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 1: The characteristics of the ZN12-12 Vacuum Circuit Breaker
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The ZN12-12 Vacuum Circuit Breaker is a special model commonly used in medium-voltage power systems, which can protect electrical equipment and systems from overloads and short circuits by interrupting the current in the event of a fault.
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Here are some characteristics of the ZN12-12 Vacuum Circuit Breaker:
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- 1):Voltage Rating: The ZN12-12 circuit breaker's design can operate at a voltage rating of 12 kilovolts (kV), which means it is suitable for medium-voltage power systems where the voltage levels do not exceed 12 kV.
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- 2): Current Rating: The circuit breaker is typically rated for a maximum current carrying capacity. The exact current rating of the ZN12-12 model may vary depending on the specific design and configuration, and it is commonly available in ratings suitable for medium currents, such as several hundred to a few thousand amperes.
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- 3). Vacuum Interrupter Technology: The ZN12-12 circuit breaker utilizes vacuum interrupter technology. Inside the circuit breaker, a vacuum is created to extinguish the arc that forms when the contacts of the circuit breaker open. Vacuum interrupters provide a reliable and efficient method for arc extinction, ensuring the safe interruption of current flow.
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- 4). Compact Design: The ZN12-12 Vacuum Circuit Breaker is typically designed with a compact and modular construction, allowing to easy installation and integration into switchgear or distribution panels. Its compact design makes it suitable for applications where space is limited.
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- 5). High Breaking Capacity: The circuit breaker is designed to handle high fault currents, it has a high breaking capacity and refers to its ability to safely interrupt and withstand fault currents without damaging the equipment or causing an electrical hazard.
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- 6). Reliable Operation: Vacuum circuit breakers, including the ZN12-12 model, are known for their reliable operation. They require minimal maintenance compared to other types of circuit breakers, and the vacuum interrupter technology offers excellent electrical and mechanical endurance.
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- 7). Auxiliary Control and Protection Features: The ZN12-12 Vacuum Circuit Breaker can be equipped with additional features to enhance its functionality and provide comprehensive control and protection. These can include features such as overcurrent protection, undervoltage release, shunt trip coils, and auxiliary contacts for remote monitoring and control.
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It's worth noting that specific details, such as the construction, dimensions, and technical specifications of the ZN12-12 Vacuum Circuit Breaker, may vary depending on the manufacturer and the specific variant or configuration of the
model.
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It is recommended to consult the product documentation or contact the manufacturer for precise and up-to-date information.
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2. N12-12 Vacuum Circuit Breaker applications:
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The ZN12-12 Vacuum Circuit Breaker commonly applies to various applications in medium-voltage power systems. Here are some of its typical applications:
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- 1) Power Distribution Networks:
The ZN12-12 circuit breaker is often used in power distribution networks to protect transformers, feeders, and other electrical equipment. It is employed to interrupt the current flow in case of overloads, short circuits, or faults, ensuring the safe and reliable operation of the distribution network.
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- 2) Industrial Plants:
The ZN12-12 Vacuum Circuit Breaker is utilized in industrial plants, including manufacturing facilities, refineries, chemical plants, and mining operations. It protects motors, generators, transformers, and other critical equipment from electrical faults and disruptions.
Commercial Buildings: The circuit breaker finds application in commercial buildings such as office complexes, shopping malls, hospitals, and hotels. It safeguards the electrical systems within the buildings, preventing damage to electrical equipment and ensuring the continuity of power supply.
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- 3) Renewable Energy Systems:
With the growing adoption of renewable energy sources such as solar and wind power, the ZN12-12 circuit breaker is often used in medium-voltage systems associated with these installations. It protects the inverters, transformers, and other components of renewable energy systems from faults and overloads.
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- 4）Railways and Transportation:
The ZN12-12 Vacuum Circuit Breaker can be used in railway electrification systems and other transportation infrastructure. It helps protect the electrical components of trains, subway systems, and electric vehicle charging stations.
Mining and Oil & Gas Industries: In the mining and oil & gas sectors, the circuit breaker can apply to protect equipment such as pumps, motors, compressors, and control systems from electrical faults. It ensures the safety and reliability of operations in challenging environments.
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- 5）Utilities and Power Generation:
The ZN12-12 circuit breaker can be used in utility power grids and power generation plants. It helps protect generators, switchgear, transmission lines, and other critical components, enabling safe and efficient power generation and transmission.
These are just a few examples of the applications of the ZN12-12 Vacuum Circuit Breaker. Its reliability, compact design, and high breaking capacity make it suitable for a wide range of medium-voltage electrical systems where protection against faults and overloads is required.
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3. The technology strength of our company.
The company relies on the strong supplying chain and professional technical team of the industrial base in product design, advanced production lines, the use of advanced integrated block structure, and sophisticated processing technology to provide users with safe, reliable, efficient, maintenance-free, long-life quality products, to solve the user's problems in the process of use.
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4. ZN12-12 indoor high-voltage environmental conditions:
ZN12-12 indoor high-voltage pneumatic load switch is a three-phase high-voltage switchgear with a rated voltage of 12kV and rated frequency of 50Hz, used for dividing and closing load current, closed-loop current, no-load transformer and current charging current and closing short-circuit current. Load switches equipped with grounding switches can withstand short-circuit currents.
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ZN12-12 indoor high-voltage load switch fuse combination appliance is N12-12 load switch and SKLAJ-12 (XRNTC1-10) high-voltage current-limiting fuse combination in one - together with the indoor switchgear. It can reliably open any current up to short-circuit current; the load switch opens the current, the fuse opens the short-circuit current, and jointly opens any current between the working current and full short-circuit current, while the fuse makes the load switch break through its impactor.
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5，Environmental conditions
- 1) Ambient temperature: not higher than +40C, not lower than -40C.
- 2) Relative air humidity: daily average not more than 95%, monthly average not more than 90%.
- 3) The altitude should not exceed 2000m.
- 4) The wind pressure should not exceed 700Pa (equivalent to a wind speed of 34m/s).
- 5) Seismic intensity should not exceed 8.
- 6) No fire, explosion, serious dirt, chemical corrosion and violent vibration.
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