# 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 for Type 1 applications, providing primary protection at the service entrance of buildings and structures.

With its robust construction and reliable performance, the 25GR 4P Type 1 arrester offers superior protection for three-phase electrical systems, making it an essential component in modern electrical installations.

## Key Features of the 25GR 4P Type 1 Arrester

The Lightning Arrester 25GR 4P Type 1 boasts several important features that make it stand out in surge protection:

– High discharge capacity for effective lightning current diversion
– Four-pole design for comprehensive three-phase system protection
– Type 1 classification according to IEC 61643-11 standards
– Compact design for easy installation in various environments
– Durable construction for long-term reliability
– Visual status indication for maintenance monitoring

## Technical Specifications

The technical specifications of the 25GR 4P Type 1 arrester include:

Parameter | Value
Maximum Continuous Operating Voltage (Uc) | 320V AC
Nominal Discharge Current (In) | 20kA (8/20μs)
Maximum Discharge Current (Imax) | 50kA (8/20μs)
Voltage Protection Level (Up) | ≤1.5kV
Response Time | <100ns
Operating Temperature Range | -40°C to +80°C

## Applications of the 25GR 4P Type 1 Arrester

This lightning arrester finds applications in various scenarios where robust surge protection is required:

– Main distribution boards in commercial buildings
– Industrial power distribution systems
– Service entrance panels
– Telecommunication facilities
– Data centers and server rooms
– Healthcare facilities with critical power requirements

## Installation and Maintenance Guidelines

Proper installation and maintenance are crucial for optimal performance of the 25GR 4P Type 1 arrester:

– Install as close as possible to the service entrance point
– Ensure proper grounding connections with low impedance
– Use appropriate cross-section cables for connections
– Regularly inspect the visual status indicator
– Replace the arrester after significant surge events
– Follow all local electrical codes and regulations

## Benefits of Using the 25GR 4P Type 1 Arrester

Implementing this lightning arrester in your electrical system offers numerous advantages:

– Comprehensive protection for three-phase systems
– Reduced risk of equipment damage from lightning strikes
– Lower maintenance costs due to reliable performance
– Compliance with international safety standards
– Peace of mind knowing your electrical system is protected
– Long service life with proper installation and maintenance

## Conclusion

The Lightning Arrester 25GR 4P Type 1 represents an essential component in modern electrical protection systems. Its robust design, high performance characteristics, and reliable surge protection capabilities make it an ideal choice for safeguarding critical electrical infrastructure against lightning-induced surges and transient overvoltages.

By implementing this arrester in your electrical system, you ensure not only the protection of your valuable equipment but also the continuity of your operations during severe weather conditions. Always consult with a qualified electrician or surge protection specialist to determine the most appropriate protection solution for your specific application.