Is the product suitable for high voltage?

Yes, it supports rated voltages of 12kV and 23kV AC with high breaking capacity.

Does it offer low oil level protection?

Yes, it includes optional low oil level protection which triggers a trip and locks manual operation.

What is the inspection standard?

Finished products undergo 100% inspection including visual and function inspection.

Transformer Magnetic Overload Protection with Oil Temperature Control

Name: Transformer Magnetic Overload Protection with Oil Temperature Control
Brand: Shanghai Daohuang Electric Co., Ltd.
SKU: 2279952545

Shanghai, ChinaShanghai Daohuang Electric Co., Ltd.

US$150.00-250.00

3 Pieces

Sample price:US$179.00/piece.Request sample

Product profile

Customization

Available

Breaking Capacity

High Voltage Circuit Breakers

Operation

Manual Type

Model NO.

OMI

Speed

High-Speed Circuit Breaker

Arc-extinguishing Medium

Oil-immersed Type

Installation

Fixed

Structure

Oil Immersed Interrputer

Poles Number

Type

Circuit Breaker

Function

Overcurrent Protection, Overtemp Protection, Low-Oil Level Protection

Transport Package

Box

Specification

270x200

Trademark

Daohuang

Origin

China

Key features

Self-Recovering Design: Reuses multiple times without replacing components after protection action.

Comprehensive Protection: Provides overcurrent, oil temperature, and low-oil level protection for transformers.

Load Switch Function: Capable of making and breaking load current via manual handle operation.

High Breaking Capacity: Rated interrupting current up to 2100A at 12kV for effective short-circuit protection.

Dual Voltage Protection: Optional feature available for enhanced voltage monitoring and safety.

Flexible Customization: Supports full customization, minor customization, and design-based customization.

High Mechanical Durability: Mechanical operation cycling exceeds 1000 times with over 400 rated load switch times.

No-Load Loss Prevention: Installed on power supply side to avoid no-load losses when transformer is out of operation.

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: ≤5.82h

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.