The ABB GRID BREAKER UNIT GBU72 3BHE055094R0002 is a high-voltage grid breaker designed by ABB, a global leader in power and automation technologies, to ensure reliable protection and control in 72 kV electrical networks. This unit is engineered to safeguard power lines, transformers, and other critical infrastructure against faults such as short circuits, overloads, and ground leaks, making it indispensable in substations, industrial complexes, and renewable energy facilities. As a key component in modern power systems, ABB GRID BREAKER UNIT GBU72 3BHE055094R0002 combines robust construction with advanced monitoring capabilities, ensuring uninterrupted operation even in harsh environments. Detailed specifications and technical documentation for ABB GRID BREAKER UNIT GBU72 3BHE055094R0002 can be accessed via the official link: [link to ABB GRID BREAKER UNIT GBU72 3BHE055094R0002](provided link will be inserted here).
Built to ABB’s stringent standards, ABB GRID BREAKER UNIT GBU72 3BHE055094R0002 features a hermetic design with SF₆ gas insulation, ensuring zero leakage and long-term reliability. Its compatibility with digital communication protocols allows seamless integration into smart grids and SCADA systems, enabling real-time monitoring and remote operation. Whether deployed in urban substations or industrial power networks, ABB GRID BREAKER UNIT GBU72 3BHE055094R0002 delivers consistent performance, making it a trusted choice for critical power infrastructure.
The ABB GRID BREAKER UNIT GBU72 3BHE055094R0002 is optimized for high-voltage applications with the following key parameters:
- Rated Voltage: 72 kV
- Rated Current: 2500 A
- Maximum Breaking Current: 40 kA (for 2 seconds)
- Insulation Type: SF₆ gas with zero-leakage technology
- Protection Functions: Overload protection, short-circuit protection, phase failure detection, ground fault protection
- Communication Protocols: IEC 61850, Modbus TCP/IP
- Operating Temperature Range: -30 °C to +55 °C
- Enclosure Protection Class: IP65 (dust-tight and protected against water jets)
- Dimensions: 1200 mm × 800 mm × 1500 mm (width × depth × height)
- Weight: Approximately 500 kg
- Power Supply for Controller: 24 V DC or 110 V AC (max. power consumption: 50 W)
- Material: Stainless steel enclosure with anti-corrosion coating
For a complete list of technical details, refer to the official datasheet available at [link to ABB GRID BREAKER UNIT GBU72 3BHE055094R0002](provided link will be inserted here).
ABB GRID BREAKER UNIT GBU72 3BHE055094R0002 stands out for its combination of performance and durability:
- High Breaking Capacity: With a maximum breaking current of 40 kA, it efficiently handles severe faults, making it suitable for networks with variable loads (e.g., hybrid energy systems with wind and solar integration).
- SF₆ Insulation: Zero-leakage gas insulation ensures long-term reliability (up to 20 years without gas replacement) and minimizes environmental impact, complying with global eco-standards.
- Digital Integration: Support for IEC 61850 and Modbus TCP/IP enables seamless connectivity with smart grids and SCADA systems, facilitating remote monitoring, data analysis, and predictive maintenance.
- Robust Design: IP65 protection and a wide temperature range (-30 °C to +55 °C) allow operation in harsh environments, including industrial zones, coastal areas, and regions with extreme weather.
- Microprocessor-Based Control: Advanced controllers with programmable settings (e.g., fault response delays) ensure precise protection tailored to specific network requirements.
ABB GRID BREAKER UNIT GBU72 3BHE055094R0002 is deployed in diverse high-voltage scenarios:
- Industrial Power Networks: Protects transformers and distribution lines in manufacturing plants (e.g., steel mills, chemical facilities) from overloads during peak production cycles.
- Renewable Energy Facilities: Integrates with wind and solar farms to manage fluctuating power outputs, ensuring stable grid connectivity and rapid fault isolation.
- Urban Substations: Safeguards critical infrastructure in cities by preventing fault propagation, reducing downtime, and enhancing power supply reliability for residential and commercial areas.
- Transmission Lines: Used in 72 kV transmission networks to protect against short circuits and ground faults, ensuring efficient power delivery over long distances.
Real-world application studies are available at [link to ABB GRID BREAKER UNIT GBU72 3BHE055094R0002](provided link will be inserted here).
ABB GRID BREAKER UNIT GBU72 3BHE055094R0002 outperforms similar products in key areas:
The superior breaking capacity, wider operating range, and advanced connectivity make ABB GRID BREAKER UNIT GBU72 3BHE055094R0002 the preferred choice for high-demand applications.
- Ideal for High-Load Networks: Choose ABB GRID BREAKER UNIT GBU72 3BHE055094R0002 for 72 kV systems with variable loads (e.g., industrial plants, renewable energy grids) requiring robust fault handling.
- Smart Grid Integration: Opt for this model if digital monitoring and remote control via IEC 61850 are critical for operational efficiency.
- Harsh Environments: Its IP65 rating and wide temperature range make it suitable for outdoor installations, coastal areas, or regions with extreme weather.
- Installation: Ensure proper spacing from metal structures and cables to avoid electromagnetic interference; follow ABB’s recommended mounting guidelines.
- Maintenance: Conduct annual checks of SF₆ gas pressure and contact integrity to prevent leaks and maintain performance.
- Calibration: Program controller settings (fault thresholds, response times) to match network specifications to avoid false trips or delayed fault isolation.
- Eco-Compliance: Use certified ABB service partners for gas replacement to ensure proper SF₆ recycling and adherence to environmental regulations.
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