{"id":1147,"date":"2026-09-20T00:16:27","date_gmt":"2026-09-20T00:16:27","guid":{"rendered":"https:\/\/ritoks.com\/?p=1147"},"modified":"2026-10-04T06:58:19","modified_gmt":"2026-10-04T06:58:19","slug":"type-2-ac-surge-protective-device-selection-guide","status":"publish","type":"post","link":"https:\/\/ritoks.com\/cs\/type-2-ac-surge-protective-device-selection-guide\/","title":{"rendered":"Pr\u016fvodce v\u00fdb\u011brem za\u0159\u00edzen\u00ed na ochranu proti p\u0159ep\u011bt\u00ed typu 2 pro st\u0159\u00eddav\u00e9 nap\u011bt\u00ed"},"content":{"rendered":"

V\u00fdb\u011br za\u0159\u00edzen\u00ed na ochranu proti p\u0159ep\u011bt\u00ed typu 2 pro st\u0159\u00eddav\u00e9 nap\u011bt\u00ed vy\u017eaduje v\u00edce ne\u017e jen volbu jedn\u00e9 hodnoty vypou\u0161t\u011bc\u00edho proudu. St\u0159\u00eddav\u00e1 s\u00ed\u0165, topologie p\u0159ipojen\u00ed, maxim\u00e1ln\u00ed trval\u00e9 provozn\u00ed nap\u011bt\u00ed, jmenovit\u00e9 hodnoty vypou\u0161t\u011bc\u00edho proudu, \u00farove\u0148 ochrany proti p\u0159ep\u011bt\u00ed, po\u017eadavky na ochranu v p\u0159edch\u00e1zej\u00edc\u00edch \u010d\u00e1stech syst\u00e9mu a p\u0159esn\u00e1 dokumentace v\u00fdrobce mus\u00ed b\u00fdt p\u0159i\u0159azeny k jednomu ov\u011b\u0159en\u00e9mu modelu nebo z\u00e1znamu o produktov\u00e9 \u0159ad\u011b.<\/p>\n\n\n\n

Tato p\u0159\u00edru\u010dka shrnuje tyto podklady pro v\u00fdb\u011br dodavatel\u016f a p\u0159\u00edpravu popt\u00e1vky. Nenahrazuje elektrotechnick\u00fd n\u00e1vrh, posouzen\u00ed rizik, mont\u00e1\u017en\u00ed n\u00e1vod ani koordina\u010dn\u00ed tabulku v\u00fdrobce.<\/p>\n\n\n\n

\"GSP10-C40N<\/figure>\n\n\n\n

P\u0159ehled v\u00fdb\u011bru p\u0159ep\u011b\u0165ov\u00fdch ochran typu 2 pro st\u0159\u00eddav\u00e9 nap\u011bt\u00ed<\/h2>\n\n\n\n

Ofici\u00e1ln\u00ed pokyny v\u00fdrobce pova\u017euj\u00ed typ SPD, uspo\u0159\u00e1d\u00e1n\u00ed syst\u00e9mu, Uc, In, Imax a Up za samostatn\u00e9 v\u00fdb\u011brov\u00e9 parametry. Tyto Pokyny spole\u010dnosti Schneider Electric pro v\u00fdb\u011br p\u0159ep\u011b\u0165ov\u00fdch ochran (SPD)<\/a> a dokumentace k elektrick\u00fdm instalac\u00edm tento obecn\u00fd r\u00e1mec podporuj\u00ed. \u00dadaje o jejich produktech nejsou \u00fadaji o produktech spole\u010dnosti RITOKS.<\/p>\n\n\n\n

