What is the lead time for production?

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

How is the switch operated?

It is a manual, vertical rotary type switch that is mounted through the tank wall and operated from outside the transformer.

What quality inspections are performed?

Finished products undergo 100% inspection, including visual and function inspections, with full traceability of raw materials.

Dual Voltage Rotary Switch (De-Energized)

Name: Dual Voltage Rotary Switch (De-Energized)
Brand: Shanghai Daohuang Electric Co., Ltd.
SKU: 2276536565

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.

DDV

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 applied in oil-filled distribution transformers, mounted through tank wall for external operation.

High Durability Contacts: Spring-loaded copper rolling contacts with tin plating, available in 100A with stud type connectors.

Leakage-Proof Sealing: Operating shaft sealed against leakage by two high temperature resistant O-Rings for reliable performance.

Versatile Configuration: Available in single-deck and three-deck configurations, supporting both single-phase and three-phase systems.

High Voltage Capacity: Nominal voltage up to 35kV with 150kV BIL level and 150A continuous current rating.

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

Flexible Customization: OEM and ODM services available with options for full, minor, or flexible customization from samples or designs.

Strict Quality Control: 100% inspection including visual and function checks with full traceability of raw materials.

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: ≤5.60h

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.