China 2P 24VDC T2 40kA Surge Protective Device 20kA SPD for Low Voltage DC Systems Lightning Protection Manufacturer, Factory

This 2P 24VDC T2 Surge Protective Device (SPD) is a highperformance solution specifically engineered to protect low voltage DC systems from damaging transient overvoltages caused by lightning strikes and electrical surges. Designed for 24VDC applications, this compact device features a robust plastic housing in professional gray color, providing excellent electrical insulation and mechanical durability. With a maximum discharge capacity of 40kA and nominal discharge current of 20kA, this twopole protector ensures reliable performance for sensitive electronic equipment, maintaining system integrity and preventing costly downtime in various low voltage applications.

Product Description

Key Features and Advantages

  • Precise Low Voltage Protection: Optimized for 24VDC systems, ensuring accurate voltage clamping for sensitive electronics.
  • High Surge Handling Capacity: Maximum discharge current of 40kA (8/20μs) provides robust defense against direct and indirect lightning strikes.
  • Compact Space-Saving Design: 2-pole configuration ideal for applications with limited installation space.
  • Advanced Multistage Protection: Incorporates premium metal oxide varistors with response time <25ns.
  • Enhanced Safety Mechanisms: Integrated thermal disconnect protection and failsafe operation.
  • Clear Visual Indicators: LED status display for instant operational monitoring.
  • Easy DIN Rail Installation: Simplified mounting system reduces installation time and costs.
  • Wide Temperature Range: Reliable operation from -45°C to +85°C.

Application Scenarios

  • Industrial Automation: Protects PLCs, sensors, and control systems in manufacturing environments.
  • Security Systems: Safeguards CCTV cameras, access control devices, and alarm systems.
  • Telecommunications: Provides protection for communication equipment and network devices.
  • Renewable Energy: Protects monitoring and control systems in solar power installations.
  • Transportation Infrastructure: Ensures reliability of signaling and control systems in railway applications.
  • Building Management: Safeguards automation systems and smart building devices.
  • Medical Equipment: Provides surge protection for sensitive medical devices.

Technical Specifications

Maximum Discharge Current: 40kA (8/20μs)
Nominal Discharge Current: 20kA (8/20μs)
Protection Level (Up): ≤4.0kV
Rated Voltage: 24VDC
Protection Level: T2 (Class II)
Number of Poles: 2P
Housing Material: Flame Retardant (UL94 V0)
Color: Orange
Response Time: <25 nanoseconds
Operating Temperature: -45°C to +85°C
Protection Mode: L+/L/PE
Connection Type: Screw terminal
Mounting: DIN Rail (35mm)
Protection Degree: IP20
Standards: IEC 61643-11, EN 61643-11
This surge protective device combines advanced technology with practical design, delivering comprehensive protection for low voltage DC systems against lightning strikes and transient overvoltages. Its compact size, reliable performance, and excellent protective characteristics make it an ideal choice for ensuring the safety and longevity of sensitive electronic equipment across various industries and applications.

Detailed Product Gallery

Frequently Asked Questions

Q1: What is the maximum surge capacity of this 24VDC SPD? The device has a maximum discharge current (Imax) of 40kA and a nominal discharge current (In) of 20kA (8/20μs).
Q2: How fast does the surge protector react to a voltage spike? The response time is extremely fast, reacting in less than 25 nanoseconds to ensure protection for sensitive electronics.
Q3: Is this device suitable for outdoor solar installations? Yes, it is designed for renewable energy systems, including solar power monitoring and control systems, as long as it's housed in an appropriate enclosure (IP20 rated).
Q4: What mounting system does this surge protector use? It is designed for easy installation on a standard 35mm DIN Rail, which is common in industrial and automation cabinets.
Q5: What are the operating temperature limits? The device is built for extreme environments, operating reliably between -45°C and +85°C.
Q6: Does it provide visual status updates? Yes, it features a clear visual indicator/LED display that allows for instant monitoring of its operational status.

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