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Energy-Saving Sealed-Tank Single-Phase Transformer for Indoor Installations

Name: Energy-Saving Sealed-Tank Single-Phase Transformer for Indoor Installations
Brand: Zhejiang Hairui Electric Co., Ltd.
SKU: 2257698435

Zhejiang, ChinaZhejiang Hairui Electric Co., Ltd.

US$800.00-1,000.00

1 Piece

Product specifications

color

output voltage

input voltage

Sample price:US$1000.00/piece.Request sample

Product profile

Customization

Available

Application

Power, Electronic

Phase

Single

Model NO.

D11

Core

Core-type Transformer

Cooling Method

Onan

Winding Type

Two-winding Transformer

Certification

ISO9001-2000, ISO9001, CCC

Usage

Combined Transformer, Power Transformer, Distribution Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Ring

Brand

Hairui

Number of Coils

Winding Material

Copper\Aluminum

Output Voltage

220V, 380V, 400V, 230V

Input Voltage

3kv, 6kv, 11kv, 0.4kv, 22kv, 33kv

Transport Package

Wooden Box

Specification

Customized

Trademark

HAIRUI

Origin

Yueqing, China

Key features

High Efficiency Design: Utilizes low-loss silicon steel or amorphous cores to minimize energy loss and reduce operating costs.

Quiet & Cool Operation: Advanced design ensures low temperature rise and minimal vibration for noise-sensitive environments.

Dry-Type Safety: Flame-retardant, self-extinguishing, and moisture-resistant ideal for indoor installations.

Robust Oil-Immersed Option: Sealed tank design with high-stability dielectric oil for reliable outdoor performance.

Comprehensive Quality Testing: Rigorous ratio, polarity, and insulation tests ensure every unit meets specifications.

Global Compliance Support: Includes technical documentation, wiring diagrams, and after-sales support for international markets.

Competitive Value: Optimized design delivers excellent balance of performance, durability, and low total cost of ownership.

Flexible Customization: Supports OEM/ODM with adjustments for power, voltage, size, and protection levels.

Company profile

Cooperated with Fortune 500Management CertificationR&D CapabilitiesCustomization from Samples

Zhejiang Hairui 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.Export Year: 2025-12-06 CertifiedNearest Port: Ningbo PortAverage Response Time: ≤0.70h

AI-Powered supplier vetting

SummaryThe supplier presents itself as a professional technical manufacturer with production equipment, standardized finished-product inspection, quality assurance, material traceability, 3D design, and broad customization capabilities. It reports OEM and ODM services and exports representing 51%–70% of total sales. However, the evidence also shows no new products in the past year, no SDK, no overseas agents, branches, warehouse, or showroom, and no participation in offline trade shows. Corrective-action and complaint-handling procedures exist but lack written records. Supplier-management controls are weak because there are no written assessment procedures or approved supplier lists, and no valid manufacturing-capacity contract with related subcontractors is reported. Financial credibility cannot be positively assessed from the provided figures, which are stated as zero for the reported periods.

Supplier typeThe supplier is explicitly identified as a professional technical supplier and reports R&D capability, 3D software design services, manufacturing equipment, and export activity of 51%–70% of total sales. These details support classification as a technical manufacturing supplier with international sales exposure.

CertificationsThe supplier states that it is certified to ISO 9001 and ISO 9002 quality management systems and claims recognition as a National High-Tech Enterprise and a Top 10 Well-Known Brand of Prefabricated Substations. The certification wording contains apparent transcription errors, so the stated certifications are evidence of claimed quality credentials but not independently verified here.

Production capacityThe supplier reports technical expertise, production facilities, advanced manufacturing processes, and equipment including machining, bending, assembly, cutting, laser cutting, welding, electrical leakage testing, and a partial-discharge lightning test laboratory. It also has inventory capability, standardized finished-product inspection instructions, and one-month average lead times in both peak and off-season periods. Nevertheless, no valid contract with related subcontractors is reported, creating a documented capacity-management concern.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, and minor customization, supported by 3D software design services and ODM capability. This demonstrates broad stated customization coverage.

Product Q&A

Q:Does it support OEM/ODM customization?

Yes, we support customized services, including parameter adjustments for power, size, input/output voltage, protection level (IP level), working environment (such as explosion-proof, high temperature resistance), and provide technical solution design.

Q:Can you provide technical document support?

Yes, English manuals, product certificates, test reports, wiring diagrams, and other documents are provided with the goods, and we can assist customers in completing the necessary documents for import customs clearance.

Q:Where are you? Can I come see you?

Of course, you are welcome to visit our factory anytime.

Q:What are the available input voltage options?

Input voltage options include 3kv, 6kv, 11kv, 0.4kv, 22kv, and 33kv.

Q:What winding materials are available?

We offer Copper or Aluminum winding materials.