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500VDC T2 Surge Protective Device with 40kA Maximum Discharge Capacity
Key Features and Advantages
The threepole configuration provides comprehensive protection for positive, negative, and ground lines in DC systems. The T2 classification confirms the device's capability to handle indirect lightning effects and switching surges according to international standards. The 500VDC voltage rating makes it suitable for mediumvoltage applications commonly found in industrial and renewable energy systems.
The integrated thermal protection mechanism ensures automatic disconnection during overload conditions, enhancing system safety. A clear visual status indicator allows for immediate operational assessment, while the DIN rail mounting design facilitates easy installation in standard electrical enclosures. The screw terminal connections provide secure wiring implementation, maintaining reliable performance over extended periods.
Application Scenarios
This protective device is particularly suitable for photovoltaic systems, where it protects solar inverters and DC distribution equipment. Industrial applications include protection for motor drives, control systems, and automation equipment operating at 500VDC. The device also provides effective surge protection for electric vehicle charging infrastructure, telecommunications power systems, and railway electrification systems.
Additional applications include backup power installations, mining equipment, and building management systems. The unit can be used in both indoor and sheltered outdoor environments when installed in appropriate enclosures, offering 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: 500VDC
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
Mounting: DIN rail (35mm)
Status indication: Visual indicator
Standards compliance: IEC 6164311
Protection degree: IP20
Performance Characteristics
The device maintains stable performance characteristics throughout its service life, demonstrating consistent surge protection capability under specified operating conditions. The design focuses on reliability and safety, with builtin features that ensure proper operation in various electrical environments. The product meets relevant international standards for surge protective devices, providing assurance of quality and performance for electrical system protection applications.
The red housing offers easy identification in electrical enclosures, while the compact design allows for efficient space utilization in control cabinets. The combination of technical specifications and practical design features makes this surge protective device a reliable choice for protecting 500VDC electrical systems against transient overvoltages.
