Power transformers
Dry and oil-immersed transformers are selected according to power, voltage, installation conditions, cooling and operating requirements.
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Complete electrical equipment for power distribution
Transformers, distribution cabinets and protective components are selected according to load, voltage, network diagram and operating conditions.
Transformers and cabinets for industrial facilities
We help connect the power transformer, switchgear, low-voltage panel and switching components into an understandable design package.
Security and management components for a stable network
The selection of protection, switching and distribution devices is based on circuit parameters, installation conditions and future maintenance.
Transformers dry and oil series
Switchgear and cabinets distribution and management
HV/LV components protection and switching
PRODUCTS
Main directions of electrical equipment
Select the direction of the task: transformation, distribution, switching, protection or cabinet assembly. The selection is specified based on the network diagram and operating conditions.
Low voltage components
Circuit breakers, protective and switching components for control cabinets, distribution and facility systems.
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High-voltage and low-voltage switchgear
Complete switchgears and cabinets are reviewed based on voltage, network design, dimensions and service requirements.
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High Voltage Components
Switching, protection and auxiliary components for distribution systems, substations and industrial facilities.
Open sectionCURRENT POSITIONS
Examples of equipment from the catalog
The cards below are taken from real products in WordPress. When adding new items, the catalog can be updated without editing the template.
Products
Distribution board for circuit breakers
Circuit Breaker Box (also called distribution board or box...
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High Voltage Components
Rotating internal high voltage disconnector
Rotary internal high voltage isolation switch is a key electrical equipment...
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Products
Outdoor Waterproof Stainless Steel Switchboard
Stainless steel wall mounted outdoor distribution board is a protective device special...
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Products
Transparent Industrial Automatic Three Phase Four Wire Leakage Proof Switch
Transparent Industrial Automatic Three Phase Four Wire Leakage Proof Switch...
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Products
Switch cabinet with double doors
The double-leaf switchboard (two-door enclosure) is a high-quality...
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Products
Three-phase control transformer
Three-phase control transformer is a key power supply in industrial control...
More detailsSOLUTIONS
From electrical task to equipment composition
For the buyer, not only the name of the product is important, but also compatibility in terms of network, installation location, protection, maintenance and documents.
Selection of transformer for load and installation conditions
Power, voltage, installation location, operating mode, cooling and maintenance requirements are recorded.
GoLayout of switchgear and distribution cabinets
The composition of the equipment is compared in terms of network diagram, dimensions, protective functions and ease of use.
GoProtective components for industrial and solar systems
Switching equipment and protective elements are selected according to current, voltage, DC/AC circuits and installation location.
GoAPPLICATIONS
Where is Qiaonasen equipment used?
Different objects require different packaging logic: from a compact cabinet to a transformer unit and distribution system.
Industrial enterprises
Power supply of production lines, distribution cabinets, transformer units and redundancy of critical loads.
Energy and distribution networks
Equipment for distribution, switching and protection in network and facility solutions.
Infrastructure and buildings
Complete cabinets and low-voltage components for sites with clear operation and maintenance.
Renewable energy
DC components, cabinets and protective devices for photovoltaic systems and associated infrastructure.
PRODUCTION AND SELECTION
Wenzhou Qiaonasen Electrical Equipment Co.,Ltd
The company develops, produces and sells equipment for the distribution and control of electrical energy: transformers, complete switchgear, high-voltage and low-voltage components, as well as power cabinets.
Initial data Voltage, load, network diagram, installation conditions, standards and location of operation.
Selection of composition Comparison of equipment series, dimensions, protective functions, configuration and delivery limits.
Production and control Checking the completeness, assembly, electrical parameters and documentation of the agreed order.
Delivery and support Coordination of packaging, labeling, support and service issues after shipment.
QUALITY AND DOCUMENTS
What is specified before delivery
For electrical equipment, it is important to agree in advance on parameters, equipment, control operations, packaging and a set of documents.
Confirmed parameters
Operating values and equipment compatibility are recorded before ordering to prevent incorrect packaging.
Project documents
The passport, diagram, instructions, packing list and other materials are prepared according to the agreed composition.
Check before delivery
Completeness, appearance and key control operations are specified for a specific product.
MATERIALS
Useful articles for choosing equipment
The resources section helps you understand the purpose of components, operating conditions and packaging issues before making a request.
07-27-2026
What is a sealed vacuum circuit breaker?
The sealed vacuum circuit breaker is a new generation of medium voltage switching equipment with full insulation and sealed design. During production...
Read
07-23-2026
Photovoltaic constant current switch: expansion of Russia's distributed photovoltaic industry opens a period of growing import demand
Growing market demand for photovoltaic constant-current switches in Russia Photovoltaic constant-current switches are in demand amid the active implementation of the project...
Read
07-20-2026
High Voltage Fuse: 1 Minute to Learn Professional Protection Equipment
1. Introduction: Purpose of High Voltage Fuse High Voltage Fuse is one of the basic protection devices of modern power systems...
ReadFAQ
Questions before request
If the initial data is prepared in advance, it is easier for the engineer to offer a realistic package and clarify open points.
What data is needed for the initial selection of equipment?
You must indicate the purpose, voltage, load, connection diagram, installation conditions, protection requirements and desired equipment.
Is it possible to select a set consisting of a transformer, switchgear and low-voltage cabinet?
Yes, the composition is discussed as a single energy distribution chain, but compatibility and supply boundaries are fixed according to technical data.
What materials would be helpful to include with your request?
A single line diagram, list of loads, photo or floor plan, required standard, operating voltage and operating conditions will do.
NEXT STEP
Submit project parameters for preliminary selection
Indicate the purpose, voltage, load, installation conditions and desired delivery contents. A Qiaonasen specialist will be able to quickly identify suitable equipment.
