{"id":2181,"date":"2025-03-02T18:42:12","date_gmt":"2025-03-02T10:42:12","guid":{"rendered":"https:\/\/led.amasly.com\/?p=2181"},"modified":"2025-03-06T22:55:15","modified_gmt":"2025-03-06T14:55:15","slug":"explosion-proof-principle-for-electrical-equipment-in-explosive-atmospheres","status":"publish","type":"post","link":"https:\/\/led.amasly.com\/sk\/explosion-proof-equipment\/explosion-proof-principle-for-electrical-equipment-in-explosive-atmospheres\/","title":{"rendered":"Princ\u00edp nev\u00fdbu\u0161nosti elektrick\u00fdch zariaden\u00ed vo v\u00fdbu\u0161nom prostred\u00ed"},"content":{"rendered":"<h1 class=\"wp-block-heading has-text-align-center\"><strong>Princ\u00edp nev\u00fdbu\u0161nosti elektrick\u00fdch zariaden\u00ed vo v\u00fdbu\u0161nom prostred\u00ed<\/strong><strong><\/strong><\/h1>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><a href=\"https:\/\/led.amasly.com\/sk\/\"><img decoding=\"async\" width=\"500\" height=\"405\" src=\"https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/03\/\u56fe\u724731.png\" alt=\"\" class=\"wp-image-2183\" title=\"\" srcset=\"https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/03\/\u56fe\u724731.png 500w, https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/03\/\u56fe\u724731-300x243.png 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n\n\n\n<p>Elektrick\u00e9 zariadenia so zv\u00fd\u0161enou bezpe\u010dnos\u0165ou s\u00fa \u0161pecializovan\u00e9 nev\u00fdbu\u0161n\u00e9 elektrick\u00e9 zariadenia, ozna\u010den\u00e9 symbolom \u201ce\u201d. Je to \u0161iroko pou\u017e\u00edvan\u00fd typ nev\u00fdbu\u0161n\u00e9ho elektrick\u00e9ho zariadenia v priemyseln\u00fdch podnikoch, kde sa vyskytuj\u00fa hor\u013eav\u00e9 plyny.<\/p>\n\n\n\n<p>V\u0161eobecne sa uzn\u00e1va, \u017ee ak menovit\u00e9 nap\u00e4tie zdroja nepresahuje 11 kV (striedav\u00e1 efekt\u00edvna hodnota alebo hodnota jednosmern\u00e9ho pr\u00fadu), za norm\u00e1lnych prev\u00e1dzkov\u00fdch podmienok alebo za uznan\u00fdch abnorm\u00e1lnych podmienok nevznikaj\u00fa iskry, obl\u00faky a (alebo) nebezpe\u010dn\u00e1 vlhkos\u0165 elektrick\u00e9ho zariadenia, je povolen\u00e9 navrhova\u0165 a vyr\u00e1ba\u0165 elektrick\u00e9 zariadenia zvy\u0161uj\u00face bezpe\u010dnos\u0165. Je zrejm\u00e9, \u017ee elektrick\u00e9 zariadenie, ktor\u00e9 nesp\u013a\u0148a tieto podmienky, nie je povolen\u00e9 vyrobi\u0165 na nev\u00fdbu\u0161n\u00fd typ zv\u00fd\u0161enej bezpe\u010dnosti.<\/p>\n\n\n\n<p>Za uveden\u00fdch kvalifika\u010dn\u00fdch podmienok nie je elektrick\u00e9 zariadenie so zv\u00fd\u0161enou bezpe\u010dnos\u0165ou \u201cnev\u00fdbu\u0161n\u00e9\u201d pou\u017eit\u00edm takzvan\u00e9ho \u201cnev\u00fdbu\u0161n\u00e9ho krytu\u201d, ktor\u00fd sa pou\u017e\u00edva v elektrick\u00fdch zariadeniach odoln\u00fdch proti v\u00fdbuchu, ale pod\u013ea dostato\u010dn\u00fdch podmienok potrebn\u00fdch pre horenie a v\u00fdbuch s\u00fa r\u00f4zne \u010dasti elektrick\u00e9ho zariadenia mechanicky a\/alebo elektricky vylep\u0161en\u00e9, aby sa \u010falej zv\u00fd\u0161il ich stupe\u0148 bezpe\u010dnosti a