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1P 275V T2 Lightning Arrester 20KA to 40KA Surge Protective Device Lightning Surge Protector SPD Category
Technical Specifications
Rated Voltage: 275V AC, 50/60Hz
Number of Poles: 1P (Single Pole)
Surge Current Rating: 20KA to 40KA (8/20μs wave)
Maximum Continuous Operating Voltage: 275V
Voltage Protection Level: ≤1.8kV
Response Time: <25 nanoseconds
Connection Mode: Parallel connection
Operating Temperature Range: -40°C to +85°C
Standards Compliance: IEC 61643-11, UL 1449 4th Edition
Application Scenarios
This surge protective device is specifically engineered for:
Residential electrical distribution panels
Commercial building power systems
HVAC and refrigeration systems
Telecommunication infrastructure
Industrial control panels
Lighting circuits and power outlets
Design Features
Advanced Varistor Technology: Provides excellent surge absorption capabilities
Thermal Protection: Integrated thermal disconnect mechanism prevents thermal runaway
Visual Status Indication: Clear LED indicators show operational status and end-of-life condition
Compact Design: Space-saving construction facilitates easy installation in various enclosures
Robust Housing: Self-extinguishing materials ensure fire safety and durability
Performance Advantages
High Surge Current Capacity: Handles multiple surge events without performance degradation
Rapid Response Time: Nanosecond-level reaction to transient overvoltages
Maintenance-Free Operation: No moving parts ensure long-term reliability
Easy Installation: Standard mounting design compatible with most electrical panels
Installation Considerations
The SPD should be installed in parallel with the main electrical distribution system, preferably at the service entrance location. Proper grounding is essential for optimal performance, with a minimum ground conductor size of 6mm² recommended. Regular inspection of the status indicator is advised to ensure continuous protection capability.
Compliance and Certification
This surge protective device meets international safety and performance standards, including CE certification and RoHS compliance. The product undergoes rigorous testing to ensure reliability under various environmental conditions and surge scenarios.
Warranty and Support
The product comes with a standard 5-year manufacturer's warranty, supported by comprehensive technical documentation and customer support services.
