5SU1356-1KK10

Siemens 5SU1356-1KK10 is a type of surge protection device (SPD) designed to protect electrical systems and equipment from overvoltage surges, such as those caused by lightning strikes or switching operations. Here’s an overview of its features, specifications, and applications:

Key Features:

1. Surge Protection: Provides protection against transient overvoltage surges.
2. Compact Design: Designed for easy integration into electrical distribution panels.
3. High Discharge Capacity: Capable of handling high-energy surges to protect connected equipment.
4. Status Indicator: Equipped with visual indicators to show the operational status of the device.
5. Plug-in Modules: Allows for easy replacement of protection modules without disconnecting the wiring.

Technical Specifications:

• Manufacturer: Siemens
• Model: 5SU1356-1KK10
• Type: Surge Protection Device (SPD)
• SPD Type: Typically Type 2, suitable for protection against indirect lightning strikes and switching operations.
• Nominal Voltage (Un): Designed for use in systems with a specific nominal voltage, often 230/400V AC.
• Maximum Continuous Operating Voltage (Uc): The maximum voltage that can be continuously applied to the SPD without causing damage, often in the range of 275-320V AC.
• Nominal Discharge Current (In): The current the SPD can discharge repeatedly without degradation, often specified in kiloamperes (kA).
• Maximum Discharge Current (Imax): The peak current the SPD can handle during a surge event, typically higher than In, and specified in kA.
• Voltage Protection Level (Up): The maximum voltage level that appears at the terminals of the SPD during a surge event, ensuring equipment protection, usually measured in kilovolts (kV).
• Response Time: The time taken by the SPD to respond to a surge event, typically in nanoseconds (ns).
• Installation: DIN rail mounted for easy integration into distribution boards.
• Protection Class: Typically IP20, providing basic protection against solid objects and dust.

Applications:

• Residential Buildings: Installed in residential distribution boards to protect household appliances and electronic devices.
• Commercial Buildings: Used in commercial electrical systems to safeguard office equipment, lighting, and HVAC systems.
• Industrial Facilities: Protects sensitive industrial equipment and control systems from overvoltage surges.
• Telecommunication Systems: Ensures the protection of communication equipment and infrastructure from surges.

Benefits:

• Equipment Protection: Prevents damage to electrical and electronic equipment caused by transient overvoltage surges.
• Cost Savings: Reduces maintenance and replacement costs by protecting equipment and extending its lifespan.
• Safety: Enhances the safety of electrical installations by preventing overvoltage damage and potential fire hazards.
• Easy Maintenance: Plug-in modules allow for quick and easy replacement, ensuring minimal downtime.

Considerations:

• Compatibility: Ensure the SPD’s voltage and current ratings match the electrical system’s specifications.
• Proper Installation: Follow manufacturer guidelines for installation to ensure effective protection and compliance with local electrical codes.
• Regular Maintenance: Periodic inspection and maintenance of the SPD are necessary to ensure continued protection and functionality.

The Siemens 5SU1356-1KK10 is a crucial component for protecting electrical systems from overvoltage surges, providing reliable protection and ensuring the longevity and safety of connected equipment.