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ABB 1SDA051383R1 Molded Case Circuit Breaker

Product Description

Detailed Specifications

Advantages and Features

1. Comprehensive Protection - Integrates thermal-magnetic tripping technology to provide reliable protection against overloads (via thermal element) and short circuits (via magnetic element), ensuring equipment and circuit safety under various fault conditions.
2. High Breaking Capacity - With 25kA breaking capacity at 415V, the breaker can safely interrupt high fault currents, minimizing the risk of electrical fires and equipment damage.
3. Compact Design - Space-saving construction allows for installation in tight electrical enclosures, optimizing panel space utilization in both new and retrofit applications.
4. Robust Construction - The molded case housing provides excellent mechanical strength and electrical insulation, ensuring durability in harsh industrial environments with dust, vibration, and temperature variations.
5. Easy Installation and Maintenance - Front-mounted bolted connections simplify installation and wiring, while the modular design allows for straightforward maintenance and replacement if needed.
6. Wide Operating Temperature Range - Operates reliably in temperatures from -5°C to +70°C, making it suitable for diverse environmental conditions without compromising performance.
7. Global Standards Compliance - Meets international safety and performance standards, ensuring compatibility and acceptance in global markets and applications.

Application Fields

• Industrial plants and manufacturing facilities
• Commercial buildings (shopping malls, office complexes, hotels)
• Data centers and telecommunications facilities
• Renewable energy systems (solar and wind power distribution)
• Infrastructure projects (hospitals, airports, transportation hubs)
• Marine and offshore auxiliary systems
• Machine tool and equipment protection
• Building automation systems

Usage Notes

1. Proper Sizing - Ensure the breaker's rated current and breaking capacity match the application requirements. Over-sizing may compromise protection, while under-sizing can lead to nuisance tripping.
2. Installation Environment - Mount the breaker in a clean, dry environment within the specified temperature range. Avoid direct exposure to moisture, corrosive gases, or excessive dust.
3. Wiring Requirements - Use appropriate cable sizes and torque values when making connections to ensure proper conductivity and prevent overheating. Follow the manufacturer's wiring diagram for correct phase and neutral connections.
4. Short-Circuit Current Rating - Verify that the installation's available short-circuit current does not exceed the breaker's Icu rating to ensure safe fault interruption.
5. Maintenance Schedule - Perform periodic inspections to check for loose connections, signs of overheating, or mechanical damage. Clean the breaker contacts as recommended in the maintenance manual.
6. Operation Testing - Conduct regular tripping tests to verify the breaker's functionality. Follow proper lockout/tagout procedures before performing any testing or maintenance.
7. Replacement Parts - Use only genuine ABB replacement parts to maintain the breaker's performance and safety characteristics.
8. Derating Factors - Account for derating factors when operating above 40°C or in enclosed spaces with limited ventilation, as specified in the product documentation.

The structure and details of the product：

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