off-Circuit Tap Changer Open Ventilated Dry Transformer 3D Wound Core

Name: off-Circuit Tap Changer Open Ventilated Dry Transformer 3D Wound Core
Brand: Foshan POWENEX Technology Co., Ltd
SKU: 2274610855

Guangdong, ChinaFoshan POWENEX Technology Co., Ltd

US$1,000.00-10,000.00

1 Piece

Product specifications

loss

Product profile

Customization

Available

Application

Power

Phase

Three

Model NO.

SG(B)

Core

Silicon Steel Core

Cooling Method

Dry-type Transformer

Winding Type

Multi-winding Transformer

Certification

ISO9001-2000, ISO9001, CE, IEC

Usage

Power Transformer, Distribution Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Brand

Welectone

Insulation Class

Class H (180°C)

Tapping Range

±2X2.5% or ±5%

Tapping Method

off-Circuit Tap Changer (Octc)

Technology

Vpi (Vacuum Pressure Impregnated) / Open Ventilate

Vector Group

Dyn11

Standard

IEC 60076-11 / GB

Installation

Indoor

Structure

Open Ventilated, Non-Encapsulated

Frequency

50Hz / 60Hz

Insulation Material

DuPont Nomex Paper

Winding Material

Copper / Aluminum

Transport Package

Export-Standard Wooden Crate

Specification

50-2500kVA

Trademark

WELECTONE

Origin

China

HS Code

8504349000

Key features

Fire & Explosion Proof: Oil-free and non-encapsulated design eliminates fire risks and toxic gas release, ideal for dense populations.

Moisture & Pollution Resistant: VPI process seals coils against humidity and dust, ensuring reliable operation in coastal and industrial areas.

Zero Maintenance Design: Unlike oil transformers, this dry-type unit requires zero oil testing or leakage repair for simplified upkeep.

Precise Voltage Regulation: Equipped with Off-Circuit Tap Changer (OCTC) on HV side for precise voltage adjustment to grid requirements.

High Energy Efficiency: Low partial discharge and low loss design ensures high electrical performance, energy efficiency, and quiet operation.

Robust Heat Dissipation: Open ventilated structure enhances heat dissipation and improves overload capacity under heavy loads.

Certified Quality: Manufactured in accordance with international standards and certified by ISO9001, CE, and IEC.

Company profile

Flexible CustomizationQA/QC InspectorsR&D CapabilitiesEnvironmental Protection

Foshan POWENEX Technology Co., Ltd

Guangdong, 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: 1 Year CertifiedNearest Port: Guangzhou PortAverage Response Time: ≤1.82h

AI-Powered supplier vetting

SummaryPOWENEX Technology is identified as the overseas business division of VL Cable Group, a manufacturer with more than 45 years of industry experience. The supplier reports professional technical R&D capability, 3D software design services, broad customization options, and multiple cable production lines covering conductor processing, insulation, cabling, armoring, and sheathing. It holds ISO9001:2015, ISO45001:2018, ISO14001, ISO50001, and CCC certifications, and maintains documented finished-product inspection procedures. Manufacturing contracts, in-stock service capability, and several quotation terms are reported. However, evidence also shows no SDK availability, no overseas warehouse, showroom, agents, branches, or offline trade-show participation. Export experience is stated as one year, with 11%–20% of sales from exports. No Fortune 500 cooperation is reported, and repeat-buyer preference is recorded as zero.

Supplier typeThe supplier is explicitly described as a professional technical supplier and as the overseas business division of VL Cable Group Co., Ltd., a leading electrical equipment manufacturer with more than 45 years of industry experience. This indicates a manufacturer-linked technical and international sales organization rather than an unidentified trading entity.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, ISO14001, ISO50001, and CCC certifications. CCC is also identified for product compliance, providing explicit evidence of both management-system and product-certification coverage.

R&D capabilityThe supplier reports professional technical R&D capability, 3D software design services, and seven R&D engineers. These are positive indicators of design and development resources, although SDK availability is explicitly absent.

Production capacityThe reported production infrastructure includes conductor drawing and annealing, stranding, triple-layer insulation co-extrusion, cabling, armoring, and sheathing production lines. The supplier also reports valid manufacturing-capacity contracts with associated subcontractors and in-stock service capability, supporting a broad production and fulfillment base.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides 3D software design services, indicating that customization extends from specification input through design support.

Client casesThe supplier explicitly reports no cooperation with Fortune 500 companies, and preference from repeat buyers is recorded as zero. No positive customer-case evidence is provided in the available slices.