{"id":73640,"date":"2023-11-24T14:00:37","date_gmt":"2023-11-24T13:00:37","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/ckf-b-co-to-jest-dane-techniczne-schemat-cena-i-opinie\/"},"modified":"2026-04-08T11:02:59","modified_gmt":"2026-04-08T09:02:59","slug":"ckf-b-co-je-to-technicke-udaje-schema-cena-a-nazory","status":"publish","type":"post","link":"https:\/\/botland.cz\/blog\/ckf-b-co-je-to-technicke-udaje-schema-cena-a-nazory\/","title":{"rendered":"CKF B – Co je to? Technick\u00e9 \u00fadaje, sch\u00e9ma, cena a n\u00e1zory"},"content":{"rendered":"\u010cas \u010dten\u00ed:<\/span> 3<\/span> min.<\/span><\/span>\t\t
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Pod ozna\u010den\u00edm CKF B se skr\u00fdv\u00e1 sn\u00edma\u010d sledu f\u00e1z\u00ed a f\u00e1zov\u00fdch ztr\u00e1t, kter\u00fd se pou\u017e\u00edv\u00e1 k \u00fa\u010dinn\u00e9 ochran\u011b r\u016fzn\u00fdch typ\u016f elektromotor\u016f nap\u00e1jen\u00fdch z t\u0159\u00edf\u00e1zov\u00e9 s\u00edt\u011b.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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CKF B - co to je?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Vhodn\u00e1 ochrana elektromotor\u016f b\u011bhem provozu je kl\u00ed\u010dem k zachov\u00e1n\u00ed bezpe\u010dnosti, stabiln\u00edho provozu<\/strong> a dlouh\u00e9 \u017eivotnosti pohonn\u00fdch jednotek<\/strong>. Jedn\u00edm z \u0159e\u0161en\u00ed \u00fa\u010dinn\u00e9 ochrany motor\u016f nap\u00e1jen\u00fdch t\u0159\u00edf\u00e1zov\u00fdm proudem je sn\u00edma\u010d CKF B<\/strong>. Detektor sledu f\u00e1z\u00ed a ztr\u00e1ty f\u00e1ze se aktivuje ve dvou situac\u00edch<\/strong>. Prvn\u00ed je ztr\u00e1ta nap\u011bt\u00ed minim\u00e1ln\u011b v jedn\u00e9 f\u00e1zi<\/strong>. Druh\u00e1 situace se naopak t\u00fdk\u00e1 p\u0159\u00edpad\u016f, kdy v elektrick\u00e9 instalaci existuj\u00ed rozd\u00edly v \u00farovn\u00edch nap\u011bt\u00ed mezi jednotliv\u00fdmi f\u00e1zemi<\/strong>. V obou p\u0159\u00edpadech je elektromotor vystaven nestabiln\u00edm provozn\u00edm podm\u00ednk\u00e1m, kter\u00e9 mohou zp\u016fsobit \u010d\u00e1ste\u010dn\u00e9 nebo \u00fapln\u00e9 zni\u010den\u00ed pohonn\u00e9 jednotky.<\/p>\n

Detektor CKF B nav\u00edc chr\u00e1n\u00ed motor p\u0159ed zm\u011bnou sm\u011bru<\/strong> v p\u0159\u00edpad\u011b zm\u011bny f\u00e1ze v elektrick\u00e9m syst\u00e9mu p\u0159ed detektorem.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Jak funguje sn\u00edma\u010d sledu f\u00e1z\u00ed a ztr\u00e1ty f\u00e1ze CKF B?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Princip \u010dinnosti detektoru f\u00e1zov\u00e9 posloupnosti a f\u00e1zov\u00fdch ztr\u00e1t CKF B<\/strong> je pom\u011brn\u011b jednoduch\u00fd. V p\u0159\u00edpad\u011b v\u00fdpadku nap\u00e1jen\u00ed minim\u00e1ln\u011b jedn\u00e9 f\u00e1ze (dvou nebo t\u0159\u00ed) odpoj\u00ed nap\u00e1jen\u00ed elektromotoru<\/strong>. Krom\u011b toho se motor vypne v p\u0159\u00edpad\u011b asymetrie nap\u011bt\u00ed<\/strong> alespo\u0148 55 V<\/strong>. V obou p\u0159\u00edpadech dojde k imobilizaci pohonn\u00e9 jednotky po uplynut\u00ed 4 sekund od aktiva\u010dn\u00edho faktoru. Toto \u0159e\u0161en\u00ed zaji\u0161\u0165uje, \u017ee se motor p\u0159i kr\u00e1tkodob\u00e9m poklesu nap\u011bt\u00ed nevypne<\/strong>.