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Home > SPD Lightning Arrester > China 1000VDC T2 Class 3Pole Surge Protective Device with 40kA Discharge Capacity Supplier, Factory
China 1000VDC T2 Class 3Pole Surge Protective Device with 40kA Discharge Capacity Supplier, Factory
China 1000VDC T2 Class 3Pole Surge Protective Device with 40kA Discharge Capacity Supplier, Factory
China 1000VDC T2 Class 3Pole Surge Protective Device with 40kA Discharge Capacity Supplier, Factory
China 1000VDC T2 Class 3Pole Surge Protective Device with 40kA Discharge Capacity Supplier, Factory
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China 1000VDC T2 Class 3Pole Surge Protective Device with 40kA Discharge Capacity Supplier, Factory
China 1000VDC T2 Class 3Pole Surge Protective Device with 40kA Discharge Capacity Supplier, Factory
China 1000VDC T2 Class 3Pole Surge Protective Device with 40kA Discharge Capacity Supplier, Factory
China 1000VDC T2 Class 3Pole Surge Protective Device with 40kA Discharge Capacity Supplier, Factory

China 1000VDC T2 Class 3Pole Surge Protective Device with 40kA Discharge Capacity Supplier, Factory

This advanced 3pole surge protective device (SPD) is engineered to provide robust protection for 1000VDC electrical systems against transient overvoltages caused by lightning strikes and switching surges. Designed with a durable red plastic housing, the device combines high visibility with reliable insulation properties. With a maximum discharge current of 40kA and compliance with T2 (Class II) standards, it ensures the safety and longevity of sensitive electrical equipment in highvoltage DC applications. The threepole configuration offers comprehensive protection for positive, negative, and ground conductors, making it ideal for complex DC systems.

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Product Description

Key Features and Advantages
High Capacity Surge Protection: Capable of discharging up to 40kA of surge current, effectively suppressing large transient overvoltages.
T2 Classification: Meets IEC 61643-11 standards for Type 2 surge protection, suitable for indirect lightning strikes and switching surges.
Three-Pole Design: Provides complete protection for DC systems by safeguarding both poles and the grounding line.
Fast Response Time: Reacts to surges in under 25 nanoseconds, minimizing the risk of equipment damage.
Thermal Protection: Integrated thermal disconnect mechanism ensures safe operation under overload conditions.
Durable Housing: Red plastic material (UL94 V0 compliant) offers flame resistance and mechanical strength.
Easy Installation: DIN rail mounting and screw terminals simplify integration into electrical enclosures.
Application Scenarios
▶ Solar Power Systems: Protecting inverters, combiner boxes, and monitoring equipment.
▶ Industrial Automation: Safeguarding PLCs, motor drives, and control systems.
▶ EV Charging Stations: Ensuring the reliability of high-power DC charging infrastructure.
▶ Telecommunications: Shielding critical DC power supplies and backup systems.
▶ Railway Systems: Providing protection for signaling and traction power systems.
Technical Specifications
Rated Voltage1000VDC
Max Discharge Current (Imax)40kA (8/20μs)
Nominal Discharge Current (In)20kA (8/20μs)
Type / ClassificationT2 (Class II)
Protection Level (Up)≤ 4.0kV
Number of Poles3P
Response Time< 25ns
Housing MaterialPlastic (UL94 V0 Flame Resistant)
Operating Temperature-45°C to +85°C
Mounting35mm DIN rail
Standards ComplianceIEC 61643-11
Performance and Reliability:

The device ensures consistent performance under repetitive surge conditions, with a robust design that prioritizes safety and durability. Its compact form factor allows for efficient space utilization in control cabinets, while the visual status indicator enables quick maintenance checks. By combining high technical specifications with practical features, this SPD offers a reliable solution for protecting 1000VDC systems against surge-related damage.

Frequently Asked Questions
Q1: What is the primary use of this 1000VDC Surge Protective Device?
It is specifically designed to protect DC electrical systems, such as solar photovoltaic installations, EV charging stations, and industrial DC control circuits, from transient overvoltages.
Q2: How does the "Type 2" (T2) classification benefit my system?
T2 classification indicates the device is tested to handle indirect lightning strikes and surges caused by switching operations, making it ideal for sub-distribution boards.
Q3: Is the installation process complicated?
No, the device features a standard 35mm DIN rail mounting design and screw terminals, allowing for quick and easy integration into most standard electrical enclosures.
Q4: What happens if the device is overloaded?
The SPD includes an integrated thermal disconnect mechanism that safely disconnects the device from the circuit under extreme overload or end-of-life conditions to prevent fire hazards.
Q5: Can it withstand harsh environmental temperatures?
Yes, it is rated for a wide operating temperature range from -45°C up to +85°C, ensuring reliability in both extreme cold and hot industrial environments.
Q6: How fast does the surge protection activate?
The device has a very high response speed of less than 25 nanoseconds, ensuring that surges are suppressed before they can reach and damage sensitive electronics.

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