Wholesale 3P 500VDC T2 40kA Surge Protective Device 20kA SPD for Medium Voltage DC System Protection Supplier, Suppliers

Our 3P 500VDC T2 Surge Protective Device represents advanced protection technology designed to safeguard medium voltage DC systems against lightning strikes and transient overvoltages. This threepole SPD features a durable plastic housing that provides excellent electrical insulation and mechanical protection while ensuring reliable performance in various environmental conditions. With a maximum discharge capacity of 40kA and nominal discharge current of 20kA, this device offers comprehensive surge protection for sensitive electronic equipment operating in 500VDC applications. The sophisticated design incorporates stateoftheart protection technology to prevent damage from electrical surges, ensuring operational continuity and equipment longevity in medium voltage DC environments.

Product Description

Key Features and Advantages

Medium Voltage DC Protection: Specifically engineered for 500VDC applications, providing complete three-pole protection for critical equipment.
High Surge Capacity: Maximum discharge current of 40kA (8/20μs) ensures robust defense against direct and indirect lightning strikes.
Advanced Protection Technology: Utilizes 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.
Visual Status Monitoring: Clear LED indicators provide real-time operational status and end-of-life indication.
Easy Installation: DIN rail mounting with screw terminal connections simplifies the installation process.
Wide Temperature Operation: Maintains stable performance across a -45°C to +85°C temperature range.
International Standards Compliance: Meets IEC 61643-11 and EN 61643-11 safety standards.

Application Scenarios

Industrial Automation: Protects PLCs, motor drives, and control equipment.
Solar Power: Safeguards solar inverters and monitoring systems.
Telecommunications: Protection for communication equipment and data centers.
Transportation: Reliability for signaling and control in railway applications.
Building Management: Protects security systems and access control devices.
Energy Storage: Protection for BMS and DC power distribution networks.

Technical Specifications

Max Discharge Current:40kA (8/20μs)
Nominal Discharge Current:20kA (8/20μs)
Protection level:Up ≤ 4.0 kV
Rated Voltage:500VDC
Protection Level:T2 (Class II)
Number of Poles:3P
Housing Material:Flame-Retardant Plastic (UL94 V0)
Response Time:<25 nanoseconds
Operating Temperature:-45°C to +85°C
Mounting:DIN Rail (35mm)
This surge protective device combines cutting-edge technology with reliable performance, delivering comprehensive protection for medium voltage DC systems against lightning-induced surges and transient overvoltages. Its three-pole configuration and robust construction make it an ideal solution for various industrial and commercial applications.

Product Gallery

Frequently Asked Questions

What is the rated voltage for this surge protective device?
The device is specifically designed for 500VDC applications, making it ideal for medium voltage DC systems.
What is the maximum discharge capacity?
It features a high surge capacity with a maximum discharge current of 40kA (8/20μs).
How do I know if the device needs to be replaced?
The unit is equipped with clear visual LED indicators that provide real-time operational status and end-of-life indication.
Is this device suitable for outdoor solar installations?
Yes, it is highly suitable for solar power applications, protecting inverters and monitoring systems within its rated temperature range of -45°C to +85°C.
What mounting method does it use?
It uses a standard 35mm DIN rail mounting system for easy and quick installation in electrical panels.
What safety standards does this product meet?
The device complies with international safety standards including IEC 61643-11 and EN 61643-11.

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