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Home > SPD Lightning Arrester > China 3P 1000VDC T2 40kA Surge Protective Device 20kA SPD for High Voltage DC System Lightning Protection Suppliers, Factory
China 3P 1000VDC T2 40kA Surge Protective Device 20kA SPD for High Voltage DC System Lightning Protection Suppliers, Factory
China 3P 1000VDC T2 40kA Surge Protective Device 20kA SPD for High Voltage DC System Lightning Protection Suppliers, Factory
China 3P 1000VDC T2 40kA Surge Protective Device 20kA SPD for High Voltage DC System Lightning Protection Suppliers, Factory
China 3P 1000VDC T2 40kA Surge Protective Device 20kA SPD for High Voltage DC System Lightning Protection Suppliers, Factory
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China 3P 1000VDC T2 40kA Surge Protective Device 20kA SPD for High Voltage DC System Lightning Protection Suppliers, Factory
China 3P 1000VDC T2 40kA Surge Protective Device 20kA SPD for High Voltage DC System Lightning Protection Suppliers, Factory
China 3P 1000VDC T2 40kA Surge Protective Device 20kA SPD for High Voltage DC System Lightning Protection Suppliers, Factory
China 3P 1000VDC T2 40kA Surge Protective Device 20kA SPD for High Voltage DC System Lightning Protection Suppliers, Factory

China 3P 1000VDC T2 40kA Surge Protective Device 20kA SPD for High Voltage DC System Lightning Protection Suppliers, Factory

Our 3P 1000VDC T2 Surge Protective Device represents cuttingedge technology in surge protection for high voltage direct current systems. This advanced threepole SPD is specifically engineered to provide comprehensive protection against lightning strikes and transient overvoltages in demanding 1000VDC applications. The device features a durable plastic housing that ensures excellent electrical insulation and mechanical robustness. With a maximum discharge capacity of 40kA and nominal discharge current of 20kA, this protector delivers superior performance for critical highvoltage equipment, ensuring system reliability and operational continuity in the most challenging electrical environments.

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Product Description

Key Features and Advantages

✔ High Voltage DC Protection: Specifically designed for 1000VDC systems, providing complete three-phase protection for critical infrastructure.
✔ Exceptional Surge Handling: Maximum discharge capacity of 40kA (8/20μs) offers robust defense against severe lightning strikes and power surges.
✔ Advanced Multistage Protection: Incorporates premium metal oxide varistors with ultrafast response time (<25ns) for optimal voltage clamping performance.
✔ Enhanced Safety Mechanisms: Integrated thermal disconnect protection and failsafe operation system prevent catastrophic failures.
✔ Comprehensive Monitoring: Visual LED indicators with remote signaling capability for real-time status monitoring.
✔ Easy Installation: DIN rail mounting with screw terminal connections simplifies the integration process.
✔ Robust Construction: High-grade plastic housing provides excellent durability and electrical insulation.
✔ Standards Compliance: Meets international safety standards including IEC 61643-11 and EN 61643-11.

Application Scenarios

Industrial High-Voltage Systems

Protects PLCs, motor drives, and control equipment in manufacturing facilities.

Utility-Scale Solar Plants

Safeguards solar inverters and monitoring systems in large photovoltaic installations.

EV Charging Infrastructure

Provides protection for DC fast-charging stations and power distribution networks.

Railway Electrification

Ensures reliability of traction power systems and signaling equipment.

Energy Storage Systems (ESS)

Protects battery management systems and power conversion units.

Telecommunications

Safeguards DC power systems in data centers and communication infrastructure.

Technical Specifications

Maximum Discharge Current (Imax) 40kA (8/20μs)
Nominal Discharge Current (In) 20kA (8/20μs)
Protection Level (Up) ≤ 4.0 kV
Rated Voltage 1000VDC
Protection Class Type 2 (T2)
Number of Poles 3P (Positive, Negative, Ground)
Response Time < 25 nanoseconds
Operating Temperature -45°C to +85°C
Protection Mode L+/L-/PE
Mounting Type 35mm DIN Rail
Protection Degree IP20
Standards IEC 61643-11, EN 61643-11
This surge protective device combines advanced technology with robust engineering, delivering comprehensive protection for high voltage DC systems against lightning-induced surges and transient overvoltages. Its three-pole configuration, exceptional performance characteristics, and reliable operation make it an ideal choice for critical applications where system integrity and equipment protection are of utmost importance.

Frequently Asked Questions

What is the main application for this 1000VDC SPD?
It is primarily designed for high-voltage DC systems such as utility-scale solar PV plants, electric vehicle charging stations, and industrial DC power networks.
What does the 40kA discharge capacity mean?
The 40kA (8/20μs) rating indicates the maximum surge current the device can safely divert to the ground during a single surge event, such as a lightning strike.
Is the device easy to monitor?
Yes, it features visual LED indicators for local status checks and supports remote signaling for real-time monitoring via control systems.
What happens if the device overheats?
The SPD includes an integrated thermal disconnect mechanism that safely disconnects the device from the circuit in case of extreme thermal overload, preventing fire hazards.
How is the SPD installed in a cabinet?
It is designed for standard 35mm DIN rail mounting, making it compatible with most industrial electrical enclosures and distribution boards.
Does this product meet international safety requirements?
Yes, it fully complies with IEC 61643-11 and EN 61643-11 standards, ensuring high reliability and safety in demanding environments.

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