{"id":2214,"date":"2025-09-29T15:19:40","date_gmt":"2025-09-29T07:19:40","guid":{"rendered":"https:\/\/www.britecelectric.com\/?post_type=blog&p=2214"},"modified":"2025-09-29T15:19:40","modified_gmt":"2025-09-29T07:19:40","slug":"how-to-install-type-12-lightning-surge-arresters","status":"publish","type":"blog","link":"https:\/\/www.britecelectric.com\/fr\/blog\/how-to-install-type-12-lightning-surge-arresters\/","title":{"rendered":"Comment installer des parafoudres de type 1+2\u00a0?"},"content":{"rendered":"

1. Pr\u00e9sentation<\/b><\/strong><\/h2>\r\nLes coups de foudre et les surtensions constituent un risque s\u00e9rieux pour les syst\u00e8mes \u00e9lectriques modernes. Sans protection ad\u00e9quate, ils peuvent endommager les \u00e9quipements sensibles, perturber les op\u00e9rations et m\u00eame provoquer des risques d'incendie. Installer un Parafoudre de type 1+2<\/strong><\/a>\u00a0est un moyen tr\u00e8s efficace de fournir Protection contre les surtensions CA<\/strong>, garantissant \u00e0 la fois la s\u00e9curit\u00e9 et la fiabilit\u00e9 du syst\u00e8me. Ce guide explique ce que sont les parafoudres de type 1+2, comment les installer correctement et les meilleures pratiques pour des performances \u00e0 long terme.\r\n\r\n\"\"<\/a>\r\n

2. Qu'est-ce qu'un parafoudre de type 1+2\u00a0?<\/b><\/strong><\/h2>\r\n

2-1 D\u00e9finition et principe de fonctionnement<\/b><\/strong><\/h3>\r\nA Parafoudre de type 1+2<\/strong>\u00a0<\/a>est un dispositif de protection con\u00e7u pour prot\u00e9ger les syst\u00e8mes \u00e9lectriques contre les surtensions de foudre \u00e0 haute \u00e9nergie (type 1) et les surtensions de commutation de niveau inf\u00e9rieur (type 2). Il absorbe ou d\u00e9tourne l'\u00e9nergie de surtension exc\u00e9dentaire vers le sol, assurant ainsi la s\u00e9curit\u00e9 des \u00e9quipements connect\u00e9s.\r\n

2-2 Diff\u00e9rence entre Protections de type 1 et de type 2<\/a><\/b><\/strong><\/h3>\r\nParafoudre de type 1<\/strong>: Install\u00e9 \u00e0 l'entr\u00e9e de service principale, con\u00e7u pour g\u00e9rer les courants de foudre continus.\r\n\r\nParafoudre de type 2<\/strong>: Install\u00e9 en aval, prot\u00e9geant contre les surtensions de commutation et l'\u00e9nergie r\u00e9siduelle de la foudre.\r\n\r\nCombinaison de types 1+2<\/strong>: Fournit les deux niveaux de protection dans un seul appareil, garantissant une couverture compl\u00e8te.\r\n

3. Planification de l'installation<\/b><\/strong><\/h2>\r\n

3-1 \u00c9valuation du syst\u00e8me \u00e9lectrique et des risques de surtension<\/b><\/strong><\/h3>\r\n\u00c9valuez le syst\u00e8me de distribution d'\u00e9nergie, identifiez les zones \u00e0 haut risque (par exemple, entr\u00e9e de service, \u00e9quipement ext\u00e9rieur) et d\u00e9terminez les courants de surtension requis.\r\n

3-2 S\u00e9lection du mod\u00e8le de parafoudre appropri\u00e9<\/b><\/strong><\/h3>\r\nChoisissez un parafoudre appropri\u00e9 tension nominale<\/strong>, capacit\u00e9 de courant de surtension<\/strong>, et conformit\u00e9 aux normes CEI\/UL.\r\n

3-3 Pr\u00e9paration des outils et des \u00e9quipements de s\u00e9curit\u00e9<\/b><\/strong><\/h3>\r\nAvant l'installation, rassemblez les outils isol\u00e9s, les gants de protection et l'\u00e9quipement de test. Suivez toujours les r\u00e8gles de s\u00e9curit\u00e9 \u00e9lectrique.\r\n

