Detailed Product Description
ABB SPDs are designed to protect electrical equipment from transient overvoltages caused by lightning strikes, switching operations, and other electrical disturbances. These devices provide a safe path for excess energy
to ground, minimizing damage to sensitive electronics. ABB offers a wide range of SPDs to suit various applications, from residential to industrial.
Key Features and Benefits
Comprehensive Protection: ABB SPDs are designed to protect against both line-to-ground and line-to-line overvoltages.
High Energy Absorption: These devices can absorb high levels of energy without failure, ensuring maximum protection.
Fast Response Time: ABB SPDs react quickly to transient overvoltages, limiting the duration and magnitude of the surge.
Modular Design: Many ABB SPDs feature a modular design, allowing for easy installation, replacement, and maintenance.
Wide Range of Models: ABB offers a variety of SPDs to meet the specific needs of different applications, including AC and DC systems.
Advanced Monitoring: Some ABB SPDs include built-in monitoring features to provide real-time information about the device's status and performance.
Technical Specifications
Nominal Voltage: Available in a wide range of nominal voltages to suit various applications.
Maximum Discharge Current: Specified in terms of impulse current (kA) and time (μs).
Protection Level: Expressed in terms of maximum allowable let-through voltage (Up).
Connection Type: Available in various connection types, such as plug-in, screw terminal, and DIN rail.
Mounting: Can be mounted on DIN rails, panels, or other suitable surfaces.
Precautions and Considerations
Installation: SPDs should be installed in accordance with the manufacturer's instructions and local electrical codes.
Maintenance: Regular inspection and maintenance are recommended to ensure optimal performance.
Replacement: SPDs should be replaced after a trip or after a specified number of operations.
Coordination: SPDs should be coordinated with other protective devices in the electrical system, such as circuit breakers and fuses.
Applications
ABB SPDs are used in a wide range of applications, including:
Power distribution systems: Protecting transformers, switchgear, and other electrical equipment.
Industrial facilities: Protecting motors, control systems, and instrumentation.
Commercial buildings: Protecting electrical equipment in offices, schools, and hospitals.
Residential applications: Protecting household appliances and electronic devices.
Note: For specific product information and technical data, please refer to the ABB product catalog or contact your local ABB representative.
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surge protection device
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ABB OVR
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