{"id":22923,"date":"2026-10-04T12:51:23","date_gmt":"2026-10-04T04:51:23","guid":{"rendered":"https:\/\/lorentzzi.com\/?p=22923"},"modified":"2026-10-04T12:56:17","modified_gmt":"2026-10-04T04:56:17","slug":"zero-cross-vs-random-turn-on-solid-state-relay-key-differences","status":"publish","type":"post","link":"https:\/\/lorentzzi.com\/fr\/zero-cross-vs-random-turn-on-solid-state-relay-key-differences\/","title":{"rendered":"Relais statique \u00e0 d\u00e9clenchement au passage \u00e0 z\u00e9ro vs relais statique \u00e0 d\u00e9clenchement al\u00e9atoire : principales diff\u00e9rences"},"content":{"rendered":"
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Relais \u00e0 semi-conducteurs<\/span><\/a><\/span> sont des composants essentiels des syst\u00e8mes de r\u00e9gulation de temp\u00e9rature (tels que les syst\u00e8mes CVC, les chauffe-eau \u00e9lectriques, les saunas, les presses \u00e0 injection, etc.) utilis\u00e9s pour activer et d\u00e9sactiver rapidement et avec pr\u00e9cision les \u00e9l\u00e9ments chauffants, permettant ainsi un contr\u00f4le pr\u00e9cis de la temp\u00e9rature.<\/span><\/p>

Tous les relais statiques utilisent principalement deux m\u00e9thodes de commande : la commande au passage par z\u00e9ro et la commande \u00e0 activation al\u00e9atoire.<\/span><\/p>

Que sont les relais statiques \u00e0 passage par z\u00e9ro et les relais statiques \u00e0 d\u00e9clenchement al\u00e9atoire ? Quels sont leurs avantages, leurs inconv\u00e9nients et leurs principales diff\u00e9rences ? Comment choisir le meilleur produit ?<\/span><\/p>

Pour r\u00e9pondre \u00e0 ces questions, nous vous proposons une explication d\u00e9taill\u00e9e dans cet article.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Qu'est-ce qu'un relais statique \u00e0 passage par z\u00e9ro ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Un SSR \u00e0 passage par z\u00e9ro ne s'active pas imm\u00e9diatement apr\u00e8s la r\u00e9ception d'un signal de commande ; il attend que le courant alternatif passe par z\u00e9ro avant de connecter la charge. Ces SSR int\u00e8grent un circuit de d\u00e9tection de tension au passage par z\u00e9ro (indiqu\u00e9 en rouge sur le sch\u00e9ma ci-dessous).<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Le fonctionnement du relais statique \u00e0 passage par z\u00e9ro est le suivant : lorsqu'un signal d'entr\u00e9e de commande est re\u00e7u, la sortie du relais statique ne s'active pas imm\u00e9diatement, mais attend que la tension sinuso\u00efdale alternative atteigne le point de passage par z\u00e9ro avant d'activer le circuit de sortie. Lorsque le signal d'entr\u00e9e est supprim\u00e9, le relais statique se d\u00e9sactive automatiquement au point de passage par z\u00e9ro suivant.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Avantages des relais statiques \u00e0 passage par z\u00e9ro<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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  1. R\u00e9duction du bruit \u00e9lectrique<\/b>:<\/span> Les relais statiques (SSR) \u00e0 commutation au passage par z\u00e9ro s'activent \u00e0 une tension proche de z\u00e9ro, ce qui permet de r\u00e9duire les variations brusques de la tension de charge. Cela contribue \u00e0 minimiser les interf\u00e9rences \u00e9lectromagn\u00e9tiques (EMI).<\/span><\/li>
  2. Courant d'appel r\u00e9duit pour de nombreuses charges r\u00e9sistives<\/b>: Le raccordement d'une charge r\u00e9sistive \u00e0 proximit\u00e9 du point de passage \u00e0 z\u00e9ro de la tension permet de r\u00e9duire le courant d'appel initial par rapport \u00e0 une mise sous tension au point haut de l'onde alternative. Cela permet d'\u00e9viter l'impact des pics de tension et de courant sur la dur\u00e9e de vie de l'\u00e9l\u00e9ment chauffant.<\/span><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    Inconv\u00e9nients des SSR \u00e0 passage par z\u00e9ro<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    Le principal inconv\u00e9nient est que les relais statiques (SSR) ne peuvent pas s'activer \u00e0 n'importe quel instant d'une forme d'onde alternative.<\/span><\/p>

