What is the lead time for production?

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

How is the quality of the product ensured?

We perform 100% inspection (visual and function) and ensure full traceability of raw materials.

What is the withstand voltage level?

The short-time (1min) power-frequency withstand voltage is 50kV, and the BIL level is 150kV.

Durable off-Circuit Tap Changer Switch for Electrical Transformers

Name: Durable off-Circuit Tap Changer Switch for Electrical Transformers
Brand: Shanghai Daohuang Electric Co., Ltd.
SKU: 2276316865

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

High Voltage Capability: Supports nominal voltage up to 35kV with 150kV BIL level withstand voltage.

Robust Contact System: Features spring-loaded copper rolling contacts with tin plating for 100A continuous current.

Leakage Proof Design: Operating shaft sealed by two high-temperature resistant O-Rings to prevent leakage.

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

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

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

Flexible Customization: Offers full, minor, and flexible customization from samples or designs.

Strict Quality Inspection: 100% visual and function inspection with full raw material traceability.

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.