This advanced threepole surge protective device is engineered for highvoltage 1000VDC electrical systems, providing superior protection against lightning strikes and transient overvoltages. The device features a durable plastic housing in distinctive red color, ensuring both safety and easy identification in electrical enclosures. With a maximum discharge capacity of 40kA and T2 classification, it offers reliable performance for critical applications where electrical system protection is paramount. The product meets international standards for surge protective devices, making it suitable for various industrial and commercial implementations.
The threepole design provides comprehensive protection for positive, negative, and ground conductors in DC systems. The T2 classification confirms the device's capability to handle indirect lightning effects and switching surges according to IEC standards. The 1000VDC rating makes it ideal for highvoltage applications in renewable energy systems and industrial power distribution. The standard discharge current of 20kA ensures consistent performance under normal surge conditions, while the 40kA maximum capacity offers protection against severe electrical transients.
The integrated thermal protection system automatically disconnects the device during overload conditions, enhancing operational safety. A clear visual status indicator allows for immediate condition assessment, while the DIN rail mounting design facilitates easy installation. The screw terminal connections ensure secure wiring and longterm reliability. The red plastic housing provides excellent electrical insulation and environmental resistance.
Application Scenarios
This surge protective device is particularly suitable for largescale photovoltaic systems, where it protects solar inverters and DC distribution equipment. Industrial applications include protection for highvoltage motor drives, control systems, and automation equipment. The device is also effective in electric vehicle charging infrastructure, telecommunications power systems, and data center backup power installations.
Additional applications include railway electrification systems, mining equipment, and marine power systems. The unit can be used in both indoor and sheltered outdoor environments when properly enclosed, providing versatile protection solutions for various electrical systems.
Technical Specifications
Maximum discharge current
40kA (8/20μs)
Standard discharge current
20kA (8/20μs)
Type
T2 (Class II)
Rated voltage
1000VDC
Protection Level
≤4.0kV
Number of poles
3P
Housing material
Plastic (UL94 V0 compliant)
Protection mode
Linetoline and linetoground
Response time
<25ns
Operating temperature range
-45°C to +85°C
Connection method
Screw terminals
Mounting
DIN rail (35mm)
Status indication
Visual indicator
Standards compliance
IEC 61643-11
Protection degree
IP20
Performance Characteristics: The device maintains stable performance characteristics throughout its service life, demonstrating consistent surge protection capability under various operating conditions. The design focuses on reliability and safety, with builtin features that ensure proper operation in highvoltage DC systems. The product meets relevant international standards for surge protective devices, providing assurance of quality and performance for electrical system protection applications.
Detailed Product Gallery
Frequently Asked Questions
1. What is the main purpose of this 1000VDC Surge Protective Device?
It is designed to protect DC systems, particularly solar PV installations and industrial power equipment, from indirect lightning effects and electrical surges.
2. What does the T2 (Class II) classification mean?
T2 classification indicates the device is tested to handle indirect lightning strikes and switching transients, making it suitable for distribution boards in renewable energy systems.
3. How can I tell if the device needs to be replaced?
The device features a clear visual status indicator on the front panel. If the indicator changes color (typically from green to red), it indicates the device has performed its function and needs replacement.
4. Can this device be used in extreme temperatures?
Yes, it is designed to operate reliably within a wide temperature range from -45°C to +85°C, making it suitable for various climates.
5. Is installation difficult for this 3P surge protector?
No, it is designed for standard 35mm DIN rail mounting and uses secure screw terminal connections, allowing for fast and standard installation in most electrical panels.
6. What is the response time for surge protection?
The device has an extremely fast response time of less than 25 nanoseconds (ns), ensuring immediate protection for sensitive downstream electronics.
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