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Home > SPD Lightning Arrester > Wholesale 3P 500VDC T2 40kA Surge Protective Device 20kA SPD for Medium Voltage DC Systems Manufacturer, Factories
Wholesale 3P 500VDC T2 40kA Surge Protective Device 20kA SPD for Medium Voltage DC Systems Manufacturer, Factories
Wholesale 3P 500VDC T2 40kA Surge Protective Device 20kA SPD for Medium Voltage DC Systems Manufacturer, Factories
Wholesale 3P 500VDC T2 40kA Surge Protective Device 20kA SPD for Medium Voltage DC Systems Manufacturer, Factories
Wholesale 3P 500VDC T2 40kA Surge Protective Device 20kA SPD for Medium Voltage DC Systems Manufacturer, Factories
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Wholesale 3P 500VDC T2 40kA Surge Protective Device 20kA SPD for Medium Voltage DC Systems Manufacturer, Factories
Wholesale 3P 500VDC T2 40kA Surge Protective Device 20kA SPD for Medium Voltage DC Systems Manufacturer, Factories
Wholesale 3P 500VDC T2 40kA Surge Protective Device 20kA SPD for Medium Voltage DC Systems Manufacturer, Factories
Wholesale 3P 500VDC T2 40kA Surge Protective Device 20kA SPD for Medium Voltage DC Systems Manufacturer, Factories

Wholesale 3P 500VDC T2 40kA Surge Protective Device 20kA SPD for Medium Voltage DC Systems Manufacturer, Factories

3P 500VDC T2 Surge Protective Device is a highperformance solution specifically engineered to protect medium voltage DC systems against lightning strikes and transient overvoltages. This advanced 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.

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Product Description

Key Features and Advantages

✔
Medium Voltage DC Protection: Specifically designed for 500VDC systems, 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: Premium metal oxide varistors with ultra-fast response time (<25ns) for optimal voltage clamping.
✔
Enhanced Safety: Integrated thermal disconnect protection and fail-safe operation prevent catastrophic failures.
✔
Visual Monitoring: Clear LED indicators provide real-time operational status and end-of-life indication.
✔
Standard Compliance: Meets IEC 61643-11 and EN 61643-11 international safety standards.

Application Scenarios

Industrial Automation: Protects PLCs, motor drives, and control equipment in manufacturing facilities.
Solar Power: Safeguards solar inverters and monitoring systems in photovoltaic installations.
Telecommunications: Protection for communication equipment and network devices in data centers.
Transportation: Ensures reliability of signaling and control equipment in railway applications.
Energy Storage: Protection for battery management systems and DC power distribution networks.
Marine Systems: Suitable for marine electronics and offshore navigation systems.

Technical Specifications

Rated Voltage 500VDC
Max. Discharge Current (Imax) 40kA (8/20μs)
Nominal Discharge Current (In) 20kA (8/20μs)
Voltage Protection Level (Up) ≤ 4.0 kV
Number of Poles 3P
Response Time < 25 nanoseconds
Operating Temperature - 45°C to +85°C
Housing Material Flame-Retardant Plastic (UL94 V0)
Mounting 35mm DIN Rail
Protection Degree IP20
This surge protective device combines advanced technology with reliable performance, delivering comprehensive protection for medium voltage DC systems against lightning-induced surges and transient overvoltages. Its three-pole configuration, excellent protective characteristics, and robust construction make it an ideal choice for ensuring the safety and longevity of sensitive electronic equipment in various industrial and commercial applications. The device meets international standards and offers peace of mind through its proven performance in demanding electrical environments.
Frequently Asked Questions
What systems is this SPD specifically designed for?
This Surge Protective Device is specifically engineered for medium voltage DC systems with a rated voltage of 500VDC, commonly used in solar energy and industrial automation.
How does the visual status indicator work?
The device features clear LED indicators. A green light typically indicates normal operation, while a change in status warns that the device has reached its end-of-life and requires replacement.
Is this device suitable for outdoor installations?
The device has an IP20 rating and a wide operating temperature range (-45°C to +85°C). While it handles extreme temperatures, it should be installed within a suitable enclosure for outdoor environmental protection.
What is the advantage of the 40kA surge capacity?
A 40kA maximum discharge current (Imax) provides a robust buffer against high-energy surges caused by indirect lightning strikes, ensuring superior protection for connected sensitive electronics.
Does this SPD comply with international safety regulations?
Yes, it fully complies with IEC 61643-11 and EN 61643-11 standards, ensuring it meets global safety and performance requirements for low-voltage surge protective devices.
How is the device installed?
It is designed for easy installation on a standard 35mm DIN rail using screw terminal connections, making it compatible with most industrial control panels and distribution boards.

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