# 30FU 30kA 3 Phase 2 SPD Technical Specifications and Applications

## Introduction

The 30FU 30kA 3 Phase 2 SPD (Surge Protective Device) is a critical component in modern electrical systems, designed to protect equipment from voltage surges and transient overvoltages. This device is particularly useful in industrial and commercial settings where three-phase power systems are prevalent. In this article, we will delve into the technical specifications and applications of the 30FU 30kA 3 Phase 2 SPD.

## Technical Specifications

### Voltage Rating

The 30FU 30kA 3 Phase 2 SPD is rated for a maximum continuous operating voltage (Uc) of 440V AC. This makes it suitable for use in three-phase systems with a nominal voltage of 400V AC.

### Current Rating

This SPD has a nominal discharge current (In) of 30kA per phase. This high current rating ensures that the device can handle significant surge currents without failure, providing robust protection for connected equipment.

### Number of Phases

As the name suggests, the 30FU 30kA 3 Phase 2 SPD is designed for three-phase systems. It includes two SPD modules, each capable of protecting two phases and the neutral line.

### Response Time

The response time of this SPD is less than 25 nanoseconds. This rapid response ensures that the device can quickly clamp transient overvoltages, minimizing the risk of damage to sensitive equipment.

### Protection Modes

The 30FU 30kA 3 Phase 2 SPD offers protection in multiple modes, including phase-to-phase, phase-to-neutral, and neutral-to-ground. This comprehensive protection ensures that all potential surge paths are covered.

## Applications

### Industrial Facilities

In industrial settings, the 30FU 30kA 3 Phase 2 SPD is used to protect machinery and control systems from voltage surges. This is particularly important in environments with heavy electrical loads and frequent switching operations, which can generate significant transient overvoltages.

### Commercial Buildings

Commercial buildings, such as office complexes and shopping malls, also benefit from the installation of this SPD. It helps safeguard sensitive electronic equipment, including computers, servers, and communication systems, from surge-related damage.

### Data Centers

Data centers, which house critical IT infrastructure, require reliable surge protection to prevent downtime and data loss. The 30FU 30kA 3 Phase 2 SPD is an ideal choice for these environments, offering high-performance surge protection for three-phase power systems.

### Renewable Energy Systems

Renewable energy systems, such as solar and wind power installations, are susceptible to voltage surges due to their exposure to environmental factors. The 30FU 30kA 3 Phase 2 SPD provides essential protection for these systems, ensuring their reliable operation.

## Conclusion

The 30FU 30kA 3 Phase 2 SPD is a versatile and robust surge protective device designed for three-phase power systems. With its high current rating, rapid response time, and comprehensive protection modes, it is well-suited for a wide range of applications, from industrial facilities to data centers and renewable energy systems. By incorporating this SPD into your electrical system, you can significantly enhance the protection of your equipment and ensure uninterrupted operation.