    Apr\u00e8s avoir re\u00e7u un signal de commande, il peut \u00eatre n\u00e9cessaire d'attendre le prochain passage \u00e0 z\u00e9ro appropri\u00e9.<\/span><\/p>

    Pour les applications de chauffage classiques, ce d\u00e9lai est g\u00e9n\u00e9ralement n\u00e9gligeable. Cependant, pour certaines charges qui n\u00e9cessitent une mise sous tension imm\u00e9diate, ce d\u00e9lai peut constituer un inconv\u00e9nient majeur.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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    Qu'est-ce qu'un relais statique \u00e0 activation al\u00e9atoire ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    Contrairement aux relais statiques \u00e0 passage par z\u00e9ro, les relais statiques \u00e0 activation al\u00e9atoire (\u00e9galement appel\u00e9s relais statiques \u00e0 activation instantan\u00e9e) ne n\u00e9cessitent pas que la tension alternative atteigne un point de passage par z\u00e9ro pour s'activer.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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    \n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Forme\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    Lorsqu'une tension de commande est appliqu\u00e9e \u00e0 la borne de commande, la borne de charge devient imm\u00e9diatement conductrice. En d'autres termes, apr\u00e8s l'application d'un signal de commande, la borne de charge peut devenir conductrice \u00e0 pratiquement n'importe quel instant de la forme d'onde alternative.<\/span><\/p>

    Par exemple, si un signal de commande est appliqu\u00e9 alors que la tension alternative est proche de sa tension de cr\u00eate, le relais statique \u00e0 activation al\u00e9atoire s'activera \u00e0 ce moment-l\u00e0 sans attendre le prochain passage \u00e0 z\u00e9ro.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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    Avantages des relais statiques (SSR) \u00e0 activation al\u00e9atoire<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    1. R\u00e9ponse plus rapide<\/b>: Les relais statiques \u00e0 activation al\u00e9atoire n'ont pas besoin d'attendre le prochain passage \u00e0 z\u00e9ro ; ils peuvent commencer \u00e0 conduire d\u00e8s que le signal de commande est appliqu\u00e9.<\/span><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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      Inconv\u00e9nients des relais statiques \u00e0 activation al\u00e9atoire<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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      1. Bruit \u00e9lectrique et interf\u00e9rences \u00e9lectromagn\u00e9tiques<\/b>: Une commutation \u00e0 n'importe quel point de la forme d'onde du courant alternatif peut g\u00e9n\u00e9rer davantage de bruit \u00e9lectrique et d'interf\u00e9rences \u00e9lectromagn\u00e9tiques.<\/span><\/li>
      2. Courant d'appel \u00e9lev\u00e9<\/b>: Cela g\u00e9n\u00e8re \u00e9galement un courant transitoire \u00e9lev\u00e9, susceptible d'affecter la dur\u00e9e de vie de certaines charges sensibles aux pics de courant, telles que les lampes \u00e0 incandescence ou halog\u00e8nes, les capteurs de pr\u00e9cision et les instruments.<\/span><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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        SSR \u00e0 passage par z\u00e9ro vs SSR \u00e0 mise en marche al\u00e9atoire : tableau comparatif complet<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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        Les relais statiques (SSR) \u00e0 d\u00e9clenchement au passage par z\u00e9ro et les relais statiques (SSR) \u00e0 d\u00e9clenchement al\u00e9atoire pr\u00e9sentent de nombreuses diff\u00e9rences, notamment en ce qui concerne leur point de d\u00e9clenchement, leur d\u00e9lai de d\u00e9clenchement, leur circuit de d\u00e9tection du passage par z\u00e9ro, le bruit \u00e9lectrique et les interf\u00e9rences \u00e9lectromagn\u00e9tiques, etc.<\/span><\/p>