4. Placement et positionnement des parafoudres<\/b><\/strong><\/h2>\r\n

4-1 Emplacement d'installation recommand\u00e9<\/b><\/strong><\/h3>\r\nLe meilleur emplacement pour un Parafoudre de type 1+2<\/strong>\u00a0est au entr\u00e9e de service principale<\/strong>, l\u00e0 o\u00f9 les surtensions entrent en premier dans le b\u00e2timent.\r\n

4-2 Coordination avec les SPD en aval<\/b><\/strong><\/h3>\r\nPour une protection maximale, coordonnez-vous avec les SPD de type 3 install\u00e9s \u00e0 proximit\u00e9 des \u00e9quipements sensibles (ordinateurs, serveurs, dispositifs m\u00e9dicaux).\r\n

4-3 Assurer une distance optimale par rapport aux \u00e9quipements sensibles<\/b><\/strong><\/h3>\r\nUn c\u00e2blage plus court entre le parafoudre et l'\u00e9quipement r\u00e9duit l'imp\u00e9dance, am\u00e9liorant ainsi l'efficacit\u00e9 de la protection.\r\n

5. Mise \u00e0 la terre appropri\u00e9e pour les parafoudres<\/b><\/strong><\/h2>\r\n

5-1 Importance d'un syst\u00e8me de mise \u00e0 la terre \u00e0 faible imp\u00e9dance<\/b><\/strong><\/h3>\r\nUne protection efficace contre les surtensions d\u00e9pend d'un r\u00e9seau de mise \u00e0 la terre solide et \u00e0 faible r\u00e9sistance<\/strong>. Une imp\u00e9dance \u00e9lev\u00e9e peut r\u00e9duire les performances du parafoudre.\r\n

5-2 M\u00e9thodes de connexion du parafoudre<\/b><\/strong><\/h3>\r\nUtilisez des conducteurs courts et \u00e9pais pour connecter le parafoudre \u00e0 la barre omnibus de terre ou \u00e0 l'\u00e9lectrode de mise \u00e0 la terre. \u00c9vitez les courbures brusques des c\u00e2bles.\r\n

5-3 Conformit\u00e9 aux normes<\/b><\/strong><\/h3>\r\nVeiller \u00e0 ce que les pratiques de mise \u00e0 la terre soient respect\u00e9es codes \u00e9lectriques locaux<\/strong>\u00a0(par exemple, CEI 62305, NEC).\r\n

6. Guide d'installation \u00e9tape par \u00e9tape<\/b><\/strong><\/h2>\r\n

6-1 Mise hors tension et pr\u00e9cautions de s\u00e9curit\u00e9<\/b><\/strong><\/h3>\r\nAvant l'installation, d\u00e9branchez l'alimentation \u00e9lectrique et v\u00e9rifiez que le syst\u00e8me est hors tension.\r\n

6-2 Montage du Parafoudre de type 1+2<\/a><\/b><\/strong><\/h3>\r\nFixez le parafoudre sur un rail DIN ou un montage sur panneau dans le tableau de distribution.\r\n

6-3 Bornes de connexion de ligne, neutre et de mise \u00e0 la terre<\/b><\/strong><\/h3>\r\nConnecter lignes de phase<\/strong>\u00a0(L) to the arrester\u2019s line terminals.\r\n\r\nConnect neutre (N)<\/strong>\u00a0if required by the arrester design.\r\n\r\nConnect terre (PE)<\/strong>\u00a0directement au r\u00e9seau de mise \u00e0 la terre.\r\n

6-4 V\u00e9rification et s\u00e9curisation de tout le c\u00e2blage<\/b><\/strong><\/h3>\r\nV\u00e9rifiez \u00e0 nouveau toutes les connexions, serrez les vis selon les sp\u00e9cifications du fabricant et assurez-vous d'une mise \u00e0 la terre serr\u00e9e.\r\n

7. Coordination des parafoudres de type 1+2 avec d'autres SPD<\/b><\/strong><\/h2>\r\n

7-1 Comprendre la hi\u00e9rarchie de protection contre les surtensions<\/b><\/strong><\/h3>\r\nTapez 1<\/strong>: Entr\u00e9e de service (protection contre la foudre).\r\n\r\nTapez 2<\/strong>: Tableaux de sous-distribution (protection de commutation).\r\n\r\nTapez 3<\/strong>: Appareils au point d'utilisation (\u00e9lectronique sensible).\r\n

7-2 Garantir la compatibilit\u00e9 avec les appareils de type 3<\/b><\/strong><\/h3>\r\nS\u00e9lectionnez des SPD avec des tensions nominales correspondantes et coordonnez les capacit\u00e9s de gestion de l'\u00e9nergie.\r\n

7-3 \u00c9viter les erreurs courantes<\/b><\/strong><\/h3>\r\nOverlapping protection zones\r\n\r\nUsing incompatible SPD types\r\n\r\nNeglecting proper grounding coordination\r\n

8. Entretien des parafoudres de type 1+2<\/b><\/strong><\/h2>\r\n

8-1 Inspection p\u00e9riodique des indicateurs<\/b><\/strong><\/h3>\r\nLa plupart des SPD ont des indicateurs visuels (vert\/rouge). V\u00e9rifiez r\u00e9guli\u00e8rement pour confirmer l\u2019\u00e9tat op\u00e9rationnel.\r\n

8-2 Test et remplacement des unit\u00e9s d\u00e9fectueuses<\/b><\/strong><\/h3>\r\nSi le parafoudre pr\u00e9sente une d\u00e9faillance ou a absorb\u00e9 une surtension importante, remplacez-le imm\u00e9diatement pour r\u00e9tablir une protection compl\u00e8te.\r\n

8-3 Extension de la dur\u00e9e de vie<\/b><\/strong><\/h3>\r\nMaintenez les connexions propres, surveillez la mise \u00e0 la terre du syst\u00e8me et planifiez des contr\u00f4les de maintenance annuels.\r\n

9. FAQ<\/b><\/strong><\/h2>\r\nQ1\u00a0: Puis-je installer moi-m\u00eame un parafoudre de type 1+2\u00a0?<\/strong>\r\nR : Non. L'installation doit toujours \u00eatre effectu\u00e9e par un \u00e9lectricien agr\u00e9\u00e9 pour garantir la s\u00e9curit\u00e9 et la conformit\u00e9.\r\n\r\nQ2\u00a0: Ai-je toujours besoin de parafoudres de type 3 si j'ai un parafoudre de type 1+2\u00a0?<\/strong>\r\nR : Oui. Le type 1+2 offre une large protection, mais le type 3 est essentiel pour les \u00e9quipements \u00e9lectroniques sensibles.\r\n\r\nQ3\u00a0: Combien de temps dure un parafoudre de type 1+2\u00a0?<\/strong>\r\nR\u00a0: G\u00e9n\u00e9ralement 5 \u00e0 10\u00a0ans, en fonction de l'exposition aux surtensions. Une inspection r\u00e9guli\u00e8re est recommand\u00e9e.\r\n

10. Conclusion<\/b><\/strong><\/h2>\r\nInstallation d'un Parafoudre de type 1+2<\/strong><\/a>\u00a0est une \u00e9tape essentielle pour parvenir \u00e0 une Protection contre les surtensions CA<\/strong>. En planifiant soigneusement l'installation, en garantissant une mise \u00e0 la terre appropri\u00e9e et en vous coordonnant avec les SPD en aval, vous pouvez prot\u00e9ger les syst\u00e8mes \u00e9lectriques contre la foudre et les surtensions de commutation. Avec un entretien r\u00e9gulier et des pratiques d'installation correctes, les parafoudres offrent une protection fiable \u00e0 long terme, r\u00e9duisant les temps d'arr\u00eat, \u00e9vitant les dommages aux \u00e9quipements et am\u00e9liorant la s\u00e9curit\u00e9 \u00e9lectrique.","protected":false},"featured_media":2215,"parent":0,"menu_order":112,"template":"","meta":{"_acf_changed":false},"blog_category":[9],"class_list":["post-2214","blog","type-blog","status-publish","has-post-thumbnail","hentry","blog_category-industry-news"],"acf":{"des":"A Type 1+2 Lightning Surge Arrester protects electrical systems from lightning and switching surges, ensuring safety, reliability, and long-term AC power protection.","txt":"

