Lightning Arrester 25GR 4P Type 1 for Overvoltage Protection

# Lightning Arrester 25GR 4P Type 1 for Overvoltage 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 the damaging effects of lightning strikes and overvoltage conditions. This robust arrester is specifically engineered to handle direct lightning strikes, making it an essential component for comprehensive overvoltage protection in various applications.

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

The 25GR 4P Type 1 lightning arrester offers several important features that make it stand out in surge protection:

• Designed for Type 1 protection (direct lightning strikes)
• 25kA discharge capacity per pole
• 4-pole configuration for comprehensive protection
• Compact and durable design
• Visual status indication for easy monitoring
• Thermal disconnection for enhanced safety

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

Commercial and Industrial Use

This arrester is particularly suitable for commercial and industrial facilities where reliable overvoltage protection is critical. It protects main distribution panels and incoming power lines from lightning-induced surges.

Residential Complexes

Large residential buildings and apartment complexes benefit from the 25GR 4P Type 1 arrester’s ability to protect entire electrical systems from lightning strikes.

Telecommunication Systems

The device provides excellent protection for telecommunication infrastructure, preventing costly downtime and equipment damage.

## Installation and Maintenance Considerations

Proper installation of the 25GR 4P Type 1 lightning arrester is crucial for optimal performance. It should be installed at the service entrance point, before any other electrical equipment. Regular inspection and testing are recommended to ensure continued protection.

The arrester features a visual indicator that shows when the device needs replacement, simplifying maintenance procedures. Always consult local electrical codes and regulations when installing this or any other surge protection device.

## Technical Specifications

Parameter	Value
Nominal Discharge Current (In)	25kA (8/20μs)
Maximum Discharge Current (Imax)	50kA (8/20μs)
Voltage Protection Level (Up)	≤ 2.5kV
Operating Voltage	230/400V AC
Response Time	< 25ns

## Conclusion

The Lightning Arrester 25GR 4P Type 1 represents a reliable solution for protecting electrical systems against the destructive power of lightning strikes and transient overvoltages. Its robust design, high discharge capacity, and comprehensive protection features make it an excellent choice for various applications where electrical system reliability is paramount.

When selecting surge protection devices, the 25GR 4P Type 1 arrester should be considered as part of a complete lightning protection system, working in conjunction with other protective measures to ensure maximum safety for both equipment and personnel.