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25ka Surge Arrester 25GR 4P Type 1 Technical Specifications and Features

When it comes to protecting electrical systems from transient overvoltages, the 25ka Surge Arrester 25GR 4P Type 1 stands out as a reliable solution. Designed for high-performance surge protection, this device ensures safety and longevity for both residential and industrial applications. Below, we explore its key technical specifications and features.

Key Technical Specifications

The 25ka Surge Arrester 25GR 4P Type 1 is engineered to meet stringent safety and performance standards. Here are its primary specifications:

  • Maximum Discharge Current (Imax): 25kA (10/350μs waveform)

  • Nominal Discharge Current (In): 12.5kA (8/20μs waveform)

  • Voltage Protection Level (Up): ≤ 4.0kV

  • Rated Voltage (Uc): 320V AC

  • Response Time: ≤ 100ns

  • Number of Poles: 4P (4-pole configuration)

  • Operating Temperature Range: -40°C to +80°C

  • Protection Class: Type 1 (IEC 61643-11)

Key Features

The 25GR 4P Type 1 surge arrester offers several advanced features that make it an ideal choice for surge protection:

  • High Surge Capacity: Capable of handling high-energy surges up to 25kA, ensuring robust protection against lightning strikes and power surges.

  • Fast Response Time: With a response time of less than 100ns, it quickly diverts excess voltage away from sensitive equipment.

  • Durable Construction: Built with high-quality materials to withstand harsh environmental conditions, including extreme temperatures and humidity.

  • Visual Status Indicator: Equipped with an LED indicator to provide real-time status of the arrester’s functionality.

  • Easy Installation: Designed for seamless integration into electrical distribution panels, making it user-friendly for electricians.

  • Compliance with Standards: Meets IEC 61643-11 standards for Type 1 surge protective devices, ensuring reliability and safety.

Applications

The 25ka Surge Arrester 25GR 4P Type 1 is suitable for a wide range of applications, including:

  • Residential and commercial buildings

  • Industrial facilities

  • Telecommunication systems

  • Power distribution networks

  • Renewable energy installations (solar/wind)

Conclusion

For those seeking a high-performance surge protection device, the 25ka Surge Arrester 25GR 4P Type 1 delivers exceptional reliability and efficiency. Its robust design, compliance with international standards, and ability to handle high-energy surges make it a top