# Lightning Arrester 25GR 4P Type 1 for Surge Protection
## Introduction to Lightning Arrester 25GR 4P Type 1
The Lightning Arrester 25GR 4P Type 1 is a high-performance surge protection device designed to safeguard electrical systems from lightning strikes and transient overvoltages. This arrester is specifically engineered to meet the demands of industrial and commercial applications where reliable surge protection is critical.
## Key Features of the 25GR 4P Type 1 Arrester
The 25GR 4P Type 1 lightning arrester offers several important features:
- Robust construction for outdoor installation
- 4-pole design for comprehensive protection
- High discharge capacity (25kA)
- Type 1 classification according to IEC standards
- Thermal disconnector for enhanced safety
- Visual status indication
## Applications of the 25GR Arrester
Industrial Facilities
The 25GR 4P Type 1 is ideal for protecting industrial equipment from lightning-induced surges that could cause costly downtime and equipment damage.
Commercial Buildings
Office buildings, shopping centers, and other commercial structures benefit from the reliable protection offered by this arrester against electrical surges.
Telecommunication Systems
Telecom infrastructure requires robust surge protection to maintain uninterrupted service, making the 25GR arrester an excellent choice.
## Installation Considerations
When installing the Lightning Arrester 25GR 4P Type 1, consider the following:
- Follow all local electrical codes and regulations
- Install at the service entrance for maximum protection
- Ensure proper grounding connections
- Consider environmental factors (temperature, humidity)
- Regularly inspect and maintain the arrester
## Technical Specifications
| Parameter | Value |
|---|---|
| Rated Voltage | 230/400V AC |
| Nominal Discharge Current (In) | 25kA (8/20μs) |
| Maximum Discharge Current (Imax) | 50kA (8/20μs) |
| Protection Level (Up) | ≤ 2.5kV |
| Operating Temperature | -40°C to +80°C |
## Maintenance and Testing
Regular maintenance of your 25GR 4P Type 1 lightning arrester is essential for optimal performance:
- Inspect visual indicators quarterly
- Test functionality annually
- Replace if status indicator shows failure
- Keep connections clean and tight
- Document all maintenance activities
## Conclusion
The Lightning Arrester 25GR 4P Type 1 provides reliable, high-performance surge protection for critical electrical systems. Its robust design and superior discharge capacity make it an excellent choice for protecting valuable equipment from lightning strikes and power surges. By properly installing and maintaining this arrester, you can significantly reduce the risk of electrical damage and ensure continuous operation of your systems.
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