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Lightning Arrester 25GR 4P Type 1 for Overhead Power Lines
Lightning strikes pose a significant threat to overhead power lines, potentially causing severe damage to electrical infrastructure. To mitigate this risk, the 25GR 4P Type 1 lightning arrester provides reliable protection against high-energy surges caused by direct lightning strikes.
Key Features of the 25GR 4P Type 1 Lightning Arrester
The 25GR arrester is designed for robust performance in harsh outdoor environments. Its key features include:
- High discharge capacity for Type 1 protection
- 4P (four pole) configuration for comprehensive phase-to-ground protection
- 25kA nominal discharge current rating
- Weather-resistant housing for long-term durability
- Compact design for easy installation on power line structures
Technical Specifications
| Parameter | Value |
|---|---|
| Rated Voltage | Up to 25kV |
| Nominal Discharge Current | 25kA |
| Protection Level | Type 1 (heavy duty) |
| Poles | 4P (three phases + neutral) |
| Operating Temperature | -40°C to +85°C |
Installation and Maintenance
The 25GR 4P Type 1 arrester is designed for straightforward installation on overhead power line supports. Proper grounding is essential for optimal performance. Regular visual inspections should be conducted to check for:
- Physical damage to the housing
- Corrosion on terminals
- Proper connection integrity
Keyword: 25gr arrester 25gr 4p type 1
Periodic testing of the arrester’s performance characteristics is recommended to ensure continued protection effectiveness.
Applications
This lightning protection device is particularly suitable for:
- Medium voltage overhead power lines
- Substation incoming lines
- Industrial power distribution systems
- Rural electrification projects
The 25GR arrester 25GR 4P Type 1 provides essential protection against lightning-induced surges, helping to maintain power system reliability and reduce equipment damage in exposed overhead line installations.