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3P 800VDC T2 40kA Surge Protective Device 20kA SPD for HighVoltage DC Lightning Protection Systems
Key Features and Advantages
• HighVoltage DC Protection: Specifically designed for 800VDC systems, offering superior surge protection for highvoltage applications
• Exceptional Surge Handling: Maximum discharge capacity of 40kA (8/20μs) provides robust defense against direct and indirect lightning strikes
• Advanced Thermal Management: Integrated thermal disconnect technology with backup fuse protection ensures safe operation under extreme conditions
• Visual Monitoring System: Multicolor LED indicators provide clear status information for operational state and endoflife condition
• Remote Communication Capability: Dry contact terminals enable integration with monitoring systems for remote status reporting
• Enhanced Safety Design: Arcquenching technology and flameretardant housing (UL94 V0) ensure maximum operational safety
• Rapid Response Time: Nanosecondlevel reaction speed (<25ns) ensures immediate voltage clamping
Application Scenarios
LargeScale Solar Farms: Protects solar inverters, combiner boxes, and monitoring systems in utilityscale photovoltaic installations
Industrial HighVoltage Equipment: Safeguards motor drives, power supplies, and control systems in manufacturing facilities
Electric Vehicle Charging Infrastructure: Provides protection for ultrafast DC charging stations and power distribution systems
Railway Electrification Systems: Ensures reliability of traction power systems and signaling equipment
Energy Storage Systems: Protects battery banks and power conversion systems in largescale ESS applications
Telecommunications Power: Safeguards DC power systems in data centers and communication infrastructure
Technical Specifications
Maximum Discharge Current: 40kA (8/20μs)
Nominal Discharge Current: 20kA (8/20μs)
Protection Level (Up): ≤4.0kV
Rated Voltage: 800VDC
Protection Level: T2 (Class II)
Number of Poles: 3P
Housing Material: Engineering Plastic (UL94 V0)
Color: Professional Gray
Response Time: <25 nanoseconds
Operating Temperature Range:- 45°C to +85°C
Protection Mode: L+/L/PE
Connection Type: Screw terminal (35mm DIN rail mount)
Protection Degree: IP20
Standards Compliance: IEC 6164311, EN 6164311
This surge protective device combines stateoftheart technology with robust engineering, providing comprehensive lightning and surge protection for highvoltage DC systems. Its exceptional performance characteristics and safety features make it an ideal choice for critical applications where system reliability and equipment protection are paramount. The device meets international standards and offers peace of mind through its reliable operation and advanced protection capabilities.



















