China 3P 1000VDC T2 40kA Surge Protective Device 20kA SPD for Ultra-High Voltage DC Systems Manufacturer, Factory

This advanced three-pole SPD is specifically engineered to provide comprehensive protection against lightning strikes and transient overvoltages in demanding 1000VDC applications. The device features a high-quality plastic housing that ensures excellent electrical insulation and mechanical durability. With a maximum discharge capacity of 40kA and nominal discharge current of 20kA, this protector delivers superior performance for critical high-voltage equipment, ensuring system reliability and operational continuity in the most challenging electrical environments. Its robust construction and advanced protection technology make it an ideal solution for industrial applications requiring reliable surge protection.

Product Description

Key Features and Advantages

Ultra-High Voltage 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 Protection Technology: Incorporates premium metal oxide varistors with ultra-fast response time (<25ns) for optimal voltage clamping performance.
Enhanced Safety Mechanisms: Integrated thermal disconnect protection and fail-safe 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 installation process.
Robust Construction: High-quality plastic housing provides excellent durability and electrical insulation.
International Standards Compliance: Meets IEC 61643-11 and EN 61643-11 safety requirements.

Application Scenarios

Industrial High-Voltage Systems
Utility-Scale Solar Plants
Electric Vehicle Charging Infrastructure
Railway Electrification Systems
Energy Storage Systems
Telecommunications Infrastructure
Industrial Manufacturing

Technical Specifications

Maximum Discharge Current
40kA (8/20μs)
Nominal Discharge Current
20kA (8/20μs)
Type classification
T2 (IEC 61643-11)
Rated voltage
1000V DC
Number of poles
3P (positive, negative, ground)
Housing material
High-grade plastic (UL94 V0 rated)
Protection level
Up ≤ 4.0 kV
Response time
< 25 nanoseconds
Operating temperature
- 45°C to +85°C
Mounting method
35mm DIN rail compatible
Connection capacity
35 mm² maximum
Status indication
Multicolor LED indicator
This surge protective device combines advanced technology with robust engineering, delivering comprehensive protection for ultra-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. The device meets international standards and offers peace of mind through its superior protection capabilities and proven performance in demanding electrical environments.

Product Presentation

Frequently Asked Questions

What is the maximum surge capacity of this device?
The device features a maximum discharge current (Imax) of 40kA (8/20μs) and a nominal discharge current (In) of 20kA, providing robust defense against severe surges.
Is this SPD suitable for solar photovoltaic installations?
Yes, it is specifically designed for 1000V DC systems, making it ideal for utility-scale solar plants and safeguarding solar inverters.
How fast does the surge protector respond to a spike?
The device utilizes advanced metal oxide varistors that ensure an ultra-fast response time of less than 25 nanoseconds.
How do I know if the device is still functioning correctly?
The unit includes a multicolor visual LED indicator for real-time status monitoring, showing clearly if the protection is active or needs replacement.
What mounting method is required for installation?
This SPD is designed for easy installation using a standard 35mm DIN rail mounting system with secure screw terminal connections.
Can it operate in extreme temperature environments?
Yes, the device is built for reliability with a wide operating temperature range from -45°C to +85°C.

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