spo\u013eahlivosti, \u010d\u00edm sa zabr\u00e1ni mo\u017enosti vzniku iskier, obl\u00fakov a\/alebo nebezpe\u010dn\u00fdch tepl\u00f4t. Mechanick\u00e9 a (alebo) elektrick\u00e9 opatrenia na \u010fal\u0161ie zv\u00fd\u0161enie ich stup\u0148a bezpe\u010dnosti a spo\u013eahlivosti, aby sa zabr\u00e1nilo ich vzniku iskier, obl\u00fakov a (alebo) mo\u017enosti vzniku nebezpe\u010dn\u00fdch tepl\u00f4t, t. j. aby sa na elektrick\u00e9 zariadenie prijalo a predlo\u017eilo mno\u017estvo kon\u0161truk\u010dn\u00fdch opatren\u00ed a bezpe\u010dnostn\u00fdch po\u017eiadaviek, aby sa pravdepodobne nestalo zdrojom vznietenia hor\u013eav\u00fdch plynov.<\/p>\n\n\n\n<p><strong>To je princ\u00edp ochrany proti v\u00fdbuchu pre zv\u00fd\u0161en\u00e9 bezpe\u010dnostn\u00e9 elektrick\u00e9 zariadenia.<\/strong><strong><\/strong><\/p>\n\n\n\n<p>Pod\u013ea princ\u00edpu nev\u00fdbu\u0161nosti zv\u00fd\u0161en\u00e9ho bezpe\u010dnostn\u00e9ho elektrick\u00e9ho zariadenia by ste mali vedie\u0165, \u017ee kon\u0161trukt\u00e9ri musia predlo\u017ei\u0165 potrebn\u00e9 a dostato\u010dn\u00e9 osobitn\u00e9 po\u017eiadavky na mechanick\u00fa \u0161trukt\u00faru elektrick\u00e9ho zariadenia, ochranu pl\u00e1\u0161\u0165a, elektrick\u00fa izol\u00e1ciu, pripojenia vodi\u010dov, elektrick\u00e9 probl\u00e9my a vzdialenosti plaziv\u00fdch ciest, hrani\u010dn\u00e9 teploty at\u010f., aby sa zabezpe\u010dilo, \u017ee zv\u00fd\u0161en\u00e9 bezpe\u010dnostn\u00e9 elektrick\u00e9 zariadenie m\u00e1 spo\u013eahliv\u00e9 bezpe\u010dnostn\u00e9 vlastnosti odoln\u00e9 proti v\u00fdbuchu.<\/p>\n\n\n\n<p>V\u0161eobecne povedan\u00e9, tento typ nev\u00fdbu\u0161n\u00e9ho typu elektrick\u00fdch zariaden\u00ed pod nap\u00e4t\u00edm s\u00fa: (vr\u00e1tane rota\u010dn\u00fdch motorov, transform\u00e1torov a solenoidov at\u010f.); lampy a svietidl\u00e1 (vr\u00e1tane l\u00e1mp a svietidiel so zl\u00fdm induk\u010dn\u00fdm predradn\u00edkom); odporov\u00e9 ohrieva\u010de; typ bat\u00e9rie; typ pripojovacej (pod)k\u00e1blovej skrinky (krabice); pr\u00edstrojov\u00e9 transform\u00e1tory pr\u00fadu a nepr\u00edstrojov\u00e9 transform\u00e1tory pr\u00fadu. Okrem in\u00fdch elektrick\u00fdch zariaden\u00ed, ktor\u00e9 maj\u00fa by\u0165 vyroben\u00e9 z tohto typu nev\u00fdbu\u0161n\u00e9ho typu, by mali nev\u00fdbu\u0161n\u00ed kon\u0161trukt\u00e9ri a v\u00fdrobcovia elektrick\u00fdch zariaden\u00ed okrem v\u0161eobecn\u00fdch po\u017eiadaviek na nev\u00fdbu\u0161n\u00fd typ sp\u013a\u0148a\u0165 aj v\u0161eobecn\u00e9 po\u017eiadavky na nev\u00fdbu\u0161n\u00fd typ, ale tie\u017e sa mus\u00ed zv\u00e1\u017ei\u0165 predlo\u017eenie viacer\u00fdch \u010fal\u0161\u00edch technick\u00fdch opatren\u00ed a bezpe\u010dnostn\u00fdch po\u017eiadaviek.<\/p>\n\n\n\n<p>Tieto dodato\u010dn\u00e9 technick\u00e9 opatrenia a bezpe\u010dnostn\u00e9 po\u017eiadavky by mali v z\u00e1sade zah\u0155\u0148a\u0165:<\/p>\n\n\n\n<p>\u2460 Parametre pou\u017eitia elektrick\u00fdch komponentov pou\u017eit\u00fdch v podmienkach in\u0161tal\u00e1cie nesm\u00fa prekro\u010di\u0165 2\/3 ich menovit\u00fdch hodn\u00f4t.