跳到内容 
In the complex power distribution system ecology, the switch equipment system is the core pillar to ensure the safe and efficient control of current. The key to the stable operation of these systems lies in various electrical accessories and switchgear components, which directly determine the performance, reliability, and safety of the system. Choosing the right switchgear accessories is not only a technical decision, but also has a direct impact on the stability of operation, maintenance costs, and compliance with industry standards.
As an experienced supplier of high-quality switchgear parts and electrical solutions, Chuanli has been committed to providing customized accessories for various switchgear systems for a long time. This article will delve into how to choose switchgear accessories. Focus on product advantages and practical purchase standards to help you make scientific decisions.
Switch equipment accessories are a general term for auxiliary electrical accessories, and their core function is to support the core operations of control, protection, measurement, and monitoring of switch equipment systems. Unlike main switchgear components such as circuit breakers and isolators, these accessories do not directly perform the task of switching on and off the main circuit, but can significantly enhance the system’s functionality, ensure safe operation, and achieve seamless integration with automated systems.
Take the switchgear accessories product portfolio of Chuanli as an example, which covers a full range of products from basic traffic lights to advanced digital monitoring units, Each model is designed to meet specific needs: whether it is providing real-time feedback on current data, triggering alarms in case of overload, or realizing remote control of switch devices, it can provide precise solutions.
The function of switch equipment parts and accessories is very important. A set of switchgear system equipped with high-quality accessories mainly has three advantages:
Improve safety: Accessories such as surge protectors and insulation monitors can effectively prevent electrical faults, reduce the risk of fires and equipment damage, and provide core protection for personnel and assets.
Improve operational efficiency: Control and automation accessories can simplify the operation process, reduce manual intervention and downtime. For example, the intelligent monitoring accessories of Chuanli can realize predictive maintenance by warning of potential faults in advance.
Ensure compliance and traceability: Measurement and recording accessories can achieve precise data collection, helping enterprises to meet regulatory requirements related to power distribution and energy consumption.
Chuanli classifies its electrical accessories according to their functional attributes, making it easier for customers to quickly match their switch equipment system requirements. The following are the most widely used categories:
These switchgear accessories are mainly used to realize the operation control and operation status feedback of switchgear, and the core products of Chuanli include:
Buttons and selection switches: Designed with an IP65 protection level, they are durable and can be used for manual control of circuit breakers and isolation switches, suitable for harsh industrial environments such as dust and moisture.
Indicators and alarm devices: Signal devices based on LED technology, which provide clear feedback on the state of the equipment through red (fault) and green (normal) colors. Compared with traditional bulbs, the long-life LEDs of Chuanli reduce the frequency of replacement by more than 80%.
As the core switch equipment component for preventing electrical risks and achieving precise energy consumption monitoring, this kind of product is the advantage product line of Chuanli:
Current and voltage transformers: Compact size, high precision, can reduce high current / high voltage in proportion, easy to measure safely. Chuanli’s current transformer products conform to the IEC 6186 9 standard, providing reliable data support for billing and system optimization.
Surge protectors and fuses: Used to protect switchgear from voltage spikes caused by lightning, power grid fluctuations, etc. Chuanli’s metal oxide surge protector has excellent clamping voltage performance, especially suitable for new energy power generation scenarios.
This kind of switch equipment parts ensure the solid and efficient electrical connection, reduce contact resistance and heat generation problems, and the representative products of Chuanli are:
Cable terminals and connectors: Made of tin-plated copper, providing two forms of compression or bolt connection, suitable for different wire diameters. All of the connectors from Chuanli are treated with anti-corrosion, which can significantly extend their service life in humid or chemical corrosive environments.
Wiring terminal block: Modular design, used for organizing wiring, covering various functions such as through-hole, grounding, and fuses. Compared with screw-type products, the push-in terminal block of Chuanli can improve the installation efficiency by 50%.
In line with the development trend of smart grids, this kind of electrical accessories can realize the remote monitoring and control of switch equipment system, and the core solutions of Chuanli include:
Smart electricity meters and data recorders: Support Wi-Fi connection, can track energy consumption, power quality, and switch equipment operation status in real time, and data can be connected to the Chuanli cloud platform for analysis.