1. Introduction<\/b><\/strong><\/h2>\r\nLightning strikes and switching surges pose a serious risk to modern electrical systems. Without proper protection, they can damage sensitive equipment, disrupt operations, and even cause fire hazards. Installing a Type 1+2 Lightning Surge Arrester<\/strong><\/a>\u00a0is a highly effective way to provide AC Power Surge Protection<\/strong>, ensuring both safety and system reliability. This guide explains what Type 1+2 surge arresters are, how to install them correctly, and best practices for long-term performance.\r\n\r\n\"\"<\/a>\r\n

2. What is a Type 1+2 Lightning Surge Arrester?<\/b><\/strong><\/h2>\r\n

2-1 Definition and Working Principle<\/b><\/strong><\/h3>\r\nA Type 1+2 Lightning Surge Arrester<\/strong>\u00a0<\/a>is a protective device designed to safeguard electrical systems from high-energy lightning surges (Type 1) and lower-level switching surges (Type 2). It absorbs or diverts excess surge energy into the ground, keeping connected equipment safe.\r\n

2-2 Difference Between Type 1 and Type 2 Protection<\/a><\/b><\/strong><\/h3>\r\nType 1 Surge Arrester<\/strong>: Installed at the main service entrance, designed to handle direct lightning currents.\r\n\r\nType 2 Surge Arrester<\/strong>: Installed downstream, protecting against switching surges and residual lightning energy.\r\n\r\nType 1+2 Combination<\/strong>: Provides both levels of protection in a single device, ensuring full coverage.\r\n

3. Planning for Installation<\/b><\/strong><\/h2>\r\n

3-1 Evaluating the Electrical System and Surge Risks<\/b><\/strong><\/h3>\r\nAssess the power distribution system, identify high-risk areas (e.g., service entrance, outdoor equipment), and determine required surge current ratings.\r\n

3-2 Selecting the Correct Arrester Model<\/b><\/strong><\/h3>\r\nChoose an arrester with appropriate voltage rating<\/strong>, surge current capacity<\/strong>, and compliance with IEC\/UL standards.\r\n

3-3 Preparing Tools and Safety Equipment<\/b><\/strong><\/h3>\r\nBefore installation, gather insulated tools, protective gloves, and testing equipment. Always follow electrical safety regulations.\r\n

4. Placement and Positioning of Surge Arresters<\/b><\/strong><\/h2>\r\n

4-1 Recommended Installation Location<\/b><\/strong><\/h3>\r\nThe best location for a Type 1+2 Lightning Surge Arrester<\/strong>\u00a0is at the main service entrance<\/strong>, where surges first enter the building.\r\n

4-2 Coordination with Downstream SPDs<\/b><\/strong><\/h3>\r\nFor maximum protection, coordinate with Type 3 SPDs installed close to sensitive equipment (computers, servers, medical devices).\r\n

4-3 Ensuring Optimal Distance from Sensitive Equipment<\/b><\/strong><\/h3>\r\nShorter wiring between arrester and equipment reduces impedance, improving protection efficiency.\r\n

5. Proper Grounding for Surge Arresters<\/b><\/strong><\/h2>\r\n

5-1 Importance of a Low-Impedance Grounding System<\/b><\/strong><\/h3>\r\nEffective surge protection depends on a solid and low-resistance grounding network<\/strong>. High impedance can reduce arrester performance.\r\n

5-2 Methods for Connecting the Arrester<\/b><\/strong><\/h3>\r\nUse short, thick conductors to connect the arrester to the ground busbar or grounding electrode. Avoid sharp bends in cables.\r\n

5-3 Compliance with Standards<\/b><\/strong><\/h3>\r\nEnsure grounding practices meet local electrical codes<\/strong>\u00a0(e.g., IEC 62305, NEC).\r\n

6. Step-by-Step Installation Guide<\/b><\/strong><\/h2>\r\n

6-1 Turning Off Power and Safety Precautions<\/b><\/strong><\/h3>\r\nBefore installation, disconnect power supply and verify system is de-energized.\r\n

6-2 Mounting the Type 1+2 Surge Arrester<\/a><\/b><\/strong><\/h3>\r\nSecure the arrester on a DIN rail or panel mount in the distribution board.\r\n