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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K automatick\u00e9mu uzav\u0159en\u00ed obvodu<\/strong>, a t\u00edm i k p\u0159eru\u0161en\u00ed nap\u00e1jen\u00ed elektromotoru, p\u0159ipojen\u00e9ho k 3f\u00e1zov\u00e9 elektrick\u00e9 instalaci, dojde, pokud je vyp\u00ednac\u00ed nap\u011bt\u00ed p\u0159ekro\u010deno o 5V<\/strong> (nap\u011b\u0165ov\u00e1 hystereze) . Co se v\u0161ak stane, kdy\u017e se anom\u00e1lie v nap\u00e1jen\u00ed vyskytuj\u00ed neust\u00e1le? V t\u00e9to situaci nen\u00ed mo\u017en\u00e9 pohonnou jednotku restartovat<\/strong>. Zm\u011bna po\u0159ad\u00ed f\u00e1z\u00ed, kter\u00e1 sou\u010dasn\u011b zp\u016fsob\u00ed zm\u011bnu sm\u011bru motoru, zase zp\u016fsob\u00ed, \u017ee pohonn\u00e1 jednotka p\u0159estane b\u00fdt nap\u00e1jena. <\/p>\n\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<\/div>\n\t\t\t\t

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Op\u011btovn\u00e9 spu\u0161t\u011bn\u00ed motoru je mo\u017en\u00e9 pouze tehdy, pokud jsou f\u00e1ze elektrick\u00e9ho syst\u00e9mu ve spr\u00e1vn\u00e9m po\u0159ad\u00ed. V opa\u010dn\u00e9m p\u0159\u00edpad\u011b nen\u00ed uveden\u00ed do provozu mo\u017en\u00e9.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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CKF B - Technick\u00e1 data<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Sn\u00edma\u010d CKF B<\/strong> je uzav\u0159en v robustn\u00edm pouzd\u0159e<\/strong> z odoln\u00e9ho plastu. Konstrukce sn\u00edma\u010de byla navr\u017eena pro mont\u00e1\u017e na standardn\u00ed 35mm li\u0161tu.<\/strong> Jednotka m\u00e1 z\u00e1kladn\u00ed stupe\u0148 odolnosti proti vn\u011bj\u0161\u00edm vliv\u016fm (certifik\u00e1t IP20)<\/strong>. Nap\u00e1jec\u00ed nap\u011bt\u00ed detektoru CKF B je 3 x 400 V + N<\/strong>. Senzor nen\u00ed vhodn\u00fd pro pou\u017eit\u00ed s gener\u00e1tory. Aktivn\u00edm prvkem popsan\u00e9ho detektoru je rel\u00e9<\/strong>. Konfigurace kontakt\u016f je 1 NO kontakt<\/strong> (norm\u00e1ln\u011b otev\u0159en\u00fd).<\/p>\n

Senzor je vybaven optickou regulac\u00ed v\u00fdkonu<\/strong> realizovanou pomoc\u00ed dvou energeticky \u00fasporn\u00fdch LED diod<\/strong><\/a>. Elektroinstalace se p\u0159ipojuje pomoc\u00ed \u0161roubov\u00fdch svorek<\/strong> vhodn\u00fdch pro kabely s pr\u016f\u0159ezem<\/strong> vodi\u010d\u016f do 4,0 mm\u00b2<\/strong>. Spr\u00e1vn\u00fd utahovac\u00ed moment pro \u0161roubov\u00e9 svorky je 0,5 Nm<\/strong>.