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25ka Surge Arrester 25GR 4P Type 1 Specifications and Features

Introduction

The 25ka Surge Arrester 25GR 4P Type 1 is a high-performance surge protection device designed to safeguard electrical systems from transient overvoltages. This arrester is engineered to meet the demands of industrial and commercial applications, providing reliable protection against lightning strikes and power surges.

Key Specifications

Below are the primary specifications of the 25ka Surge Arrester 25GR 4P Type 1:

• Maximum Discharge Current (Imax): 25kA
• Nominal Discharge Current (In): 10kA
• Voltage Protection Level (Up): 1.5kV
• Rated Voltage (Uc): 320V
• Number of Poles: 4P (4-pole)
• Type: Type 1 (for direct lightning strikes)
• Operating Temperature Range: -40°C to +80°C
• Housing Material: Flame-retardant thermoplastic

Features

The 25ka Surge Arrester 25GR 4P Type 1 offers several advanced features to ensure optimal performance and durability:

• High Surge Capacity: Capable of handling up to 25kA of surge current, making it suitable for high-risk environments.
• Type 1 Protection: Designed to protect against direct lightning strikes, ensuring robust defense for critical infrastructure.
• Compact Design: The 4-pole configuration allows for easy installation in limited spaces.
• Thermal Disconnect: Integrated thermal protection disconnects the arrester in case of overheating, preventing damage to the system.
• Visual Status Indicator: Features an LED or mechanical indicator to show the operational status of the arrester.
• Compliance: Meets international standards such as IEC 61643-11 and UL 1449.

Applications

The 25ka Surge Arrester 25GR 4P Type 1 is ideal for a wide range of applications, including:

• Industrial power distribution systems
• Commercial buildings and data centers
• Telecommunication infrastructure
• Renewable energy systems (solar/wind)
• HVAC and motor control systems

Installation and Maintenance

For optimal performance, follow these installation and maintenance guidelines:

• Install the arrester as close as possible to the main distribution panel.
• Ensure proper grounding to maximize surge dissipation.
• Regularly inspect the visual status indicator to confirm the device is operational.
• Replace the arrester if it has been subjected to a major surge event or shows signs of damage.

Conclusion

The 25ka