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25ka Surge Arrester 25GR 4P Type 1 Technical Specifications and Features
Introduction
The 25ka Surge Arrester 25GR 4P Type 1 is a high-performance surge protection device designed to safeguard electrical systems from transient overvoltages caused by lightning strikes or switching surges. This arrester is engineered to meet stringent safety and performance standards, making it an ideal choice for industrial, commercial, and residential applications.
Key Features
- High Discharge Capacity: With a nominal discharge current of 25kA, this arrester can handle significant surge currents, ensuring robust protection for connected equipment.
- Type 1 Classification: Compliant with Type 1 standards, it provides protection against direct lightning strikes, making it suitable for installation at the service entrance.
- 4-Pole Design: The 4-pole configuration ensures comprehensive protection for all phases and the neutral line in a three-phase system.
- Durable Construction: Built with high-quality materials, the arrester offers excellent thermal and mechanical stability, ensuring long-term reliability.
- Visual Status Indication: Equipped with an indicator to show the operational status, facilitating easy maintenance and inspection.
Keyword: 25ka surge arrester 25gr 4p type 1
Technical Specifications
| Parameter | Value |
|---|---|
| Nominal Discharge Current (In) | 25kA |
| Maximum Discharge Current (Imax) | 50kA |
| Voltage Rating | 25GR |
| Number of Poles | 4P |
| Protection Level (Up) | ≤ 2.5kV |
| Operating Temperature Range | -40°C to +80°C |
| Standards Compliance | IEC 61643-11, UL 1449 |
Applications
The 25ka Surge Arrester 25GR 4P Type 1 is widely used in:
- Industrial power distribution systems
- Commercial buildings and data centers
- Residential electrical panels
- Telecommunication infrastructure
- Renewable energy systems (solar/wind)
Installation and Maintenance
For optimal performance, the arrester should be installed by a qualified electrician in accordance with local electrical codes and manufacturer guidelines. Regular inspection of the visual status indicator is recommended to ensure the device remains functional. Replacement is advised if the indicator shows a fault or after a significant surge event.
Conclusion
The 25ka Surge Arrester 25GR 4P Type 1 is a reliable and high-capacity surge protection solution designed to mitigate