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# 30FU 30kA 3 Phase 2 SPD Surge Protection Device Specification

Surge Protection Devices (SPDs) are essential components in safeguarding electrical systems from transient overvoltages. The 30FU 30kA 3 Phase 2 SPD is a robust solution designed to protect three-phase electrical systems from surges caused by lightning strikes, switching operations, and other electrical disturbances. This article delves into the specifications and features of this advanced SPD.

## Key Features

The 30FU 30kA 3 Phase 2 SPD boasts several key features that make it a reliable choice for surge protection:

– High Surge Current Capacity: With a maximum discharge current of 30kA, this SPD can handle significant surge events, ensuring the protection of connected equipment.
– Three-Phase Protection: Designed for three-phase electrical systems, it provides comprehensive protection across all phases.
– Compact Design: The compact form factor allows for easy installation in various electrical panels and enclosures.
– LED Indicators: Built-in LED indicators provide real-time status monitoring, ensuring quick identification of the device’s operational state.
– Thermal Protection: Equipped with thermal disconnectors, the SPD automatically disconnects in case of overheating, preventing potential fire hazards.

## Technical Specifications

Understanding the technical specifications of the 30FU 30kA 3 Phase 2 SPD is crucial for proper application and installation:

– Maximum Continuous Operating Voltage (Uc): 440V AC
– Maximum Discharge Current (Imax): 30kA (8/20μs)
– Nominal Discharge Current (In): 15kA (8/20μs)
– Voltage Protection Level (Up): ≤ 2.5kV
– Response Time: < 25ns
– Operating Temperature Range: -40°C to +85°C
– Enclosure Rating: IP20
– Mounting: DIN Rail Mounting

## Applications

The 30FU 30kA 3 Phase 2 SPD is suitable for a wide range of applications, including:

– Industrial Facilities: Protects machinery and control systems from surge damage.
– Commercial Buildings: Safeguards sensitive electronic equipment in offices and retail spaces.
– Data Centers: Ensures the reliability of critical IT infrastructure.
– Renewable Energy Systems: Protects solar inverters and wind turbines from electrical surges.

## Installation and Maintenance

Proper installation and maintenance are vital for the optimal performance of the 30FU 30kA 3 Phase 2 SPD:

– Installation: The SPD should be installed by a qualified electrician, following the manufacturer’s guidelines and local electrical codes. It is typically mounted on a DIN rail within the electrical distribution panel.
– Maintenance: Regular inspection of the SPD is recommended to ensure it is functioning correctly. The LED indicators should be checked periodically, and any signs of damage or wear should be addressed promptly.

## Conclusion

The 30FU 30kA 3 Phase 2 SPD is a high-performance surge protection device designed to safeguard three-phase electrical systems from transient overvoltages. With its robust features, technical specifications, and wide range of applications, it is an essential component for ensuring the reliability and safety of electrical installations. Proper installation and maintenance will ensure the SPD provides long-lasting protection for your electrical systems.