V\u00fdb\u011brov\u00e9 pole<\/th>Co je t\u0159eba ov\u011b\u0159it<\/th><\/tr><\/thead>
Klasifikace SPD<\/td>Pou\u017eijte p\u0159esn\u00e9 zn\u011bn\u00ed typu 2 z p\u0159\u00edslu\u0161n\u00e9ho z\u00e1znamu v\u00fdrobce. Nevytv\u00e1\u0159ejte vlastn\u00ed ozna\u010den\u00ed t\u0159\u00eddy.<\/td><\/tr>\n
Syst\u00e9m st\u0159\u00eddav\u00e9ho proudu a topologie<\/td>Ur\u010dete rozvodn\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed a po\u017eadovanou topologii sloup\u016f nebo ochrann\u00fdch tras.<\/td><\/tr>\n
Uc<\/td>Ov\u011b\u0159te si \u00fadaj o maxim\u00e1ln\u00edm trval\u00e9m provozn\u00edm nap\u011bt\u00ed v tabulce konkr\u00e9tn\u00edho produktu.<\/td><\/tr>\n
V<\/td>Uve\u010fte jmenovit\u00fd v\u00fdstupn\u00ed proud a jeho pr\u016fb\u011bh v p\u0159\u00edloze k z\u00e1znamu o konkr\u00e9tn\u00edm modelu.<\/td><\/tr>\n
Imax<\/td>Maxim\u00e1ln\u00ed v\u00fdstupn\u00ed proud udr\u017eujte odd\u011blen\u00fd od vstupu (In).<\/td><\/tr>\n
Nahoru<\/td>Ov\u011b\u0159te \u00farove\u0148 nap\u011b\u0165ov\u00e9 ochrany pro zvolenou hodnotu Uc, re\u017eim a p\u0159\u00edpadn\u011b topologii.<\/td><\/tr>\n
Ochrana proti zp\u011btn\u00e9mu toku<\/td>Pro po\u017eadavky na jisti\u010de nebo pojistky pou\u017e\u00edvejte v\u00fdhradn\u011b p\u0159esnou tabulku v\u00fdrobce nebo instala\u010dn\u00ed dokumentaci.<\/td><\/tr>\n
Dokumentace<\/td>Vy\u017e\u00e1dejte si p\u0159esn\u00fd technick\u00fd list, informace o topologii, mont\u00e1\u017en\u00ed pokyny a po\u017eadovan\u00e9 certifik\u00e1ty.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\"Postup
Tuto sekvenci pou\u017eijte k zaji\u0161t\u011bn\u00ed po\u017eadavku na SPD typu 2 pro st\u0159\u00eddav\u00e9 nap\u011bt\u00ed. Jedn\u00e1 se o pracovn\u00ed postup pro v\u00fdb\u011br dodavatele, nikoli o automatick\u00fd v\u00fdb\u011brov\u00fd n\u00e1stroj; nejist\u00e9 \u00fadaje je nutn\u00e9 ov\u011b\u0159it podle p\u0159esn\u00e9ho technick\u00e9ho listu nebo potvrdit u dodavatele.<\/figcaption><\/figure>\n\n\n\n

1. Potvr\u010fte rozsah typu 2 a pou\u017eit\u00ed st\u0159\u00eddav\u00e9ho proudu<\/h2>\n\n\n\n

Pou\u017e\u00edvejte klasifikaci uvedenou p\u0159\u00edmo v\u00fdrobcem. Typ 2 nesm\u00ed b\u00fdt roz\u0161i\u0159ov\u00e1n na nepodporovanou t\u0159\u00eddu II, typ 1+2 ani na jin\u00e9 ozna\u010den\u00ed. Obecn\u00e9 technick\u00e9 p\u0159\u00edru\u010dky popisuj\u00ed za\u0159\u00edzen\u00ed typu 2 v kontextu rozvodu a ochrany za\u0159\u00edzen\u00ed, av\u0161ak spr\u00e1vn\u00e9 um\u00edst\u011bn\u00ed a architektura ochrany st\u00e1le z\u00e1vis\u00ed na konkr\u00e9tn\u00ed instalaci a platn\u00fdch p\u0159edpisech.<\/p>\n\n\n\n

