Three Phase High Voltage Vacuum Circuit Breaker for Protection

Product Specification

Industrial High Voltage Vacuum Circuit Breaker AC Automatically/Manually Operated Powerful Circuit Breaker

Product Description:

The ZW8-12 outdoor high-voltage AC vacuum circuit breaker is suitable for three-phase AC outdoor high-voltage switchgear with a rated voltage of 12kV and a rated frequency of 50Hz. It is mainly used in the distribution systems of 10kV urban and rural power grids to switch on or off load currents and short-circuit fault currents. It is one of the most widely used, mature, and stable products in the power system.

 
 
Appication:

1.Power Distribution Networks: The ZW8-12 circuit breaker can be used in medium-voltage distribution networks, such as substations, to protect transformers, feeders, and other electrical equipment from overloads and short circuits. It ensures reliable and safe operation of the distribution system.

2.Industrial Plants: Industries such as manufacturing plants, chemical facilities, and mining operations often utilize the ZW8-12 circuit breaker to protect critical equipment and machinery. It provides fault protection for motors, generators, switchgear, and other industrial electrical systems.

3.Commercial Buildings: The ZW8-12 circuit breaker is commonly installed in commercial buildings, including office complexes, shopping malls, hospitals, and educational institutions. It safeguards electrical distribution systems, HVAC systems, elevators, lighting circuits, and other essential building infrastructure.

4.Renewable Energy Systems: With the increasing adoption of renewable energy sources like wind and solar power, the ZW8-12 circuit breaker is used to protect medium-voltage renewable energy installations. It ensures safe disconnection of power generated from renewable sources during faults or maintenance operations.

5.Infrastructure Projects: The ZW8-12 circuit breaker is suitable for infrastructure projects such as railways, airports, and water treatment facilities. It protects electrical systems, including traction power systems, lighting systems, pumping stations, and control circuits.

6.Data Centers: Data centers require reliable and robust electrical protection. The ZW8-12 circuit breaker is commonly used in medium-voltage distribution systems within data centers to safeguard critical servers, backup power systems, cooling infrastructure, and uninterruptible power supplies (UPS).

7.Oil and Gas Facilities: In the oil and gas industry, the ZW8-12 circuit breaker is employed in medium-voltage electrical systems for protection and control of pumps, compressors, motors, and other equipment in refineries, offshore platforms, and peline installations.

 
 
Feature:

1.This circuit breaker utilizes vacuum interrupters as the arc quenching medium. Vacuum interrupters are highly efficient in extinguishing arcs and provide excellent dielectric strength, ensuring reliable interruption of medium-voltage currents.

2.The ZW8-12 circuit breaker features a compact and modular design, allowing for easier installation, maintenance, and integration into switchgear assemblies. The compact size also helps optimize space utilization in electrical installations.

3.The circuit breaker is designed to handle high breaking capacities, allowing it to interrupt short circuits and fault currents safely. The breaking capacity of the ZW8-12 circuit breaker is typically specified by the manufacturer.

4.The ZW8-12 circuit breaker is engineered for reliable operation and has undergone rigorous testing to ensure its performance and durability. It incorporates high-quality materials and precision-engineered components to ensure stable and efficient switching operations.

5.Safety Features: The circuit breaker is equipped with safety features to enhance operator and system safety. These may include interlocking mechanisms to prevent incorrect operation, mechanical and electrical indicators to provide status information, and safety shutters to prevent accidental contact with live parts.

6.Remote Control and Monitoring: Depending on the specific model and manufacturer, the ZW8-12 circuit breaker may support remote control and monitoring capabilities. This allows for convenient operation and monitoring of the circuit breaker from a central control room or through a supervisory control and data acquisition (SCADA) system, enhancing system management and maintenance.

 
 
 
Structure:

1.Mold-based One-time Stretching Forming Technology: The upper cover of the enclosure is manufactured using advanced one-time stretching forming technology, which ensures a high level of mechanical strength, an IP4X protection rating, and an aesthetically pleasing appearance. This technology also facilitates easy installation. Additionally, the enclosure is resistant to rust and corrosion. Users have the option to choose between stainless steel or high-quality steel plate spray treatment.

2.Disconnecting Switch (Optional): The ZW32-12 vacuum circuit breaker offers an optional disconnecting switch feature. This switch is specifically designed based on the ZW8 switch body unit. It serves as a convenient and clearly visible disconnect point during distribution line maintenance. To prevent misoperation, a mechanical interlocking device is incorporated between the disconnecting switch and the circuit breaker. This ensures enhanced safety and minimizes the risk of accidental operations.

 
 
 
Technical Parameter: