subcontractors, inventory capability, and lead times within 15 working days in both peak and off-season periods. These details support established production and fulfillment capability.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides 3D software design and ODM services, providing strong direct evidence of broad customization capability.

Product Q&A

Q:Which transformer is used in an electrical distribution system?

A step-down transformer is used in an electrical distribution system.

Q:What is the difference between distribution & power transformer?

The power transformer is used in transmission networks with high voltages whereas a distribution transformer is used in low voltage distribution networks.

Q:What are the types of transformers?

The different types of transformers are step up, step down, power, distribution, instrument, potential, comprising current, single-phase, 3-phase, auto, etc.

Q:Why transformers are rated in kVA?

Because they do not change the power factor (PF) of their output power.

Q:What is the formula for kW to kVA?

Apparent power (kVA) = Actual power (kW) / power factor (pf).