Odd\u011blte SPD pro st\u0159\u00eddav\u00fd a stejnosm\u011brn\u00fd proud. SPD pro stejnosm\u011brn\u00fd proud z fotovoltaick\u00fdch syst\u00e9m\u016f podl\u00e9h\u00e1 odli\u0161n\u00fdm po\u017eadavk\u016fm na syst\u00e9m, polaritu a nap\u011bt\u00ed a nem\u016f\u017ee nahradit chyb\u011bj\u00edc\u00ed \u00fadaje u produktu ur\u010den\u00e9ho pro st\u0159\u00eddav\u00fd proud.<\/p>\n\n\n\n

2. Definujte syst\u00e9m st\u0159\u00eddav\u00e9ho proudu a topologii p\u0159ipojen\u00ed<\/h2>\n\n\n\n

Uve\u010fte, zda se jedn\u00e1 o jednof\u00e1zov\u00fd \u010di t\u0159\u00edf\u00e1zov\u00fd projekt, a ur\u010dete po\u017eadovan\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed vodi\u010d\u016f a ochrann\u00fdch obvod\u016f. Po\u010det sloup\u016f \u010di \u201erodinn\u00e1 fotografie\u201c nesta\u010d\u00ed k definov\u00e1n\u00ed topologie. Pou\u017eijte p\u0159esn\u00fd sch\u00e9ma v\u00fdrobce nebo \u0161t\u00edtek s topologi\u00ed a pot\u00e9 nechte kone\u010dnou instalaci zkontrolovat podle p\u0159\u00edslu\u0161n\u00e9 dokumentace k syst\u00e9mu.<\/p>\n\n\n\n

Zve\u0159ejn\u011bn\u00e9 GSP10-C40N, p\u0159ep\u011b\u0165ov\u00e1 ochrana typu 2 pro st\u0159\u00eddav\u00e9 nap\u011bt\u00ed<\/a> uv\u00e1d\u00ed \u010dty\u0159i ozna\u010den\u00ed konfigurac\u00ed: 2P, 1+NPE, 4P a 3+NPE. Tato ozna\u010den\u00ed slou\u017e\u00ed k orientaci v konfigurac\u00edch; nejedn\u00e1 se o instala\u010dn\u00ed pokyny.<\/p>\n\n\n\n

3. V\u00fdb\u011br a ov\u011b\u0159en\u00ed maxim\u00e1ln\u00edho trval\u00e9ho provozn\u00edho nap\u011bt\u00ed, Uc<\/h2>\n\n\n\n

Uc je maxim\u00e1ln\u00ed nap\u011bt\u00ed, kter\u00e9 lze na SPD nep\u0159etr\u017eit\u011b p\u0159iv\u00e1d\u011bt za dokumentovan\u00fdch podm\u00ednek. Nesm\u00ed b\u00fdt pova\u017eov\u00e1no za jmenovit\u00e9 s\u00ed\u0165ov\u00e9 nap\u011bt\u00ed uveden\u00e9 na \u0161t\u00edtku. Zaznamenejte skute\u010dn\u00e9 s\u00ed\u0165ov\u00e9 nap\u011bt\u00ed a zp\u016fsob p\u0159ipojen\u00ed a pot\u00e9 vyberte hodnotu Uc z p\u0159\u00edslu\u0161n\u00e9 tabulky v\u00fdrobce.<\/p>\n\n\n\n

Model GSP10-C40N nab\u00edz\u00ed varianty jmenovit\u00e9ho nap\u011bt\u00ed (Uc) 275 V, 320 V a 385 V st\u0159\u00eddav\u00e9ho proudu. \u010cl\u00e1nek tyto varianty automaticky nep\u0159id\u011bluje k nap\u011bt\u00ed dan\u00e9ho projektu; kupuj\u00edc\u00ed mus\u00ed pro konkr\u00e9tn\u00ed syst\u00e9m potvrdit spr\u00e1vnou variantu.<\/p>\n\n\n\n

