What certifications does the product have?

The product holds ISO9001-2000, ISO9001, and CCC certifications.

What are the available voltage options?

Rated High Voltage options include 10, 11, 10.5, 6.6, 6, and 3 kV, with a Rated Low Voltage of 0.4 kV.

Durable Epoxy-Cast Resin Transformer for Enhanced Power Efficiency

Name: Durable Epoxy-Cast Resin Transformer for Enhanced Power Efficiency
Brand: Zhejiang Hairui Electric Co., Ltd.
SKU: 2265855745

Zhejiang, ChinaZhejiang Hairui Electric Co., Ltd.

US$800.00-2,000.00

1 Piece

Product specifications

Rated Capacity

Sample price:US$1000.00/piece.Request sample

Product profile

Customization

Available

Application

Power, Electronic, Instrument

Phase

Three

Model NO.

SCB10

Core

Core-type Transformer

Cooling Method

Dry-type Transformer

Winding Type

Two-winding Transformer

Certification

ISO9001-2000, ISO9001, CCC

Usage

Combined Transformer, Power Transformer, Distribution Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Brand

Hairui

Rated High Voltage

10(11, 10.5, 6.6, 6, 3)Kv

Rated Low Voltage

0.4kv

Connection Group

Dyn11 or Yyn0

High-Voltage Tap Range

±5% or ±2×2.5%

Insulation Level

L175AC35L/L10AC5

Rated Frequency

50Hz

Transport Package

Wooden Case

Specification

Custom

Trademark

HAIRUI

Origin

Yueqing, China

Production Capacity

5000000/PC

Key features

Fireproof and Flame-Retardant: Vacuum-cast epoxy resin core with self-extinguishing properties eliminates fire risks.

30-Year Lifespan: Integrally cast coils provide robust structure with expected lifespan up to 30 years.

100% Humidity Resistance: Excellent moisture resistance allows immediate operation in 100% humidity without pre-drying.

50% Overload Capacity: Forced air cooling mode enables output capacity increase by up to 50% for emergency overload.

Low Loss and Low Noise: High-quality silicon steel and foil winding ensure losses and noise lower than national standards.

Flexible Customization: Supports special voltage, capacity, dimensions, and IP level customization.

Harmonic Adaptation: Designed to handle harmonics and DC components for renewable energy and storage systems.

Seismic and Corrosion Resistant: High corrosion and seismic resistance ratings suitable for harsh environments.

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: ≤0.66h

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 is the expected lifespan of the transformer?

The integrally cast coils form a robust structure with an expected lifespan of up to 30 years.

Q:Is the transformer suitable for high humidity environments?

Yes, it has excellent moisture resistance and can operate in 100% humidity environments without pre-drying.