# 25kA Surge Arrester 25GR 4P Type 1: Ultimate Protection Against Power Surges

## Understanding the Importance of Surge Protection

In today’s world where electrical equipment is more sensitive than ever, protecting your valuable assets from power surges is crucial. The 25kA Surge Arrester 25GR 4P Type 1 stands as a robust solution for safeguarding electrical installations against transient overvoltages.

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

This high-performance surge protection device offers several important features:

– 25kA discharge capacity for superior protection
– Type 1 classification for direct lightning strike protection
– 4-pole design for comprehensive phase and neutral protection
– Compact 25GR form factor for easy installation
– Robust construction for long-term reliability

## Technical Specifications

The 25GR 4P Type 1 surge arrester delivers exceptional performance with these technical parameters:

Parameter | Value
Nominal Discharge Current (In) | 25kA

Maximum Discharge Current (Imax) | 50kA
Voltage Protection Level (Up) | < 2.5kV
Response Time | < 100ns
Operating Temperature Range | -40°C to +80°C

## Installation and Application

The 25kA Surge Arrester 25GR 4P Type 1 is designed for installation at the service entrance of buildings or facilities. Its primary applications include:

– Industrial plants
– Commercial buildings
– Data centers
– Telecommunication facilities
– Medical institutions

## Why Choose This Surge Protection Device?

When selecting surge protection for critical infrastructure, the 25GR 4P Type 1 offers distinct advantages:

– Meets international standards for Type 1 SPDs
– Provides coordinated protection when used with downstream Type 2 devices
– Features visual status indication for easy maintenance
– Offers thermal disconnection for enhanced safety
– Designed for reliable operation in harsh environments

## Maintenance and Monitoring

To ensure optimal performance, regular inspection of the surge arrester is recommended. The device includes:

– Visual status indicators
– Remote signaling contacts (optional)
– Easy replacement without rewiring

For maximum protection of your electrical systems against lightning strikes and power surges, the 25kA Surge Arrester 25GR 4P Type 1 represents a reliable, high-performance solution that meets the most demanding protection requirements.