<\/p>\n\n\n\n<p>\u2461 Tepeln\u00fd komponent nesmie vytv\u00e1ra\u0165 nebezpe\u010dn\u00e9 teploty presahuj\u00face hrani\u010dn\u00fa teplotu a nesmie ma\u0165 nepriazniv\u00fd vplyv na obvodov\u00fa jednotku (kon\u0161trukciu, parametre, izol\u00e1ciu) v jeho okol\u00ed. \u2462 Odporov\u00fd prvok by mal by\u0165 filmov\u00fd alebo dr\u00f4ten\u00fd rezistor.<\/p>\n\n\n\n<p>\u2463 Induk\u010dn\u00fd prvok by mal ma\u0165 opatrenia na zabr\u00e1nenie vzniku sp\u00e4tnej elektromotorickej sily v okamihu rozpojenia obvodu.<\/p>\n\n\n\n<p>\u2464 Kondenz\u00e1torov\u00e9 prvky by mali by\u0165 kondenz\u00e1tory s pevn\u00fdm izola\u010dn\u00fdm dielektrikom, elektrolytick\u00e9 kondenz\u00e1tory a tantalov\u00e9 kondenz\u00e1tory sa nesm\u00fa pou\u017e\u00edva\u0165.<\/p>\n\n\n\n<p>(vi) Sp\u00ednacie prvky s\u00fa chr\u00e1nen\u00e9 nev\u00fdbu\u0161n\u00fdmi krytmi at\u010f.<\/p>\n\n\n\n<p>Vo v\u0161eobecnosti sa tak\u00e9to nev\u00fdbu\u0161n\u00e9 typy neklasifikuj\u00fa ako nev\u00fdbu\u0161n\u00e9. V pr\u00edpade potreby je mo\u017en\u00e9 ur\u010di\u0165 po\u017eadovan\u00fa \u00farove\u0148 nev\u00fdbu\u0161nosti ur\u010dit\u00e9ho typu elektrick\u00e9ho zariadenia sk\u00fa\u0161an\u00edm, napr\u00edklad vysokonap\u00e4\u0165ov\u00e9 alebo ve\u013ekokapacitn\u00e9 striedav\u00e9 motory so zv\u00fd\u0161enou bezpe\u010dnos\u0165ou s\u00fa tak\u00e9, \u017ee ich mo\u017eno sk\u00fa\u0161an\u00edm zaradi\u0165 aj do triedy \u2161A, triedy \u2161B alebo triedy \u2161C. Zv\u00fd\u0161en\u00fd bezpe\u010dnostn\u00fd typ odoln\u00fd proti v\u00fdbuchu by v\u0161ak mal ma\u0165 zodpovedaj\u00facu \u00farove\u0148 ochrany zariadenia, napr\u00edklad triedu b alebo triedu C; v praxi sa m\u00f4\u017ee vyjadri\u0165 aj ako trieda Gb alebo trieda Gc. Kryt zv\u00fd\u0161en\u00e9ho bezpe\u010dnostn\u00e9ho elektrick\u00e9ho zariadenia je \u010dasto vyroben\u00fd z plechu (napr. niektor\u00e9 oce\u013eov\u00e9 profily a profily z hlin\u00edkovej zliatiny), liatiny, liateho hlin\u00edka a technick\u00fdch plastov.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><a href=\"https:\/\/led.amasly.com\/sk\/products\/\"><img decoding=\"async\" width=\"500\" height=\"339\" src=\"https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/03\/\u56fe\u724732.png\" alt=\"\" class=\"wp-image-2184\" title=\"\" srcset=\"https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/03\/\u56fe\u724732.png 500w, https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/03\/\u56fe\u724732-300x203.png 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n\n\n\n<p>Trhov\u00fd predaj nev\u00fdbu\u0161n\u00fdch elektrick\u00fdch v\u00fdrobkov st\u00e1le nesp\u013a\u0148a kon\u0161truk\u010dn\u00e9 po\u017eiadavky pr\u00edslu\u0161n\u00fdch noriem. Nasleduj\u00face inform\u00e1cie s\u00fa len zo \u0161trukt\u00fary \u00farovne anal\u00fdzy, ako preveri\u0165 pravos\u0165 nev\u00fdbu\u0161n\u00fdch zlo\u017een\u00fdch nev\u00fdbu\u0161n\u00fdch elektrick\u00fdch zariaden\u00ed.<\/p>\n\n\n\n<p><strong>Nev\u00fdbu\u0161n\u00fd kryt \u201cd<\/strong>\u201d pre elektrick\u00e9 zariadenia, typ odoln\u00fd proti v\u00fdbuchu, pl\u00e1\u0161\u0165 m\u00f4\u017ee vydr\u017ea\u0165 cez pl\u00e1\u0161\u0165 ak\u00e9ko\u013evek spoje alebo kon\u0161truk\u010dn\u00e9 medzery do pl\u00e1\u0161\u0165a vn\u00fatorn\u00fd v\u00fdbuch v\u00fdbu\u0161n\u00fdch zmes\u00ed vo vn\u00fatornom v\u00fdbuchu bez po\u0161kodenia a nesp\u00f4sob\u00ed vonkaj\u0161\u00ed jedn\u00fdm alebo viacer\u00fdmi plynmi alebo parami vytvoren\u00fdmi tvorbou v\u00fdbu\u0161n\u00e9ho plynov\u00e9ho prostredia vznietenia.<\/p>\n\n\n\n<p><strong>Zv\u00fd\u0161en\u00e1 bezpe\u010dnos\u0165 typu \u201ce\u201d <\/strong>je nev\u00fdbu\u0161n\u00fd typ elektrick\u00e9ho zariadenia, t. j. s\u00fa prijat\u00e9 dodato\u010dn\u00e9 opatrenia na zv\u00fd\u0161enie bezpe\u010dnosti elektrick\u00e9ho zariadenia, aby sa zabr\u00e1nilo mo\u017enosti vzniku nebezpe\u010dn\u00fdch tepl\u00f4t, obl\u00fakov a iskier pri be\u017enej prev\u00e1dzke alebo za stanoven\u00fdch abnorm\u00e1lnych podmienok.<\/p>\n\n\n\n<p>Ak sa na r\u00f4znych \u010dastiach elektrick\u00e9ho zariadenia alebo Ex komponentoch pou\u017e\u00edvaj\u00fa r\u00f4zne nev\u00fdbu\u0161n\u00e9 typy, nev\u00fdbu\u0161n\u00e9 zna\u010dky by mali obsahova\u0165 v\u0161etky pou\u017eit\u00e9 symboly nev\u00fdbu\u0161n\u00e9ho typu, symboly nev\u00fdbu\u0161n\u00e9ho typu by mali by\u0165 usporiadan\u00e9 v abecednom porad\u00ed, medzi nimi by mal by\u0165 mal\u00fd interval. V praxi sa naj\u010dastej\u0161ie pou\u017e\u00edvaj\u00fa nev\u00fdbu\u0161n\u00e9 zlo\u017een\u00e9 (Ex d e) nev\u00fdbu\u0161n\u00e9 elektrick\u00e9 v\u00fdrobky, ktor\u00e9 maj\u00fa vo v\u0161eobecnosti dve \u0161trukt\u00fary:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Nev\u00fdbu\u0161n\u00e9 elektrick\u00e9 v\u00fdrobky, ako s\u00fa nev\u00fdbu\u0161n\u00e9 rozv\u00e1dza\u010de osvetlenia (nap\u00e1jania), nev\u00fdbu\u0161n\u00e9 magnetick\u00e9 \u0161tart\u00e9ry at\u010f., s\u00fa tvoren\u00e9 kombin\u00e1ciou nev\u00fdbu\u0161nej dutiny a dutiny zvy\u0161uj\u00facej bezpe\u010dnos\u0165. T\u00e1to \u0161trukt\u00fara pre r\u00f4zne \u010dasti elektrick\u00e9ho zariadenia, resp. pou\u017eitie nev\u00fdbu\u0161n\u00e9ho a zv\u00fd\u0161en\u00e9ho bezpe\u010dnostn\u00e9ho typu nev\u00fdbu\u0161n\u00e9ho zariadenia, ako je zn\u00e1zornen\u00e9 na obr\u00e1zku ni\u017e\u0161ie. 2. Zv\u00fd\u0161en\u00e1 bezpe\u010dnostn\u00e1 dutina in\u0161talovan\u00e1 vo vn\u00fatri nev\u00fdbu\u0161n\u00fdch alebo nev\u00fdbu\u0161n\u00fdch a zv\u00fd\u0161en\u00fdch bezpe\u010dnostn\u00fdch kompozitn\u00fdch Ex komponentov nev\u00fdbu\u0161n\u00fdch elektrick\u00fdch v\u00fdrobkov, ako s\u00fa nev\u00fdbu\u0161n\u00e9 sp\u00edna\u010de osvetlenia, nev\u00fdbu\u0161n\u00e9 st\u013apy odoln\u00e9 proti kor\u00f3zii a in\u00e9 elektrick\u00e9 v\u00fdrobky. T\u00e1to kon\u0161trukcia je hlavn\u00fdm telesom elektrick\u00e9ho zariadenia pre zv\u00fd\u0161en\u00fa bezpe\u010dnos\u0165, pri\u010dom Ex komponenty pou\u017e\u00edvaj\u00fa nev\u00fdbu\u0161n\u00fd alebo nev\u00fdbu\u0161n\u00fd zv\u00fd\u0161en\u00fd bezpe\u010dnostn\u00fd nev\u00fdbu\u0161n\u00fd typ, ako je zn\u00e1zornen\u00e9 na obr\u00e1zku ni\u017e\u0161ie.