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Indoor Cast Resin Potential Transformer
US$40.00
1 Piece
Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Application

Instrument

Type

Combined Transformer

Phase

Three

Operation Condition

Indoor

Usage

Protection, Measurement

Winding Form

Three-Phase Three-Wire

Insulating Medium

Epoxy Resin

Installation

Indoor Panel Mounted

Magnetic Circuit Structure

Single Stage Type

Voltage Transformation Principle

Electromagnetic Type

Transport Package

Wooden Case/Plywood Case with Foam Protection

Specification

Customized

Trademark

OEM

Origin

Zhejiang China

HS Code

8504311000

Production Capacity

100 Pieces/Week

Key features

Extended Service Life: Stainless steel double-layer enclosure ensures a service life exceeding twenty years.
Maintenance-Free Design: Utilizes predictive live-line touchable silicone rubber cable heads, fully sealed and insulated.
Flexible Wiring Configurations: Supports up to eight branch circuits and compatible with one or multiple SF6 load switches.
Compact and Aesthetic Structure: Sleek design with stainless steel or color-coated steel panel options for various environments.
Advanced Insulation Technology: Epoxy resin cast enclosure with APGI process offers excellent insulation and contamination resistance.
Comprehensive Safety Features: Includes explosion-proof measures and SF6 gas venting to safeguard personnel during accidents.
Low Leakage Rate: Annual leakage rate is guaranteed to be less than or equal to 0.1%.
High Altitude Adaptability: Proven safe operation at altitudes up to approximately 3000 meters with design adjustments.

Company profile

Wenzhou Longqi Import and Export Co., Ltd.
Fast DeliveryCustomization from SamplesFull CustomizationQuality Assurance
Business Type: Trading CompanyExport Year: 2025-05-01Nearest Port: Wenzhou Port, Ruian Port, Yueqing Bay Port AreaAverage Response Time: ≤6.69hTerms of Payment: T/T, D/P, PayPal, etc.International Commercial Terms(Incoterms): FOB, Others, FCA, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT

AI-Powered supplier vetting

SummaryThe supplier is a limited company with affiliated companies and offers high- and low-voltage electrical equipment, including switchgear, transformers, circuit breakers, and related accessories. It reports OEM service for well-known brands and broad customization options, supported by assembly, copper-strip processing, and robotic welding facilities. Finished-product inspections reportedly follow written instructions uniformly. However, its service-management controls are weak: no written procedures or records were reported for service capability assessment, corrective and preventive actions, or complaint handling. Overseas service coverage is stated as zero, and R&D capability with SDK availability is absent. Financial and sustainability records are referenced by year, but the supplied information does not provide assessable financial results or environmental/fire-drill status. Customer cases are not explicitly identified.
Supplier typeThe supplier is identified as a limited company and is part of a larger company group through affiliated companies. Its stated product scope centers on electrical power-distribution and switching equipment, including switchgear, substations, transformers, and circuit breakers.
After-Sales capabilityThe supplier reports no written procedures or followed records for service-capability assessment, corrective and preventive actions, or effective customer-complaint handling. Although it describes 24/7 cross-border communication support and states one-month lead times, overseas service coverage is listed as zero, so formal after-sales capability is not demonstrated.
R&D capabilityThe supplier reports no R&D capability with an available SDK. This is explicit evidence of a limitation in the stated innovation and software-development support, while no broader R&D evidence is provided.
Production capacityThe supplier lists assembly lines, copper-strip processing machinery, and welding robots, and offers a defined range of high- and low-voltage electrical products. It also reports three quality assurance and quality control inspectors and uniformly followed finished-product inspection instructions, supporting production and quality-control capability.
Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, and minor customization. Its company description also states solution customization as part of its foreign-trade services, demonstrating broad stated customization coverage.
Client casesThe supplier states that it provides OEM services for well-known brands, which is evidence of brand-related customer experience. However, no customer names, project details, product references, or verifiable case descriptions are supplied.

Product Q&A

Q:What is the rated voltage of the load switch?
A:
The rated voltage is 12kV.
Q:Can the unit be customized for high altitude usage?
A:
Yes, for altitudes exceeding 2000 meters, specific design adjustments are made, with proven safe operation up to 3000 meters.
Q:What is the annual leakage rate of the SF6 gas?
A:
The annual leakage rate is less than or equal to 0.1%.
Q:What certifications does the product comply with?
A:
The product complies with IEC 60265, IEC 62271, GB 3804, and GB 16926 standards.
Q:What is the mechanical life of the load switch?
A:
The mechanical life is 5000 operations for the load switch and 2000 for the earthing switch.

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