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Rotary Tap Changer Switch (De-Energized) for Oil-Filled Distribution Transformers
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 transformer is de-energized.
High Voltage Rating: Nominal voltage up to 35kV with 150kV BIL level for reliable performance.
Durable Contact System: Spring-loaded copper rolling contacts with tin plating for 100A continuous current.
Leak-Proof Design: Operating shaft sealed with two high-temperature resistant O-Rings to prevent oil leakage.
Versatile Configuration: Available in single-deck and three-deck options for single-phase and three-phase systems.
Customization Available: Offers full customization, minor customization, and flexible options from samples or designs.
Complete Kit Included: Each handle kit includes handle, mounting screw, nut, indicator plate, and gasket.
Rigorous Quality Control: 100% inspection including visual and function checks for all finished products.
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: ≤15h
AI-Powered supplier vetting
SummaryThe supplier is a trade company located in Shanghai specialized in mechanical parts, technical services, and technology consulting. They exhibit strong R&D capabilities, offering various customization options and providing ODM and OEM services. However, they lack overseas service capacity and have no valid manufacturing contracts. Their financial credibility and after-sales service processes are unclear due to limited data.
After-Sales capabilityThe supplier has established procedures for corrective actions and handling customer complaints, indicating a structured approach to after-sales service.
R&D capabilityThe supplier demonstrates strong R&D capabilities, offering 3D software design services, ODM, OEM services, and has introduced new products recently.
Production capacityThe supplier lacks a valid manufacturing contract and does not have in-stock service capability.
Customization capabilityThe supplier offers various customization options, including full and flexible customization based on samples and designs.
Product Q&A
Q:What is the nominal voltage rating?
A:
The tap changer supports a nominal voltage of 35kV.
Q:Is the switch customizable?
A:
Yes, we offer full customization, minor customization, and flexible options based on samples or designs.
Q:What is the continuous current capacity?
A:
The switch handles a continuous current of 150A with tin-plated copper contacts.
Q:How is the switch operated?
A:
It is a manual, de-energized rotary-type switch operated from outside the transformer tank.
Q:What is the lead time for orders?
A:
The average lead time is within 15 workdays for both peak and off-peak seasons.
Send Inquiry
*To:Shanghai Daohuang Electric Co., Ltd.
*Content:
Supplier replies will be sent to your registered email
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