Wholesale 1P 275V T2 Lightning Arrester 20KA to 40KA Surge Protective Device Lightning Surge Protector SPD Category Factories, Factory

The 1P 275V T2 Surge Protective Device (SPD) represents advanced protection technology designed to safeguard electrical installations against transient overvoltages and lightning-induced surges. Operating at 275V with 50/60Hz frequency compatibility, this single-pole device provides critical protection for residential and commercial electrical systems. With a surge current handling capacity ranging from 20KA to 40KA, this SPD effectively mitigates the damaging effects of electrical surges, ensuring equipment safety and system reliability.

Product Description

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
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 & Compliance

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.

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.

Detailed Product Visuals
Frequently Asked Questions
What is the response time of this surge protective device?
The device features a rapid nanosecond-level response time of less than 25 nanoseconds, ensuring immediate protection against transient overvoltages.
Which standards does this SPD comply with?
This lightning arrester is fully compliant with international safety standards, specifically IEC 61643-11 and UL 1449 4th Edition.
How can I monitor the operational status of the unit?
The unit is equipped with clear visual LED indicators. These show the current operational status and will signal when the device has reached its end-of-life condition.
What is the recommended grounding for installation?
For optimal performance and safety, proper grounding is essential. We recommend using a minimum ground conductor size of 6mm².
What kind of environments is this device suitable for?
It is versatile and specifically engineered for residential distribution panels, commercial buildings, HVAC systems, telecommunication infrastructure, and industrial control panels.

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