        Le tableau ci-dessous pr\u00e9sente ces diff\u00e9rences \u00e0 titre de r\u00e9f\u00e9rence.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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        \n\t\t\t\n\t\t\t \n\t\t\t \n\t\t\t\t\t\t\t\t\t \n\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\t\tFonctionnalit\u00e9<\/span><\/th>\n\t\t\t \t\t\t\t \n\t\t\t\t\t\t\t\t\t\t\t\t\t\tSSR \u00e0 passage par z\u00e9ro<\/span><\/th>\n\t\t\t \t\t\t\t \n\t\t\t\t\t\t\t\t\t\t\t\t\t\tMise en marche al\u00e9atoire du relais statique (SSR)<\/span><\/th>\n\t\t\t \t\t\t\t <\/tr>\n\t\t\t <\/thead>\n\t\t\t \t
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        \n\t\t\t\t\t\t\t\t\t\t\t\t\tSeuil d'activation\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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        \n\t\t\t\t\t\t\t\t\t\t\t\t\t\u00c0 proximit\u00e9 du passage \u00e0 z\u00e9ro de la tension alternative\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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        \n\t\t\t\t\t\t\t\t\t\t\t\t\tTout point de la courbe de courant alternatif\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t \t\t\t\t\t\t
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        \n\t\t\t\t\t\t\t\t\t\t\t\t\tTemporisation \u00e0 l'enclenchement\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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        \n\t\t\t\t\t\t\t\t\t\t\t\t\tIl faut attendre le prochain passage \u00e0 z\u00e9ro\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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        \n\t\t\t\t\t\t\t\t\t\t\t\t\tPratiquement aucun temps de commutation\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t \t\t\t\t\t\t
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        \n\t\t\t\t\t\t\t\t\t\t\t\t\tCircuit de d\u00e9tection de passage \u00e0 z\u00e9ro\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
        		\n\t\t\t\t\t\t\t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\tOui\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
        		\n\t\t\t\t\t\t\t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\tNon\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t \t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\tBruit \u00e9lectrique\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
        		\n\t\t\t\t\t\t\t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\tFaible\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
        		\n\t\t\t\t\t\t\t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\tHaut\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t \t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\tEMI\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
        		\n\t\t\t\t\t\t\t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\tFaible\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
        		\n\t\t\t\t\t\t\t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\tHaut\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t \t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\tCourant d'appel\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
        		\n\t\t\t\t\t\t\t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\tFaible\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
        		\n\t\t\t\t\t\t\t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\t\u00c9lev\u00e9e, mais cela d\u00e9pend du point de commutation et de la charge\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t \t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\tR\u00e9gulation de la temp\u00e9rature\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
        		\n\t\t\t\t\t\t\t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\tExcellent\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
        		\n\t\t\t\t\t\t\t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\tExcellent\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t \t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\t\u00c9l\u00e9ments chauffants r\u00e9sistifs\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
        		\n\t\t\t\t\t\t\t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\tAdapt\u00e9\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
        		\n\t\t\t\t\t\t\t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\tAdapt\u00e9\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t \t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\tCharges sensibles aux pics de courant\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
        		\n\t\t\t\t\t\t\t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\tAdapt\u00e9\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
        		\n\t\t\t\t\t\t\t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\tNe convient pas\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t \t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\tApplications typiques \t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
        		\n\t\t\t\t\t\t\t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\tChauffages, fours, syst\u00e8mes de chauffage, ventilation et climatisation, chauffe-eau \t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
        		\n\t\t\t\t\t\t\t\t\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\tChauffages, fours, syst\u00e8mes de chauffage, ventilation et climatisation, chauffe-eau, \u00e9clairage\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t \t\t\t <\/tbody>\n\t\t\t<\/table>\n\t\t<\/div>\n\t \t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
        \n\t\t\t\t
        \n\t\t\t\t\t