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Detektor sledu f\u00e1z\u00ed a f\u00e1zov\u00fdch ztr\u00e1t CKF B - dal\u0161\u00ed technick\u00e9 \u00fadaje<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Detektor CKF B<\/strong> se vyzna\u010duje \u0161irok\u00fdm rozsahem pracovn\u00edch teplot od -25 \u00b0C do +40 \u00b0C<\/strong>. V praxi to znamen\u00e1 stabiln\u00ed a spolehliv\u00fd provoz za r\u016fzn\u00fdch podm\u00ednek. D\u00edky minim\u00e1ln\u00ed spot\u0159eb\u011b energie pouh\u00fdch 1,6 W<\/strong> m\u00e1 instalace i velk\u00e9ho po\u010dtu senzor\u016f minim\u00e1ln\u00ed dopad na spot\u0159ebu elektrick\u00e9 energie.<\/p>\n

Rozm\u011bry senzoru CKF B jsou dva moduly (35 mm).<\/strong> Sledov\u00e1n\u00ed sledu f\u00e1z\u00ed a f\u00e1zov\u00fdch ztr\u00e1t je realizov\u00e1no trvale. Maxim\u00e1ln\u00ed zat\u011b\u017eovac\u00ed proud popsan\u00e9ho detektoru je 10 A<\/strong>. Za\u0159\u00edzen\u00ed nen\u00ed vybaveno \u0159e\u0161en\u00edm pro ovl\u00e1d\u00e1n\u00ed kontakt\u016f ak\u010dn\u00edho \u010dlenu, tj. styka\u010de<\/strong>.<\/p>\n

V p\u0159\u00edpad\u011b nesymetrie nap\u011bt\u00ed mezi f\u00e1zemi se senzor aktivuje p\u0159i p\u0159ekro\u010den\u00ed mezn\u00ed hodnoty 55 V<\/strong>. Za zm\u00ednku stoj\u00ed, \u017ee za\u0159\u00edzen\u00ed se vyzna\u010duj\u00ed zpo\u017ed\u011bnou dobou vypnut\u00ed 4 sekundy<\/strong>. To znamen\u00e1, \u017ee se styka\u010d aktivuje, kdy\u017e parametry spou\u0161t\u011b trvaj\u00ed minim\u00e1ln\u011b 4 sekundy. Nap\u011b\u0165ov\u00e1 hystereze je naopak 5 V.<\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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CKF B - n\u00e1zory<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Detektor sledu f\u00e1z\u00ed a f\u00e1zov\u00fdch ztr\u00e1t CKF B m\u00e1 dobrou pov\u011bst mimo jin\u00e9 mezi elektrik\u00e1\u0159i, elektroinstalat\u00e9ry a servisn\u00edmi techniky d\u00edky sv\u00e9 univerz\u00e1ln\u00ed pou\u017eitelnosti a spolehliv\u00e9mu provozu<\/strong>. Dal\u0161\u00edmi v\u00fdhodami senzoru jsou snadn\u00e1 a rychl\u00e1 instalace<\/strong> a jednoduch\u00e9 zapojen\u00ed pomoc\u00ed \u0161roubov\u00fdch konektor\u016f.<\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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CKF B - cena<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Cena sn\u00edma\u010de sledu f\u00e1z\u00ed a f\u00e1zov\u00fdch ztr\u00e1t ur\u010den\u00e9ho k ochran\u011b elektromotor\u016f nap\u00e1jen\u00fdch z t\u0159\u00edf\u00e1zov\u00e9 elektrick\u00e9 s\u00edt\u011b z\u00e1vis\u00ed na konkr\u00e9tn\u00edm v\u00fdrobci. Ve v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f cena, kterou mus\u00edte za detektor zaplatit, nep\u0159esahuje 600 korun<\/strong>. U\u017eivatel na opl\u00e1tku z\u00edsk\u00e1 osv\u011bd\u010den\u00e9 \u0159e\u0161en\u00ed, kter\u00e9 \u00fa\u010dinn\u011b chr\u00e1n\u00ed elektromotory p\u0159ed pozastaven\u00edm a n\u00e1kladn\u00fdmi opravami.