[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.bielmeier.cz\/proudovy-chranic-s-jisticem-zabrani-pozaru\/#Article","mainEntityOfPage":"https:\/\/www.bielmeier.cz\/proudovy-chranic-s-jisticem-zabrani-pozaru\/","headline":"Proudov\u00fd chr\u00e1ni\u010d s jisti\u010dem zabr\u00e1n\u00ed po\u017e\u00e1ru","name":"Proudov\u00fd chr\u00e1ni\u010d s jisti\u010dem zabr\u00e1n\u00ed po\u017e\u00e1ru","description":"Elektrick\u00e1 energie je v modern\u00ed dob\u011b nezbytnou sou\u010d\u00e1st\u00ed ka\u017ed\u00e9 dom\u00e1cnosti i ka\u017ed\u00e9ho provozu. Bez n\u00ed bychom se zkr\u00e1tka neobe\u0161li. P\u0159esto, \u017ee je nezbytn\u00e1, m\u016f\u017ee b\u00fdt tak\u00e9 v mnoha ohledech nebezpe\u010dn\u00e1. Proto je nutn\u00e9 jak\u00e9mukoliv nebezpe\u010d\u00ed p\u0159edch\u00e1zet vhodn\u00fdmi dopl\u0148ky, kter\u00e9 ochr\u00e1n\u00ed nejen n\u00e1\u0161 majetek, ale hlavn\u011b na\u0161e \u017eivoty. K takov\u00fdm prvk\u016fm pat\u0159\u00ed i proudov\u00fd chr\u00e1ni\u010d. Jedn\u00e1...","datePublished":"2021-01-23","dateModified":"2023-05-02","author":{"@type":"Person","@id":"https:\/\/www.bielmeier.cz\/author\/#Person","name":"","url":"https:\/\/www.bielmeier.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/1ea551d08e5aaea35ec0edab8371d7eaf798177f38aa8a77e65ff33bf2d8edc8?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/1ea551d08e5aaea35ec0edab8371d7eaf798177f38aa8a77e65ff33bf2d8edc8?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"bielmeier.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.bielmeier.cz\/wp-content\/uploads\/proudovy-chranic-noark-2p-25a-30ma-230v-6ka_K4G3pb.jpg","url":"https:\/\/www.bielmeier.cz\/wp-content\/uploads\/proudovy-chranic-noark-2p-25a-30ma-230v-6ka_K4G3pb.jpg","height":0,"width":0},"url":"https:\/\/www.bielmeier.cz\/proudovy-chranic-s-jisticem-zabrani-pozaru\/","about":["N\u00e1kupy"],"wordCount":603,"articleBody":"            Elektrick\u00e1 energie je v modern\u00ed dob\u011b nezbytnou sou\u010d\u00e1st\u00ed ka\u017ed\u00e9 dom\u00e1cnosti i ka\u017ed\u00e9ho provozu. Bez n\u00ed bychom se zkr\u00e1tka neobe\u0161li. P\u0159esto, \u017ee je nezbytn\u00e1, m\u016f\u017ee b\u00fdt tak\u00e9 v mnoha ohledech nebezpe\u010dn\u00e1. Proto je nutn\u00e9 jak\u00e9mukoliv nebezpe\u010d\u00ed p\u0159edch\u00e1zet vhodn\u00fdmi dopl\u0148ky, kter\u00e9 ochr\u00e1n\u00ed nejen n\u00e1\u0161 majetek, ale hlavn\u011b na\u0161e \u017eivoty.  K takov\u00fdm prvk\u016fm pat\u0159\u00ed i proudov\u00fd chr\u00e1ni\u010d.  Jedn\u00e1 se o elektrick\u00fd p\u0159\u00edstroj, kter\u00fd v kritickou chv\u00edli p\u0159i \u00faniku mal\u00e9ho\/prozat\u00edm bezpe\u010dn\u00e9ho pro \u010dlov\u011bka \/poruchov\u00e9ho proudu odpoj\u00ed chr\u00e1n\u011bn\u00fd elektrick\u00fd obvod a t\u00edm p\u00e1dem je probl\u00e9m bezpe\u010dnosti vy\u0159e\u0161en. Kritickou chv\u00edl\u00ed m\u016f\u017ee b\u00fdt okam\u017eik, kdy dojde k po\u0161kozen\u00ed izolace a p\u0159et\u00e9kaj\u00edc\u00ed proud se vyd\u00e1 po vodiv\u00e9m, kovov\u00e9m povrchu mimo ur\u010den\u00fd obvod. Druh\u00fdm dopl\u0148kem, kter\u00fd m\u016f\u017ee mnoh\u00e9mu zabr\u00e1nit, je elektrick\u00fd jisti\u010d.  