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What is SPD energy coordination? Dec 17 , 2025
The so-called energy coordination means that when multiple levels of SPDs or protective elements have different discharge capacities and are used together, the lightning current must be reasonably distributed to ensure that the SPDs or elements with smaller discharge capacities are not damaged. As shown in the figure below, SPD1 has a high discharge capacity and a high residual voltage, while SPD2...
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Application Sharing: Selection, Installation, and Maintenance of Surge Protection device Dec 25 , 2025
Sudden electrical malfunctions, unexplained equipment damage, and even occasional electrical fires are often related to "transient overvoltages," commonly known as "surges." These invisible "electrical shocks" can be caused by lightning strikes, turning appliances on or off, or interference from the power grid, making them "invisible killers" for electrical equipment. Surge protection device ...
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Application scenarios of signal SPDs in series and parallel connection Series connection Jan 06 , 2026
Series connection This mode connects the SPD directly in series with the signal transmission channel, so that the surge current and signal flow share the same path. Its core value lies in ensuring the integrity of high-speed signals: Applicable scenarios: High-bandwidth systems such as Gigabit Ethernet (≥1Gbps), USB 3.0+, HDMI 2.0, 3G-SDI video, and radio frequency (RF). These scenarios require im...
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