Switch Gear
Your Professional Switch Gear Supplier！
RENLE was founded in 1999 and has remained dedicated to the R&D, production,and sales ofelectrical equipment, committed to providing global customers with efficient,energy-saving, and stable industrial control solution.
Why Choose Us
Professional Team
The company insists on people-oriented and technological innovation, and the R&D team accounts for more than 30% of the total number of employees. Invested heavily in the introduction of a complete set of precision instruments and experimental equipment.
Sales Market
Our product Export United States, Vietnam, Japan, Britain, Italy, Russia, India, Brazil, Spain, the Middle East and other countries and regions.
Rich Experience
We has 20+ years of research, 120 Professional sales service, engineers / person and 35 Presence in /countries.
Switch Gear - Overview
A switchgear cubicle is a modular, metal-enclosed unit that houses and protects electrical components like circuit breakers, disconnectors, and other control and protection devices. These cubicles are arranged in a lineup to form a larger switchgear assembly, used in power distribution to control, protect, and isolate electrical circuits in facilities such as power plants, substations, and large industrial buildings.
Product Specification
We offers the following product specifications
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Project |
Unit |
Parameters |
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|
Rated voltage |
KV |
3.6,7.2,12 |
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|
Rated frequency |
Hz |
50 |
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|
Rated current for circuit breaker |
A |
630,1250,1600,2000,2500,3150 |
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|
Rated current for switchgear |
A |
630,1250,1600,2000,2500,3150 |
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|
Rated thermal stability current |
KA |
25,31.5,40,50 |
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|
Rated dynamic stable current (peak value) |
KA |
50,63,80,100,130 |
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|
Rated short circuit breaking current |
KA |
20,25,31.5,40,50 |
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|
Rated short-circuit making current (peak value) |
KA |
50,63,80,100,130 |
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|
Rated short-circuit making current (peak value) |
Power frequency withstand voltage for 1 min |
KV |
23 |
32 |
42 |
|
Power frequency withstand voltage for 1 min |
KV |
40 |
60 |
75 |
|
|
Protection level |
The shell is IP4X,and IPZX when doors of compartment and circuit breaker room open. |
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Advantages of Switch Gear
Enhanced Reliability: Because the switchgear protects against malfunction, it can ensure that the interconnectivity is undisturbed by cutting off the faulty areas, allowing the other areas to continue to function.
Power Flow Management: The switchgear is efficient and maintains consistency and ensures the power flow stays in an optimal range.
Differentiation: The switchgear can discern between the functioning and faulty parts of a circuit. It can then compartmentalize these different parts to allow continuous power.
Quick Response: The switchgear quickly detects a malfunction in the circuit and prevents the spread or damage from the fault.
Manual Control Override: While the switchgear runs automatically and autonomously, it does have a manual control override in case the electrical control fails.
Types of Switch Gear
Low Voltage (LV) Switchgear
Low Voltage (LV) switchgear is used in various industries to regulate systems up to 1kV. It is commonly found in residential, commercial, and industrial settings where voltage is low.
Medium Voltage (MV) Switchgear
Medium voltage (MV) switchgear operates in systems with voltages from 1kV up to 35kV. Typically employed in utility distribution, data centers, hospitals and other commercial and industrial applications providing enhanced protection and control for systems at medium voltage levels.
High Voltage (HV) Switchgear
High Voltage (HV) switchgear is designed to handle voltages above 35kV. Often associated with power transmission networks, it finds application in large-scale industrial plants. HV switchgear plays a pivotal role in ensuring the safe and reliable transfer of electricity over long distances.
Uses of switchgear
Domestic installations
Lighting systems, power outlets, appliances, security systems, among others.
Industrial installations
Used to control machinery, automation systems, power distribution to large equipment, circuit protection, among other industrial applications.
Public installations
Employed in public lighting, transportation systems, supplying power to public buildings, among others.
Electrical grids
Their functions include supporting the generation, production, storage, distribution, control, or transformation of electrical energy.
Components of Switch Gear
Switchgear essentially consists of switching and protecting devices such as switches, fuses, isolators, circuit breakers, protective relays, control panels, lightning arrestors, current transformers, potential transformers, auto reclosures, and various associated equipment.
During normal operation, switchgear permits to switch on or off generators, transmission lines, distributors and other electrical equipment. On the other hand, when a failure (e.g. short circuit) occurs on any part of the power system, a heavy current flows through the equipment, threatening damage to the equipment and interruption of service to the customers.
Similarly, switching and current interrupting devices play a significant role in the modern electrical network, right from generating stations, transmission substations at different voltages, distribution substations, and load centers. The switching device here is called a circuit breaker.
The circuit breaker, along with associated devices for protection, metering, and control regulation, is called switchgear.
Precautions of Switch Gear
Working with a qualified professional: It is crucial to never work alone or near energised components on switchgear, and a qualified person with expertise should always be present to provide necessary assistance in case of emergencies.
Maintaining a safe working distance: Always maintain a safe distance from energised components as specified by electrical safety regulations and the specific switchgear being worked on.
Using appropriate tools and equipment: It's important to only use electrical tools and equipment that are rated for the application and are in good condition.
Proper grounding: Ensure proper grounding procedures by doing electrical ground testing are followed to prevent electrical shock hazards. Safe grounding helps dissipate any unintended electrical current.
Clear communication: Maintain clear communication with colleagues working on the electrical system to ensure everyone is aware of the maintenance activities being undertaken. This communication helps prevent accidental re-energisation of equipment while maintenance is in progress.
Customization Process
Requirement Discussion
Contact us and provide your design drawings, size specifications, and other technical parameters.
01
Design Proposal
Our professional team will develop a design proposal and provide a quotation based on your requirements.
02
Sample Production
We produce samples according to the design proposal and conduct rigorous testing.
03
Mass Production
Upon your approval, we commence mass production to ensure timely delivery and consistent quality.
04
After-Sales Service
We offer ongoing technical support and service to ensure the long-term stable operation of our products.
05
Package & Delivery
Package: Standard export package or Custom
Delivery: By air express, by sea
FAQ
We're well-known as one of the leading switch gear manufacturers and suppliers in China. Please feel free to buy customized switch gear made in China here from our factory. For pricelist and quotation, contact us now.