PLC interface module: Realizes the interconnection between switch equipment and programmable logic controller (PLC), supports automatic operation such as load switching and circuit tripping. The PLC compatible accessories of Chuanli support the mainstream protocols such as Modbus and Profinet, ensuring seamless integration.
This kind of switch equipment accessories are specially designed to ensure the safety of operation and maintenance personnel, strictly follow safety standards, and the core products of Chuanli are:
Lockout/Tagout (LOTO) devices: Include lockable latches and signboards to prevent accidental closing of equipment during maintenance operations. The LOTO products of Chuanli comply with OSHA standards and are compatible with most switch device models.
Insulation Tester: Portable design, used to measure the insulation resistance of switchgear components. The digital insulation tester of Chuanli has high precision, adopts battery power supply, and is convenient for on-site operation.
Selecting electrical accessories for switchgear requires a comprehensive perspective, balancing technical compatibility, environmental adaptability, and long-term value. The key considerations emphasized by the Chuanli engineering team are as follows:
The most basic principle is to ensure that the accessories match the voltage and current level of the switchgear system. Using accessories with insufficient rated values (such as using a 100A fuse in a 200A circuit) will cause overheating faults, while rated values that are too high will result in cost waste.
Chuanli simplifies this process through clear product identification – for example, its surge protectors offer 1kV, 10kV, and 35kV specifications, which are suitable for low, medium, and high-voltage switchgear, respectively. For customized systems, the Chuanli technical team can also provide a free compatibility evaluation service.
The operating environment of switchgear is diverse, ranging from dusty industrial plants to humid coastal power plants, and electrical accessories must have corresponding environmental tolerance. Key considerations include:
Protection class (IP): For outdoor or humid environments, choose accessories with a protection class of IP65 or higher; IP20 grade products can be selected for indoor clean environment.
Temperature range: The accessories in cold regions (such as northern substations) need to withstand low temperatures, while the accessories in scenarios such as steel mills need to have high-temperature resistance.
Corrosion resistance: Chemical enterprises or coastal areas should choose accessories made of stainless steel or galvanized materials. The anti-corrosion cable terminal of Chuanli has passed 1000 hours of salt spray test, and its performance is stable.
The accessories of switch equipment must conform to international and regional standards, which is the basic guarantee of product reliability and legal compliance. Common certifications include:
IEC (International Electrotechnical Commission) standards: Applicable worldwide (e.g., low-voltage switchgear accessories must comply with IEC 60949 standards).
UL (Underwriters Laboratories) standards: Suitable for the North American market.
GB (National Standard) standard: Suitable for domestic scenarios in China.
All of the switchgear components from Chuanli have been rigorously tested to meet the above standards—— for example, its control devices are UL-certified, and its measuring components comply with the IEC 61558 standard.
Easy to install and maintain accessories can significantly reduce labor costs and downtime, and Chuanli has always adhered to user-oriented design in product design:
Modular design: Accessories such as terminal blocks and surge protectors use plug-and-play design, which can be installed without special tools.
Clear identification: Wiring diagrams and model information are printed directly on the surface of the accessory, making it easy to identify quickly during maintenance.
Long service life: Using high-quality materials such as ceramic insulators and gold-plated contacts to extend the product life.
With the digital and intelligent upgrade of switchgear systems, the scalability of accessories is of great importance. The intelligent electrical accessories of Chuanli all have forward-looking design:
IoT platform compatibility: Data loggers and smart meters can be connected to existing IoT systems or the exclusive cloud platform of Chuanli, to meet the remote monitoring needs of enterprises after expansion.
Flexible protocol support: Automated accessories are compatible with multiple communication protocols, ensuring that future PLC or SCADA system upgrades can still be used normally.
In automobile, electronic, chemical and other manufacturing plants, switch equipment systems need to withstand the test of large current and harsh environment. Heavy-duty cable terminals, surge protectors, and IP67-rated control devices from Chuanli are widely used in such scenarios to provide stable power distribution for production lines.
