# 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 the damaging effects of lightning strikes and power surges. This robust arrester is engineered to meet the demanding requirements of industrial and commercial applications where reliable surge protection is critical.

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

This lightning protection device offers several important features:

• High discharge capacity for effective surge protection
• 4-pole configuration for comprehensive system coverage
• Type 1 classification according to international standards
• Durable construction for long-term reliability
• Visual status indicators for easy monitoring

## Technical Specifications

Performance Characteristics

The 25GR arrester delivers exceptional performance with:

Parameter	Value
Nominal Discharge Current (In)	25 kA
Maximum Discharge Current (Imax)	50 kA
Voltage Protection Level (Up)	2.5 kV
Response Time	<100 ns

## Installation and Applications

Proper Installation Guidelines

For optimal performance, the 25GR 4P Type 1 arrester should be installed:

• At the main service entrance of the building
• In accordance with local electrical codes and regulations
• By qualified electrical professionals
• With proper grounding connections

Typical Applications

This surge protection device is ideal for:

• Industrial facilities
• Commercial buildings
• Telecommunication installations
• Power distribution systems
• Critical infrastructure protection

## Maintenance and Safety Considerations

Regular maintenance of your lightning arrester is essential for continued protection:

• Inspect visual indicators periodically
• Check for physical damage or corrosion
• Test functionality according to manufacturer recommendations
• Replace the unit if status indicators show end-of-life condition

Safety Precautions

Always observe these safety measures when working with surge protection devices:

• De-energize the circuit before installation or maintenance
• Use appropriate personal protective equipment
• Follow all manufacturer safety instructions
• Ensure proper grounding of the arrester

## Conclusion

The Lightning Arrester 25GR 4P Type 1 provides reliable, high-performance protection against lightning-induced surges and transient overvoltages. Its robust design and superior technical specifications make it an excellent choice for critical applications where electrical system protection is paramount. By properly installing and maintaining this arrester, you can significantly reduce the risk of equipment damage and downtime