# 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 transient overvoltages. This robust arrester is specifically engineered for Type 1 applications, providing primary protection at the service entrance of buildings and facilities.

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

The 25gr 4P Type 1 lightning arrester offers several important features that make it an ideal choice for overvoltage protection:

• High discharge capacity (25kA)
• 4-pole design for comprehensive protection
• Type 1 classification according to IEC 61643-11
• Compact and durable construction
• Visual status indication for easy maintenance
• Thermal disconnection for enhanced safety

## Applications of the 25gr Arrester

Commercial and Industrial Use

The 25gr 4P Type 1 arrester is particularly suitable for commercial and industrial applications where reliable overvoltage protection is critical. It’s commonly installed in:

• Main distribution boards
• Service entrance panels
• Industrial control systems
• Telecommunication facilities
• Power generation plants

Residential Applications

While primarily designed for commercial use, this arrester can also be employed in large residential complexes or buildings located in areas with high lightning activity.

## Technical Specifications

Parameter	Value
Nominal Discharge Current (In)	25kA (8/20μs)
Maximum Discharge Current (Imax)	50kA (8/20μs)
Voltage Protection Level (Up)	≤ 2.5kV
Response Time	< 25ns
Operating Temperature Range	-40°C to +80°C

## Installation and Maintenance

Installation Guidelines

For optimal performance, the 25gr 4P Type 1 arrester should be installed by qualified personnel following these guidelines:

1. Mount at the service entrance point
2. Ensure proper grounding connections
3. Maintain appropriate clearance distances
4. Follow local electrical codes and regulations

Maintenance Requirements

Regular inspection of the arrester is recommended to ensure continued protection:

• Check visual status indicators periodically
• Inspect for physical damage or discoloration
• Verify proper connection tightness
• Replace if end-of-life indicator is activated

## Benefits of Choosing the 25gr 4P Type 1 Arrester

The Lightning Arrester 25gr 4P Type 1 offers numerous advantages for overvoltage protection:

• Enhanced Equipment Protection: Prevents damage to sensitive electronic equipment
• Reduced Downtime: Minimizes system failures caused by lightning strikes
• <strong

  Keyword: 25gr arrester 25gr 4p type 1