Office buildings, shopping malls, hospitals and other commercial places have higher requirements for the energy efficiency and safety of accessories. The intelligent electricity meter from Chuanli can help with energy consumption statistics and cost optimization, while the LOTO device and insulation monitor ensure compliance with building codes. Its compact terminal block is especially suitable for scenes with limited space in the electrical room.
Power companies and new energy projects such as solar and wind energy need accessories that can adapt to outdoor environments and are compatible with smart grids. Chuanli’s high-voltage surge protector can withstand lightning strikes and protect wind turbine switchgear; The data recorder can remotely monitor the power generation of the photovoltaic power station. These products are specially designed for the characteristics of current fluctuations in new energy systems.
Choosing the right electrical accessories for switchgear systems is a critical decision that affects safety, efficiency, and long-term operating costs. By focusing on compatibility, environmental adaptability, certification compliance, and future scalability, you will select high-quality accessories that can improve the performance of switchgear and reduce risks.
As a trusted partner, Chuanli provides switch equipment accessories covering all scenarios. From basic connection components to advanced intelligent monitoring units, each product combines quality, compliance, and ease of use – with professional technical support and after-sales service to ensure seamless integration.
Whether you are upgrading an existing system or designing a new system, the Chuanli team can assist you in selecting electrical accessories for switchgear that match your specific needs. Welcome to visit www.clelek.com to browse the product series or inquire about customized solutions.
What are electrical accessories in a switchgear system?
The electrical accessories in the switchgear system are auxiliary components that support the core functions of control, protection, measurement, and monitoring, including buttons, surge protectors, current transformers, smart meters, and safety locking devices. Unlike main components such as circuit breakers, these accessories are mainly used to improve the functional, safety, and efficiency of the system – for example, the LED indicator of Chuanli can provide feedback on the status of the equipment, and the data recorder can track energy consumption.
How do I choose the right accessories for my switchgear?
First, you need to ensure that the accessories match the voltage/current level and environmental conditions of the switchgear (e.g., IP65 protection in a humid environment). Secondly, verify whether the product conforms to IEC, UL, and other relevant standards; At the same time, consider the convenience of installation and maintenance (such as the modular terminal block of Chuanli) and future expansibility (such as the Internet of Things compatible smart meter). If you need personalized suggestions, you can consult with the Chuanli technical team, who will recommend suitable products based on your system conditions, such as anti-corrosion cable terminal for coastal scenarios and high-temperature resistant components for industrial scenarios.
What standards should electrical accessories comply with?
The specific standard depends on the region and scenario of use. Global IEC standard (e.g., control devices must comply with IEC 60949); UL or CSA certification is required for the North American market; The Chinese market needs to comply with the national standard (GB). Additional standards are required for new energy and other special fields (such as photovoltaic monitoring accessories must comply with IEC 61723). All of the switchgear accessories from Chuanli meet these standards, such as surge protectors that comply with IEC 61644 and control devices that are UL certified.
Can I mix accessories from different brands?
It is technically feasible, but it is not recommended to do so. Different brands may use proprietary designs or different quality standards, which may lead to compatibility issues or safety hazards, and may also lead to the loss of warranty. Chuanli recommends unifying the brand to ensure stability – its full range of accessories are not only compatible with its own switchgear, but also compatible with most third-party systems, ensuring reliability.
How often should electrical accessories be inspected or replaced?
The frequency of inspection depends on the use scenario and frequency: industrial scenarios recommend monthly inspections, and commercial buildings can be inspected every quarter. Pay special attention to consumable accessories (such as buttons, fuses) and safety core accessories (such as surge protectors, insulation monitors). If corrosion, cracks, or other signs of damage are found, or if performance problems such as inaccurate readings or signal failure occur, they should be replaced immediately. The long-life products (such as the 50,000-hour indicator) of KELI can reduce the frequency of replacement, but still need to follow the manufacturer’s maintenance guidelines. Transformer and other core components should be replaced every 10-15 years based on usage, according to the recommendation of Chuanli.
