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3P 24VDC T2 40kA Surge Protective Device 20kA SPD for Low Voltage DC System Protection
Key Features and Advantages
• Complete DC System Protection: Specifically designed for 24VDC applications, providing full threepole protection for sensitive equipment
• High Surge Capacity: Maximum discharge current of 40kA (8/20μs) ensures robust defense against lightning strikes and electrical transients
• Advanced Protection Technology: Utilizes premium metal oxide varistors with ultrafast response time (<25ns) for optimal voltage clamping performance
• Enhanced Safety Features: Integrated thermal disconnect protection and failsafe operation mechanism prevent system damage
• Visual Status Monitoring: Clear LED indicators provide realtime operational status and endoflife indication
• Easy Installation: DIN rail mounting with screw terminal connections simplifies installation and maintenance
• Reliable Performance: Maintains stable operation across wide temperature ranges and harsh environmental conditions
• Standards Compliance: Meets international safety standards including IEC 6164311 and EN 6164311
Application Scenarios
Industrial Automation Systems: Protects PLCs, sensors, and control equipment in manufacturing facilities
Renewable Energy Applications: Safeguards solar power systems and monitoring equipment in photovoltaic installations
Telecommunications Infrastructure: Provides protection for communication equipment and network devices
Transportation Systems: Ensures reliability of signaling and control equipment in railway applications
Building Automation: Protects security systems, access control devices, and building management systems
Medical Equipment: Provides surge protection for sensitive medical devices operating on DC power
Marine and Offshore Applications: Suitable for marine electronics and navigation systems
Technical Specifications
Maximum Discharge Current: 40kA (8/20μs)
Nominal Discharge Current: 20kA (8/20μs)
Type: T2 according to IEC 6164311 standards
Rated voltage: 24V DC
Number of poles: 3P (positive, negative, ground)
Protection level: Up ≤ 4.0kV
Response time: < 25 nanoseconds
Operating temperature range: - 45°C to +85°C
Connection method: 35mm DINrail mountable
Status indication: Visual LED indicator with remote signaling capability
Housing material: Thermally resistant plastic (UL94 V0 rated)
This surge protective device combines advanced technology with reliable performance, providing comprehensive protection for low voltage DC systems against lightning strikes and transient overvoltages. Its threepole configuration, excellent protective characteristics, and robust construction make it an ideal choice for ensuring the safety and longevity of sensitive electronic equipment in various industrial and commercial applications. The device meets international standards and offers peace of mind through its proven performance in demanding electrical environments.
