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Manual De-Energized Tap Selector for Oil-Filled Transformers: Rotary Tap Changer Switch
US$22.99-46.99
3 Pieces
Sample price:US$36.00/piece.Request sample
Product profile
Customization
AvailableType
High-voltageInstallation
Indoor High-voltageModel NO.
DTPOperation
ManualGrounding Mode
Not GroundingMovement Mode
Vertical Rotary TypeNumber of Poles
MultiGrounding
Un GroundedBrand
DaohuangTrademark
DaohuangOrigin
ChinaKey features
De-Energized Operation: Rotary-type switch designed for safe operation when the transformer is de-energized.
High Durability Contacts: Features spring-loaded copper rolling contacts with tin plating for reliable conductivity.
Leakage Protection: Operating shaft sealed with two high-temperature resistant O-Rings to prevent oil leakage.
Versatile Configuration: Available in single-deck and three-deck setups for single-phase and three-phase systems.
Robust Material Build: Body, rotor, and shaft crafted from high-strength, glass-filled thermoplastic material.
Flexible Customization: Supports full customization, minor adjustments, and design-based modifications.
Quality Assurance: 100% inspection including visual and function checks for all finished products.
Fast Delivery: Average lead time within 15 workdays for both peak and off-season periods.
Company profile
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: ≤2.19h
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.
Product Q&A
Q:Is the tap changer suitable for oil-filled transformers?
A:
Yes, it is specifically designed for oil-filled distribution transformers and electrical equipment.
Q:What is the maximum nominal voltage?
A:
The tap changer supports a nominal voltage of up to 35 kV.
Q:Can the switch be customized?
A:
Yes, we offer full customization, minor customization, and customization from samples or designs.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 1 set.
Q:How long is the average lead time?
A:
The average lead time is within 15 workdays, regardless of peak or off-season.
Send Inquiry
*To:Shanghai Daohuang Electric Co., Ltd.
*Content:
Supplier replies will be sent to your registered email
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