<br>\u00a0\u00a0Je v\u0161ak potrebn\u00e9 poznamena\u0165, \u017ee \u0161trukt\u00fara zavedenia zariadenia cez hlavu a pl\u00e1\u0161\u0165 zariadenia nain\u0161talovan\u00e9ho medzi gumov\u00fdm tesnen\u00edm a cez skrutku z vn\u00fatorn\u00e9ho upevnenia pl\u00e1\u0161\u0165a zariadenia, ako je zn\u00e1zornen\u00e9 ni\u017e\u0161ie, nesp\u013a\u0148a po\u017eiadavky nev\u00fdbu\u0161n\u00e9ho pl\u00e1\u0161\u0165a, m\u00f4\u017ee sa pou\u017ei\u0165 na zv\u00fd\u0161en\u00fd bezpe\u010dnostn\u00fd pl\u00e1\u0161\u0165.<\/li>\n<\/ol>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-39a68775 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><a class=\"\" href=\"https:\/\/led.amasly.com\/sk\/\" target=\"\" rel=\"noopener\"><img decoding=\"async\" srcset=\"https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/03\/\u56fe\u724734.png ,https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/03\/\u56fe\u724734.png 780w, https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/03\/\u56fe\u724734.png 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/03\/\u56fe\u724734.png\" alt=\"\" class=\"uag-image-2186\" width=\"554\" height=\"397\" title=\"\u56fe\u724734\" loading=\"lazy\" role=\"img\"><\/a><\/figure><\/div>\n\n\n\n<p>V d\u00f4sledku toho, ak je na v\u00fdrobnom \u0161t\u00edtku zariadenia ozna\u010denie nev\u00fdbu\u0161n\u00e9ho typu pre nev\u00fdbu\u0161n\u00fd kompozitn\u00fd typ Zengan a existencia nasleduj\u00facej \u0161trukt\u00fary, mo\u017eno ur\u010di\u0165, \u017ee v\u00fdrobok nesp\u013a\u0148a po\u017eiadavky na nev\u00fdbu\u0161nos\u0165: 1. elektrick\u00e9 zariadenie s jednou dutinou, v \u00favode zariadenia sa nach\u00e1dza \u0161trukt\u00fara zn\u00e1zornen\u00e1 na obr\u00e1zku 3 a vn\u00fatorn\u00e1 pr\u00edtomnos\u0165 isti\u010dov, nap\u00e1jac\u00edch modulov, z\u00e1str\u010diek pre dom\u00e1cnos\u0165, neiskrovo bezpe\u010dn\u00fdch obvodov\u00fdch dosiek a in\u00fdch z\u00e1paln\u00fdch s\u00fa\u010dast\u00ed. Odpove\u010f: Kryt s uvedenou \u0161trukt\u00farou nemo\u017eno pou\u017ei\u0165 ako nev\u00fdbu\u0161n\u00fd kryt a zapa\u013eovacie prvky nemo\u017eno in\u0161talova\u0165 vo vn\u00fatri krytu zvy\u0161uj\u00faceho bezpe\u010dnos\u0165, ako je zn\u00e1zornen\u00e9 na obr\u00e1zku ni\u017e\u0161ie. &nbsp;&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-3100c11f wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><a class=\"\" href=\"https:\/\/led.amasly.com\/sk\/products\/\" target=\"\" rel=\"noopener\"><img decoding=\"async\" srcset=\"https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/03\/\u56fe\u724735.png ,https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/03\/\u56fe\u724735.png 780w, https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/03\/\u56fe\u724735.png 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/03\/\u56fe\u724735.png\" alt=\"\" class=\"uag-image-2185\" width=\"656\" height=\"448\" title=\"\u56fe\u724735\" loading=\"lazy\" role=\"img\"><\/a><\/figure><\/div>\n\n\n\n<p>Jednokomorov\u00e9 zariadenie na zavedenie zariadenia existuje v konfigur\u00e1cii zn\u00e1zornenej na obr\u00e1zku 4 a neobsahuje vn\u00fatorn\u00fd prvok s nev\u00fdbu\u0161nou \u0161trukt\u00farou.