        Comment choisir entre un SSR \u00e0 passage par z\u00e9ro et un SSR \u00e0 d\u00e9clenchement al\u00e9atoire ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
        \n\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t

        Les relais statiques \u00e0 d\u00e9clenchement au passage par z\u00e9ro et \u00e0 d\u00e9clenchement al\u00e9atoire peuvent tous deux \u00eatre utilis\u00e9s pour contr\u00f4ler avec pr\u00e9cision des \u00e9l\u00e9ments chauffants et d'autres charges.<\/span><\/p>

        Si votre circuit n\u00e9cessite une r\u00e9duction du bruit \u00e9lectrique et des interf\u00e9rences \u00e9lectromagn\u00e9tiques (EMI) vers les autres composants, utilisez un relais statique \u00e0 passage par z\u00e9ro.<\/span><\/p>

        Si vous avez besoin d'un contr\u00f4le rapide des appareils de chauffage ou d'autres charges, nous vous recommandons vivement d'utiliser un relais statique \u00e0 activation al\u00e9atoire.<\/span><\/p>

        Sur le march\u00e9, la plupart des relais statiques sont con\u00e7us pour fonctionner en mode de commande \u00ab passage par z\u00e9ro \u00bb, sauf si des exigences particuli\u00e8res sont formul\u00e9es concernant le <\/span>Fabricants et fournisseurs de relais statiques<\/span><\/a><\/span>.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

        \n\t\t\t\t
        \n\t\t\t\t\t

        Conclusion<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
        \n\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\"SSR\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
        \n\t\t\t\t
        \n\t\t\t\t\t\t\t\t\t

        En r\u00e9sum\u00e9, que vous choisissiez d'utiliser un relais statique \u00e0 passage par z\u00e9ro ou un relais statique \u00e0 d\u00e9clenchement al\u00e9atoire pour commander le chauffage, ces deux types de relais permettent de r\u00e9guler avec pr\u00e9cision la temp\u00e9rature du chauffage.<\/span><\/p>

        La principale diff\u00e9rence r\u00e9side dans le fait qu'ils g\u00e9n\u00e8rent ou non du bruit \u00e9lectrique et un courant de surtension au niveau de la charge.<\/span><\/p>

        Lorentzzi Electric<\/span><\/a><\/span>, fournisseur professionnel de relais statiques en Chine, propose des relais statiques de haute qualit\u00e9, \u00e0 d\u00e9clenchement au passage par z\u00e9ro et \u00e0 d\u00e9clenchement al\u00e9atoire, \u00e0 des prix tr\u00e8s comp\u00e9titifs. Veuillez <\/span>nous contacter<\/span><\/a><\/span> Pour en savoir plus sur nos relais statiques !<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

        Solid-state relays are key components in temperature control systems (such as HVAC systems, electric water heating systems, saunas, injection molding machines, etc.) used to promptly and accurately turn heating elements on and off, achieving precise temperature control. All solid-state relays primarily employ two control methods: zero-crossing control and random turn-on control. What are zero-cross solid-state […]<\/p>\n","protected":false},"author":1,"featured_media":22924,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[109],"tags":[],"class_list":["post-22923","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-solid-state-relay"],"yoast_head":"\nZero-Cross vs. Random Turn-On Solid State Relay: Key Differences<\/title>\n<meta name=\"description\" content=\"This blog post will provide you with detailed information on the Zero-Cross vs. Random Turn-On Solid State Relay, click to get more details!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lorentzzi.com\/fr\/zero-cross-vs-random-turn-on-solid-state-relay-key-differences\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" 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