Is the switch suitable for outdoor use?

The switch is designed for indoor installation in oil-filled distribution transformers.

What is the continuous current rating?

The continuous current rating is 150 A.

Do you provide OEM and ODM services?

Yes, both OEM and ODM services are available for this product.

Durable Rotary off-Circuit Tap Changer Switch for Oil Transformers

Name: Durable Rotary off-Circuit Tap Changer Switch for Oil Transformers
Brand: Shanghai Daohuang Electric Co., Ltd.
SKU: 2280579045

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

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

High Durability Contacts: 100 A tin-plated copper rolling contacts with spring-loaded mechanism for reliable performance.

Robust Material Construction: Switch body, rotor, and shaft made of high-strength glass-filled thermoplastic material.

Leakage Protection: Operating shaft sealed against leakage by two high-temperature resistant O-Rings.

Complete Kit Included: Each handle kit includes handle, mounting screw, nut, indicator plate, and gasket.

High Voltage Rating: Designed for 35 kV nominal voltage with 50 kV power-frequency withstand capability.

Flexible Customization: Offers full, minor, and sample-based customization options for specific design needs.

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: ≤2.77h

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.