# 25ka Surge Arrester 25GR 4P Type 1 Technical Specifications and Features
## Introduction to the 25ka Surge Arrester 25GR 4P Type 1
The 25ka Surge Arrester 25GR 4P Type 1 is a high-performance protective device designed to safeguard electrical systems from transient overvoltages caused by lightning strikes or switching surges. This arrester is specifically engineered to handle high-energy surges, making it an ideal choice for industrial and commercial applications.
## Key Technical Specifications
Electrical Characteristics
This surge arrester boasts an impressive 25kA discharge capacity, ensuring reliable protection against powerful surges. The 25GR 4P designation indicates its specific model configuration, while the Type 1 classification confirms its suitability for direct lightning strike protection.
Physical Attributes
The device features a robust construction with four-pole (4P) configuration, providing comprehensive protection for three-phase electrical systems with neutral. Its compact design allows for easy installation in various electrical panels and distribution boards.
## Main Features and Benefits
Superior Protection
With its high discharge capacity, the 25ka Surge Arrester effectively diverts dangerous surge currents away from sensitive equipment, preventing damage and downtime.
Durability and Reliability
The arrester is built to withstand harsh environmental conditions and maintain its protective capabilities over an extended service life.
Compliance and Safety
This Type 1 surge arrester meets international safety standards, ensuring compliance with electrical protection requirements in various regions.
## Installation Considerations
Mounting Requirements
The 25GR 4P Type 1 arrester should be installed at the service entrance of the electrical system, typically between the incoming power lines and the main distribution panel.
Connection Guidelines
Proper connection to all phases and the neutral conductor is essential for optimal protection. Always follow manufacturer instructions and local electrical codes during installation.
## Maintenance and Monitoring
Visual Inspection
Regular visual checks should be performed to ensure the arrester shows no signs of physical damage or deterioration.
Status Indicators
Some models may include visual indicators to show when the device requires replacement due to accumulated surge events.
## Applications
The 25ka Surge Arrester 25GR 4P Type 1 is particularly suitable for:
## Conclusion
The 25ka Surge Arrester 25GR 4P Type 1 represents a robust solution for protecting electrical systems against high-energy surges. Its combination of technical specifications and protective features makes it a reliable choice for professionals seeking effective surge protection in demanding environments.
Keyword: 25ka surge arrester 25gr 4p type 1