Ten zas\u00e1hne v p\u0159\u00edpad\u011b, kdy p\u0159i zkratu nebo p\u0159et\u00ed\u017een\u00ed pote\u010de p\u0159es dr\u00e1t \/ vodi\u010d\/ v\u011bt\u0161\u00ed proud, ne\u017e ho stihne p\u0159ep\u00e1lit jako sv\u00e1\u0159e\u010dka. V sou\u010dasn\u00e9 dob\u011b je ide\u00e1ln\u00ed mo\u017enost\u00ed po\u0159\u00eddit si kombinaci obou uveden\u00fdch prvk\u016f. Proudov\u00fd chr\u00e1ni\u010d s jisti\u010dem tedy ochr\u00e1n\u00ed \u010dlov\u011bka p\u0159ed \u00farazem elektrick\u00fdm proudem a elektrick\u00e9 obvody i spot\u0159ebi\u010de p\u0159ed n\u00e1sledky p\u0159et\u00ed\u017een\u00ed a zkratu. T\u00edm v podstatn\u00e9 m\u00ed\u0159e zabra\u0148uje vzniku po\u017e\u00e1ru.  Tento prvek mus\u00ed b\u00fdt v souladu s platn\u00fdmi normami.  Co je to vlastn\u011b zkrat elekt\u0159iny? O zkratu hovo\u0159\u00edme ve chv\u00edli, kdy je elektrick\u00fd obvod naru\u0161en a proud neproch\u00e1z\u00ed ur\u010denou cestou elektrick\u00e9ho obvodu, ale krat\u0161\u00ed cestou \u2013 podle druhu zkratu \/mezi vodi\u010di kabelu, mezi vinut\u00edm c\u00edvky\/ mezi f\u00e1zemi, p\u0159\u00edpadn\u011b mezi f\u00e1z\u00ed a nulov\u00fdm vodi\u010dem, mezi f\u00e1z\u00ed a ochrann\u00fdm vodi\u010dem – od jednoho p\u00f3lu k druh\u00e9mu. Proto zkratu \u0159\u00edkaj\u00ed elektrik\u00e1\u0159i \u201ekr\u00e1tk\u00e9 spojen\u00ed\u201c.  Pot\u00e9 mohou nastat dv\u011b situace. 1) Elektrick\u00e9 za\u0159\u00edzen\u00ed, kter\u00e9 je pr\u00e1v\u011b v tu chv\u00edli p\u0159ipojeno, m\u016f\u017ee b\u00fdt po\u0161kozeno.   2) Vzhledem k tomu, \u017ee st\u00e1le roste teplota, m\u016f\u017ee doj\u00edt k po\u017e\u00e1ru. A to v p\u0159\u00edpad\u011b, \u017ee dojde ke kontaktu s n\u011bkter\u00fdm ho\u0159lav\u00fdm materi\u00e1lem. V obou p\u0159\u00edpadech p\u0159i po\u0161kozen\u00ed izolace hroz\u00ed ubl\u00ed\u017een\u00ed na zdrav\u00ed \u010dlov\u011bka, \u00faraz elektrick\u00fdm proudem.    \u0158e\u0161en\u00ed je pouze jedin\u00e9. A to \u2013 okam\u017eit\u00e9 odpojen\u00ed elektrick\u00e9ho proudu. A pr\u00e1v\u011b tuto funkci zvl\u00e1dne elektrick\u00fd jisti\u010d, p\u0159\u00edpadn\u011b proudov\u00fd chr\u00e1ni\u010d s jisti\u010dem. Ke zkratu tak\u00e9 m\u016f\u017ee doj\u00edt t\u00edm, \u017ee se do elektrick\u00e9ho obvodu instalace nebo spot\u0159ebi\u010de dostane voda a ta zas\u00e1hne nedostate\u010dn\u011b chr\u00e1n\u011bn\u00e9 vodi\u010de uvnit\u0159 spot\u0159ebi\u010de.  Pr\u00e1v\u011b proto n\u00e1s v\u00fdrobci elektrick\u00fdch spot\u0159ebi\u010d\u016f upozor\u0148uj\u00ed, zda je mo\u017en\u00e9 je pou\u017e\u00edvat ve vlhk\u00e9m prost\u0159ed\u00ed.  P\u0159\u00edkladem jsou vysava\u010de, kter\u00e9 mohou pracovat v such\u00e9m i mokr\u00e9m re\u017eimu. Dal\u0161\u00edmi v\u00fdrobky jsou nap\u0159\u00edklad epil\u00e1tory, kter\u00e9 jsou rozd\u011blen\u00e9 na dv\u011b skupiny. Bu\u010f je mo\u017en\u00e9 s nimi pracovat pouze pro mo\u017enost such\u00e9 epilace anebo jsou pou\u017eiteln\u00e9 i pro mokrou epilaci. Proto je v\u017edy nutn\u00e9 p\u0159e\u010d\u00edst si n\u00e1vod k pou\u017eit\u00ed, aby nedo\u0161lo k \u00farazu osob, anebo po\u0161kozen\u00ed majetku. ]]]]>]]>                                                                                                                                                                                                                                                                                                                                                                                          3.7\/5 - (6 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Proudov\u00fd chr\u00e1ni\u010d s jisti\u010dem zabr\u00e1n\u00ed po\u017e\u00e1ru","item":"https:\/\/www.bielmeier.cz\/proudovy-chranic-s-jisticem-zabrani-pozaru\/#breadcrumbitem"}]}]