<\/p>\n\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Pod ozna\u010den\u00edm CKF B se skr\u00fdv\u00e1 sn\u00edma\u010d sledu f\u00e1z\u00ed a f\u00e1zov\u00fdch ztr\u00e1t, kter\u00fd se pou\u017e\u00edv\u00e1 k \u00fa\u010dinn\u00e9 ochran\u011b r\u016fzn\u00fdch typ\u016f elektromotor\u016f nap\u00e1jen\u00fdch z t\u0159\u00edf\u00e1zov\u00e9 s\u00edt\u011b.<\/p>\n","protected":false},"author":22,"featured_media":73313,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7,179],"tags":[],"class_list":["post-73640","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-elektronika","category-kompendium"],"acf":[],"yoast_head":"\nCKF B - Co je to? Technick\u00e9 \u00fadaje, sch\u00e9ma, cena a n\u00e1zory - Botland<\/title>\n<meta name=\"description\" content=\"Sn\u00edma\u010d sledu f\u00e1z\u00ed a z\u00e1niku f\u00e1z\u00ed pro ochranu elektromotor\u016f nap\u00e1jen\u00fdch z t\u0159\u00edf\u00e1zov\u00e9 elektrick\u00e9 instalace. Nejd\u016fle\u017eit\u011bj\u0161\u00ed informace, technick\u00e9 \u00fadaje a cena.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/botland.cz\/blog\/ckf-b-co-je-to-technicke-udaje-schema-cena-a-nazory\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CKF B - Co je to? Technick\u00e9 \u00fadaje, sch\u00e9ma, cena a n\u00e1zory - Botland\" \/>\n<meta property=\"og:description\" content=\"Sn\u00edma\u010d sledu f\u00e1z\u00ed a z\u00e1niku f\u00e1z\u00ed pro ochranu elektromotor\u016f nap\u00e1jen\u00fdch z t\u0159\u00edf\u00e1zov\u00e9 elektrick\u00e9 instalace. Nejd\u016fle\u017eit\u011bj\u0161\u00ed informace, technick\u00e9 \u00fadaje a cena.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/botland.cz\/blog\/ckf-b-co-je-to-technicke-udaje-schema-cena-a-nazory\/\" \/>\n<meta property=\"og:site_name\" content=\"Botland\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/facebook.com\/Botland\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-11-24T13:00:37+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-08T09:02:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2023\/11\/ckf_b.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1510\" \/>\n\t<meta property=\"og:image:height\" content=\"755\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Sandra Marcinkowska\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napsal(a)\" \/>\n\t<meta name=\"twitter:data1\" content=\"Sandra Marcinkowska\" \/>\n\t<meta name=\"twitter:label2\" content=\"Odhadovan\u00e1 doba \u010dten\u00ed\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minuty\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/botland.cz\\\/blog\\\/ckf-b-co-je-to-technicke-udaje-schema-cena-a-nazory\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/botland.cz\\\/blog\\\/ckf-b-co-je-to-technicke-udaje-schema-cena-a-nazory\\\/\"},\"author\":{\"name\":\"Sandra Marcinkowska\",\"@id\":\"https:\\\/\\\/botland.store\\\/blog\\\/#\\\/schema\\\/person\\\/7a06711dccb739346fbe8c8cf34927f2\"},\"headline\":\"CKF B – Co je to? 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