How long is the lead time?

The lead time is within 15 workdays for both peak and off-peak seasons.

What is the BIL level?

The Basic Impulse Insulation Level (BIL) is 150 kV.

Is the switch grounded?

No, the grounding mode is not grounding (ungrounded).

Efficient Rotary Tap Changer for Oil Distribution Systems

Name: Efficient Rotary Tap Changer for Oil Distribution Systems
Brand: Shanghai Daohuang Electric Co., Ltd.
SKU: 2271342655

Shanghai, ChinaShanghai Daohuang Electric Co., Ltd.

US$22.99-46.99

3 Pieces

Sample price:US$36.00/piece.Request sample

Product profile

Customization

Available

Type

High-voltage

Installation

Indoor High-voltage

Model NO.

DTP

Operation

Manual

Grounding Mode

Not Grounding

Movement Mode

Vertical Rotary Type

Number of Poles

Multi

Grounding

Un Grounded

Brand

Daohuang

Trademark

Daohuang

Origin

China

Key features

De-Energized Rotary Design: Rotary-type switch designed for de-energized operation in oil-filled distribution transformers.

High Current Capacity: Features 100A contacts with tin-plated copper and stud type connectors for reliable performance.

Durable Construction: Body, rotor, and shaft made of high-strength glass-filled thermoplastic material.

Leakage Protection: Operating shaft sealed with two high-temperature resistant O-Rings to prevent leakage.

Flexible Configuration: Available in single-deck and three-deck configurations for single-phase and three-phase systems.

Complete Handle Kit: Includes handle, mounting screw, nut, indicator plate, and gasket for easy installation.

OEM & ODM Services: Offers full customization, minor customization, and flexible customization from samples or designs.

Strict Quality Control: 100% inspection including visual and function checks for all finished products.

Company profile

R&D CapabilitiesFast DeliveryImporters and Exporters

Shanghai Daohuang Electric Co., Ltd.

Shanghai, 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: 4 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤6.63h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company in Shanghai with a stated scope covering mechanical parts and component processing, technical services, technology development, and electronic and electromechanical product sales. It reports professional technical R&D capability, 3D software design, customization, ODM, and OEM services, as well as new product development during the past year. Quality-related procedures include corrective and preventive actions, complaint handling, quality assurance, and raw-material traceability. However, the supplier reports no valid manufacturing-capacity contract with affiliated subcontractors, no inventory, overseas warehouse, overseas showroom, overseas agents or branches, or SDK availability. Financial evidence is insufficient because the provided figures are non-informative placeholders and no monetary data is presented. Customer-specific cases and certifications are not documented.

Supplier typeThe supplier is classified as a trading company located in Songjiang District, Shanghai. Its stated business scope also includes mechanical parts and component processing, technical services, technology development, consulting, and sales of electronic and electromechanical products, indicating a trading-oriented entity with technical-service activities.

After-Sales capabilityThe supplier has clear procedures and records for corrective and preventive actions and customer complaint handling, supported by quality assurance and raw-material traceability. However, it has no overseas agents or branches, serves no stated overseas countries, and its supplier-service assessment procedure has written procedures but no records, so the documented capability is stronger for internal service processes than for international after-sales coverage.

R&D capabilityThe supplier reports professional technical R&D capability, 3D software design services, new product development within the past year, and ODM capability. It does not have an available SDK, but the documented product-development and design capabilities support a positive innovation assessment.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. Its reported ODM service further supports the ability to provide design-based customized solutions.

Client casesThe supplier states that it provides OEM services for popular brands, which is evidence of experience serving recognized-brand customers. However, no customer names, project descriptions, products, or verifiable case details are supplied.