<br>&nbsp;&nbsp;&nbsp;&nbsp;Vysvetlenie: Zariadenie nem\u00e1 nev\u00fdbu\u0161n\u00fa kon\u0161trukciu a nezodpoved\u00e1 nev\u00fdbu\u0161n\u00e9mu typu v ozna\u010den\u00ed nev\u00fdbu\u0161nosti, ako je zn\u00e1zornen\u00e9 na obr\u00e1zku ni\u017e\u0161ie.<\/p>","protected":false},"excerpt":{"rendered":"<p>Explosion-proof principle for electrical equipment in explosive atmospheres Increased safety electrical equipment is a specialized explosion-proof type of explosion-proof electrical equipment, indicated by the symbol &#8220;e&#8221;. It is a widely used type of explosion-proof electrical equipment in industrial enterprises where flammable gases are present. It is generally accepted that when the rated voltage of the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","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":"var(--ast-global-color-4)","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":""},"tablet":{"background-color":"","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":"","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":""}},"ast-content-background-meta":{"desktop":{"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":""},"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":[8],"tags":[],"class_list":["post-2181","post","type-post","status-publish","format-standard","hentry","category-explosion-proof-equipment"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"Joe","author_link":"https:\/\/led.amasly.com\/sk\/author\/jacklin\/"},"uagb_comment_info":0,"uagb_excerpt":"Explosion-proof principle for electrical equipment in explosive atmospheres Increased safety electrical equipment is a specialized explosion-proof type of explosion-proof electrical equipment, indicated by the symbol &#8220;e&#8221;. It is a widely used type of explosion-proof electrical equipment in industrial enterprises where flammable gases are present. It is generally accepted that when the rated voltage of the&hellip;","_links":{"self":[{"href":"https:\/\/led.amasly.com\/sk\/wp-json\/wp\/v2\/posts\/2181","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/led.amasly.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/led.amasly.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/sk\/wp-json\/wp\/v2\/comments?post=2181"}],"version-history":[{"count":2,"href":"https:\/\/led.amasly.com\/sk\/wp-json\/wp\/v2\/posts\/2181\/revisions"}],"predecessor-version":[{"id":2298,"href":"https:\/\/led.amasly.com\/sk\/wp-json\/wp\/v2\/posts\/2181\/revisions\/2298"}],"wp:attachment":[{"href":"https:\/\/led.amasly.com\/sk\/wp-json\/wp\/v2\/media?parent=2181"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/led.amasly.com\/sk\/wp-json\/wp\/v2\/categories?post=2181"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/led.amasly.com\/sk\/wp-json\/wp\/v2\/tags?post=2181"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}