Wholesale 3P 24VDC T2 40kA Surge Protective Device 20kA SPD for Low Voltage DC System Protection Supplier, Suppliers

This 3P 24VDC T2 Surge Protective Device is a highperformance solution specifically engineered to protect low voltage DC systems against lightning strikes and transient overvoltages. The device 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 threepole protector offers comprehensive surge protection for sensitive electronic equipment operating in 24VDC applications. Its advanced design incorporates stateoftheart protection technology to safeguard critical systems from damaging electrical surges, ensuring operational continuity and equipment longevity.

Product Description

Key Features and Advantages

Complete DC System Protection: Specifically designed for 24VDC applications, providing full three-pole protection for sensitive equipment.
High Surge Capacity: Maximum discharge current of 40kA (8/20μs) ensures robust defense against lightning strikes and electrical transients.
Advanced Protection Technology: Utilizes premium metal oxide varistors with ultrafast response time (<25ns) for optimal voltage clamping performance.
Enhanced Safety Features: Integrated thermal disconnect protection and failsafe operation mechanism prevent system damage.
Visual Status Monitoring: Clear LED indicators provide realtime operational status and end-of-life indication.
Easy Installation: DIN rail mounting with screw terminal connections simplifies installation and maintenance.
Standards Compliance: Meets international safety standards including IEC 61643-11 and EN 61643-11.

Application Scenarios

Industrial Automation: Protects PLCs, sensors, and control equipment.
Renewable Energy: Safeguards solar power systems and PV installations.
Telecommunications: Protection for network devices and communication gear.
Transportation: Ensures reliability of railway signaling and control systems.
Building Automation: Protects security and access control systems.
Medical & Marine: Suitable for sensitive medical devices and marine electronics.

Technical Specifications

Max Discharge Current: 40kA (8/20μs)
Nominal Discharge Current: 20kA (8/20μs)
Type: T2 (IEC 61643-11)
Rated Voltage: 24V DC
Number of Poles: 3P (+, -, G)
Protection Level: Up ≤ 4.0kV
Response Time: < 25 nanoseconds
Temperature Range: -45°C to +85°C
Mounting: 35mm DIN-rail
Status Indication: Visual LED
Housing Material: UL94 V0 Plastic
This surge protective device combines advanced technology with reliable performance, providing comprehensive protection for low voltage DC systems against lightning strikes and transient overvoltages. Its three-pole configuration and robust construction make it an ideal choice for ensuring the safety and longevity of sensitive electronic equipment.

Detailed Product Gallery

3P 24VDC T2 40kA SPD View 1
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3P 24VDC T2 40kA SPD View 5
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3P 24VDC T2 40kA SPD View 8
3P 24VDC T2 40kA SPD View 9
3P 24VDC T2 40kA SPD View 10

Frequently Asked Questions

Q: What is the maximum surge current this device can handle?
A: This SPD is rated for a maximum discharge current (Imax) of 40kA (8/20µs), providing high-level protection against significant electrical surges.
Q: Is this SPD suitable for solar PV systems?
A: Yes, it is specifically designed for 24V DC applications, making it ideal for solar power monitoring, control circuits, and other DC renewable energy systems.
Q: How do I know if the device needs to be replaced?
A: The device features a visual LED status indicator. If the indicator changes color or turns off (depending on specific model configuration), it signals that the protection has reached its end-of-life and requires replacement.
Q: What is the response time of this protective device?
A: The SPD has an ultra-fast response time of less than 25 nanoseconds, ensuring it reacts almost instantaneously to voltage transients.
Q: Can this be mounted on a standard electrical panel?
A: Yes, it is designed for standard 35mm DIN rail mounting, which is compatible with most industrial and commercial electrical distribution panels.
Q: Does it protect all lines in a DC circuit?
A: Yes, the 3-pole (3P) configuration provides comprehensive protection for the positive, negative, and ground lines.

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