The image displays an Early Streamer Emission (ESE) lightning arrester, which is an advanced device for lightning protection.
Specifications
- <p><strong>Model and Efficiency:</strong> Models are often designated by their efficiency or "triggering time" (</p><p><img src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==">Δtdelta t</p><p>Δ</p><p>𝑡</p><p>) in microseconds (</p><p><img src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==">μsmu s</p><p>𝜇</p><p>𝑠</p><p>). Common models might have efficiencies of <img src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==">30μs30 mu s</p><p>3</p><p>0</p><p>𝜇</p><p>𝑠</p><p>, <img src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==">50μs50 mu s</p><p>5</p><p>0</p><p>𝜇</p><p>𝑠</p><p>, or <img src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==">60μs60 mu s</p><p>6</p><p>0</p><p>𝜇</p><p>𝑠</p><p>. </p><p><br></p><p> </p><p><strong>Material:</strong> The external structure and ESE system are typically made from stainless steel to ensure durability and effective operation in various atmospheric conditions. </p><p><br></p><p> </p><p><strong>Dimensions and Weight:</strong> Physical properties like length, net weight, and package size differ between models. For example, one model might be</p><p><img src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==">311mm×408mm311 m m cross 408 m m</p><p>3</p><p>1</p><p>1</p><p>𝑚</p><p>𝑚</p><p>×</p><p>4</p><p>0</p><p>8</p><p>𝑚</p><p>𝑚</p><p>and weigh <img src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==">3.8kg3.8 k g</p><p>3</p><p>.</p><p>8</p><p>𝑘</p><p>𝑔</p><p>, while another might be</p><p><img src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==">70cm70 c m</p><p>7</p><p>0</p><p>𝑐</p><p>𝑚</p><p>long and weigh <img src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==">2.4kg2.4 k g</p><p>2</p><p>.</p><p>4</p><p>𝑘</p><p>𝑔</p><p>. </p><p><br></p><p> </p><p><strong>Lightning Current Withstanding:</strong> These devices are tested to withstand high lightning currents, typically</p><p><img src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==">100kA100 k cap A</p><p>1</p><p>0</p><p>0</p><p>𝑘</p><p>𝐴</p><p><br></p><p>with a</p><p><img src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==">10/350μs10 / 350 mu s</p><p>1</p><p>0</p><p>/</p><p>3</p><p>5</p><p>0</p><p>𝜇</p><p>𝑠</p><p>waveform, as required by standards. </p><p><br></p><p> </p><p><strong>Protection Radius:</strong> The protection radius (in meters) depends on the model's efficiency, the height of installation, and the lightning protection level (I to IV) according to standards like NFC 17-102. </p><p><br></p><p> </p><p><strong>Standards and Certifications:</strong> Products often comply with international standards such as UNE-EN 62561, NF C 17-102, and carry certifications like the CE mark visible on the product in the image. </p>