6-3 Connecting Line, Neutral, and Grounding Terminals<\/b><\/strong><\/h3>\r\nConnect phase lines<\/strong>\u00a0(L) to the arrester\u2019s line terminals.\r\n\r\nConnect neutral (N)<\/strong>\u00a0if required by the arrester design.\r\n\r\nConnect ground (PE)<\/strong>\u00a0directly to the grounding network.\r\n

6-4 Verifying and Securing All Wiring<\/b><\/strong><\/h3>\r\nDouble-check all connections, torque screws to manufacturer specifications, and ensure tight grounding.\r\n

7. Coordinating Type 1+2 Surge Arresters with Other SPDs<\/b><\/strong><\/h2>\r\n

7-1 Understanding Surge Protection Hierarchy<\/b><\/strong><\/h3>\r\nType 1<\/strong>: Service entrance (lightning protection).\r\n\r\nType 2<\/strong>: Sub-distribution boards (switching protection).\r\n\r\nType 3<\/strong>: Point-of-use devices (sensitive electronics).\r\n

7-2 Ensuring Compatibility with Type 3 Devices<\/b><\/strong><\/h3>\r\nSelect SPDs with matching voltage ratings and coordinate energy-handling capabilities.\r\n

7-3 Avoiding Common Mistakes<\/b><\/strong><\/h3>\r\nOverlapping protection zones\r\n\r\nUsing incompatible SPD types\r\n\r\nNeglecting proper grounding coordination\r\n

8. Maintaining Type 1+2 Lightning Surge Arresters<\/b><\/strong><\/h2>\r\n

8-1 Periodic Inspection of Indicators<\/b><\/strong><\/h3>\r\nMost SPDs have visual indicators (green\/red). Check regularly to confirm operational status.\r\n

8-2 Testing and Replacing Faulty Units<\/b><\/strong><\/h3>\r\nIf the arrester shows failure or has absorbed a major surge, replace it immediately to restore full protection.\r\n

8-3 Extending Service Life<\/b><\/strong><\/h3>\r\nMaintain clean connections, monitor system grounding, and schedule annual maintenance checks.\r\n

9. FAQ<\/b><\/strong><\/h2>\r\nQ1: Can I install a Type 1+2 Lightning Surge Arrester by myself?<\/strong>\r\nA: No. Installation should always be performed by a licensed electrician to ensure safety and compliance.\r\n\r\nQ2: Do I still need Type 3 SPDs if I have a Type 1+2 arrester?<\/strong>\r\nA: Yes. Type 1+2 provides broad protection, but Type 3 is essential for sensitive electronic equipment.\r\n\r\nQ3: How long does a Type 1+2 arrester last?<\/strong>\r\nA: Typically 5\u201310 years, depending on surge exposure. Regular inspection is recommended.\r\n

10. Conclusion<\/b><\/strong><\/h2>\r\nInstalling a Type 1+2 Lightning Surge Arrester<\/strong><\/a>\u00a0is a vital step in achieving complete AC Power Surge Protection<\/strong>. By carefully planning the installation, ensuring proper grounding, and coordinating with downstream SPDs, you can safeguard electrical systems against both lightning strikes and switching surges. With regular maintenance and correct installation practices, surge arresters provide reliable, long-term protection\u2014reducing downtime, preventing equipment damage, and enhancing electrical safety."},"_links":{"self":[{"href":"https:\/\/www.britecelectric.com\/fr\/wp-json\/wp\/v2\/blog\/2214","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.britecelectric.com\/fr\/wp-json\/wp\/v2\/blog"}],"about":[{"href":"https:\/\/www.britecelectric.com\/fr\/wp-json\/wp\/v2\/types\/blog"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.britecelectric.com\/fr\/wp-json\/wp\/v2\/media\/2215"}],"wp:attachment":[{"href":"https:\/\/www.britecelectric.com\/fr\/wp-json\/wp\/v2\/media?parent=2214"}],"wp:term":[{"taxonomy":"blog_category","embeddable":true,"href":"https:\/\/www.britecelectric.com\/fr\/wp-json\/wp\/v2\/blog_category?post=2214"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}