+86 13868429846
0102030405
3P 150VDC T2 40kA Surge Protective Device 20kA SPD for Medium Voltage DC System Protection
Key Features and Advantages
• Medium Voltage DC Protection: Specifically designed for 150VDC applications, providing complete 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 (- 45°C to +85°C)
• Standards Compliance: Meets international safety standards including IEC 6164311 and EN 6164311
Application Scenarios
Industrial Automation Systems: Protects PLCs, motor drives, and control equipment in manufacturing facilities
Solar Power Applications: Safeguards solar inverters and monitoring systems 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 Management Systems: Protects security systems, access control devices, and automation equipment
Marine and Offshore Applications: Suitable for marine electronics and navigation systems
Energy Storage Systems: Provides protection for battery management systems and DC power distribution
Technical Specifications
Maximum Discharge Current: 40kA (8/20μs)
Nominal Discharge Current: 20kA (8/20μs)
Type classification: T2 according to IEC 6164311
Rated voltage: 150V DC
Number of poles: 3P (positive, negative, ground)
Housing material: Highgrade plastic (UL94 V0 rated)
Protection level: Up ≤ 4.0 kV
Response time: < 25 nanoseconds
Operating temperature range: - 45°C to +85°C
Mounting method: 35mm DIN rail compatible
Status indication: Visual LED indicator
Connection capacity: 25 mm² maximum
This surge protective device combines advanced technology with reliable performance, providing comprehensive protection for medium 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.
This surge protective device combines advanced technology with reliable performance, providing comprehensive protection for medium 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.

















