Wholesale 3P 800VDC T2 40kA Surge Protective Device 20kA SPD for HighVoltage DC Lightning Protection Systems Supplier, Manufacturer

Our 3P 800VDC T2 Surge Protective Device represents cuttingedge technology in lightning and surge protection for highvoltage direct current systems. This advanced SPD is specifically engineered to safeguard critical equipment against transient overvoltages caused by lightning strikes and switching surges in 800VDC applications. The device features a robust plastic housing in professional gray color, providing excellent electrical insulation and mechanical protection. With a maximum discharge capacity of 40kA and nominal discharge current of 20kA, this threepole protector ensures reliable performance in the most demanding electrical environments.

Product Description

Key Features and Advantages
High Voltage DC Protection: Specifically designed for 800VDC systems, offering superior surge protection for high-voltage 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 end-of-life condition.
Remote Communication: Dry contact terminals enable integration with monitoring systems for remote status reporting.
Rapid Response Time: Nanosecond-level reaction speed (<25ns) ensures immediate voltage clamping.
Application Scenarios
⚡ Large-Scale Solar Farms
🏭 Industrial High-Voltage Equipment
🚗 EV Charging Infrastructure
🚆 Railway Electrification Systems
🔋 Energy Storage Systems (ESS)
📡 Telecommunications Power
Technical Specifications
Maximum Discharge Current40kA (8/20μs)
Nominal Discharge Current20kA (8/20μs)
Protection Level (Up)≤4.0kV
Rated Voltage800VDC
Protection LevelT2 (Class II)
Number of Poles3P
Housing MaterialEngineering Plastic (UL94 V0)
Response Time<25 nanoseconds
Operating Temperature-45°C to +85°C
Connection Type35mm DIN rail mount
Protection DegreeIP20
Standards ComplianceIEC 61643-11, EN 61643-11
This surge protective device combines state-of-the-art technology with robust engineering, providing comprehensive lightning and surge protection for high-voltage 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.
Detailed Product Gallery
Frequently Asked Questions
What is the maximum discharge capacity of this SPD?
The device features a maximum discharge current (Imax) of 40kA (8/20μs), providing robust protection against lightning strikes.
Can this device be used in 800V DC solar systems?
Yes, it is specifically rated for 800VDC systems, making it ideal for utility-scale photovoltaic installations and solar inverters.
How fast does the surge protector respond to a spike?
It has a nanosecond-level response time of less than 25ns, ensuring immediate voltage clamping to protect sensitive electronics.
Does it support remote monitoring?
Yes, the unit is equipped with dry contact terminals that allow integration with remote monitoring systems for real-time status reporting.
What kind of housing material is used for safety?
The housing is made of high-quality engineering plastic with a UL94 V0 flame-retardant rating to ensure maximum operational safety.
Is the installation process complicated?
Not at all. The device is designed for easy 35mm DIN rail mounting with standard screw terminals for secure connection.

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