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CQ-T2-DC Series Surge Protection Device (SPD)
Surge Protector Technical Description
This series of surge protection devices (SPDs) features an innovative design. Its multifunctional terminal blocks support quick and reliable connection of conductors to copper busbars, significantly improving electrical construction efficiency. When the system detects a fault, the device’s built-in green status indicator window immediately changes color, and a fault signal is output through an independently configured remote alarm terminal, ensuring that operation and maintenance personnel have real-time access to the device status. This product was developed specifically for lightning protection zones LPZ 0B-1 and above. It is suitable for use as a Class II (Class C) pluggable SPD in various DC power systems. Its design fully complies with the strict requirements of the International Electrotechnical Commission IEC 61643-1 and the Chinese national standard GB 18802.1.
Core Features
1.Modular architecture: Pluggable mechanical structure design, supports hot-swap operation, greatly simplifying equipment installation and subsequent maintenance process
2.Double protection mechanism: Integrates two sets of independent thermal trip devices, combined with a visual green fault indicator window and passive dry contact alarm terminals to build a multi-layer safety protection system
Typical Application Specifications
1.Deployment Range: Must be installed at the junction of LPZ 0B-1 or higher level lightning protection zones to provide complete surge protection for DC power systems
2.System adaptability: fully compatible with 48V/110V/220V DC power systems in communication base stations, photovoltaic power generation, rail transit and other fields
3.Certification Standard: Passed IEC 61643-1 3rd Edition and GB 18802.1-2020 certification tests, meeting Class II SPD technical requirements
