+86 13868429846
0102030405
3P 500VDC T2 Surge Protective Device 40kA 20kA SPD for Lightning Protection in DC Systems
Key Features and Advantages
• Superior Lightning Protection: Maximum discharge capacity of 40kA (8/20μs) provides robust protection against direct and indirect lightning strikes
• High Voltage DC Compatibility: Specifically designed for 500VDC systems, making it ideal for solar farms, industrial applications, and highvoltage DC infrastructure
• Advanced Thermal Protection: Integrated thermal disconnect mechanism automatically disconnects the device during overload conditions, preventing fire hazards
• Visual Status Indication: Clear LED indicators show operational status and endoflife condition for easy maintenance monitoring
• Remote Signaling Capability: Auxiliary contacts enable remote monitoring and integration with building management systems
• Robust Construction: UL94 V0 rated plastic housing ensures excellent flame retardancy and mechanical protection
• Quick Response Time: Nanosecondlevel response ensures immediate clamping of transient overvoltages
Application Scenarios
Solar Power Plants: Protects solar inverters, combiner boxes, and monitoring systems in largescale photovoltaic installations
Industrial DC Systems: Safeguards motor drives, control systems, and automation equipment in manufacturing facilities
Electric Vehicle Charging Stations: Provides protection for DC fast charging equipment and power distribution systems
Telecommunications Infrastructure: Ensures reliability of base station power systems and communication equipment
Railway and Transportation: Protects signaling systems, traction power equipment, and control systems
Energy Storage Systems: Safeguards battery banks and power conversion systems in ESS applications
Technical Specifications
Maximum Discharge Current: 40kA (8/20μs)
Nominal Discharge Current: 20kA (8/20μs)
Protection Level (Up): ≤4.0kV
Rated Voltage: 500VDC
Type: T2 (Class II)
Number of Poles: 3P
Housing Material: Plastic (UL94 V0)
Color: Gray
Response Time: <25ns
Protection Mode: L+/L/PE
Operating Temperature:- 45°C to +85°C
Protection Level: IP20
Connection Type: Screw terminal
Standards Compliance: IEC 6164311, EN 6164311
Dimensions: 90x72x65mm
Weight: 450g
This surge protective device offers comprehensive lightning protection for highvoltage DC systems, combining advanced technology with reliable performance. Its robust design and excellent technical characteristics make it an ideal choice for ensuring system reliability and equipment protection in various demanding applications.