4. Odd\u011blte In a Imax<\/h2>\n\n\n\n

In je jmenovit\u00fd v\u00fdbojov\u00fd proud a Imax je maxim\u00e1ln\u00ed v\u00fdbojov\u00fd proud. Tyto veli\u010diny odpov\u00eddaj\u00ed na r\u016fzn\u00e9 ot\u00e1zky a mus\u00ed b\u00fdt v\u017edy spojeny s uveden\u00fdm pr\u016fb\u011bhem sign\u00e1lu a zdrojem. \u010c\u00edslo, kter\u00e9 se zd\u00e1 b\u00fdt v\u011bt\u0161\u00ed, nem\u016f\u017ee nahradit hodnotu v druh\u00e9m poli.<\/p>\n\n\n\n

U typu GSP10-C40N uv\u00e1d\u00ed ov\u011b\u0159en\u00fd z\u00e1znam o v\u00fdrobku hodnoty 20 kA a Imax 40 kA, v obou p\u0159\u00edpadech s pr\u016fb\u011bhem 8\/20 mikrosekund. Tyto hodnoty plat\u00ed v\u00fdhradn\u011b pro tento konkr\u00e9tn\u00ed z\u00e1znam o produktov\u00e9 \u0159ad\u011b a nesm\u00ed b\u00fdt p\u0159eneseny na jinou p\u0159\u00edponu GEYA ani na nesouvisej\u00edc\u00ed SPD.<\/p>\n\n\n\n

5. Zkontrolujte \u00farove\u0148 ochrany proti p\u0159ep\u011bt\u00ed, nahoru<\/h2>\n\n\n\n

Hodnota \u201eUp\u201c ud\u00e1v\u00e1 \u00farove\u0148 nap\u011b\u0165ov\u00e9 ochrany za zdokumentovan\u00fdch zku\u0161ebn\u00edch podm\u00ednek. Ov\u011b\u0159te hodnotu pro zvolen\u00e9 Uc a ochrannou cestu, m\u00edsto abyste uv\u00e1d\u011bli jednu hodnotu platnou pro celou \u0159adu bez kontextu.<\/p>\n\n\n\n

Z\u00e1znam GSP10-C40N uv\u00e1d\u00ed hodnotu L-N Up 1,5 kV pro varianty Uc 275 V a 320 V a 1,8 kV pro variantu 385 V. V p\u0159\u00edpadech, kde se tato ochrann\u00e1 cesta uplat\u0148uje, je uvedena samostatn\u00e1 hodnota N-PE. Tyto hodnoty plat\u00ed pouze pro dan\u00fd model a topologii.<\/p>\n\n\n\n

\"Tabulka
Ka\u017ed\u00e9 pole odpov\u00edd\u00e1 jin\u00e9 v\u00fdb\u011brov\u00e9 ot\u00e1zce. Hodnoty z r\u016fzn\u00fdch variant, reviz\u00ed nebo produktov\u00fdch architektur AC\/DC se nesm\u00ed kombinovat.<\/figcaption><\/figure>\n\n\n\n

6. Pova\u017eujte ochranu na po\u010d\u00e1tku procesu za samostatnou f\u00e1zi posuzov\u00e1n\u00ed d\u016fkaz\u016f<\/h2>\n\n\n\n

Za\u0159\u00edzen\u00ed SPD m\u016f\u017ee vy\u017eadovat koordinovanou pojistku nebo jisti\u010d v p\u0159edch\u00e1zej\u00edc\u00edm \u00faseku, av\u0161ak typ a jmenovitou hodnotu za\u0159\u00edzen\u00ed nelze odvodit z hodnoty Imax, z fotografie v\u00fdrobku ani z p\u0159ilehl\u00e9ho katalogu. Pou\u017eijte p\u0159esnou instala\u010dn\u00ed dokumentaci v\u00fdrobce a zohledn\u011bte p\u0159edpokl\u00e1dan\u00e9 podm\u00ednky zkratu v m\u00edst\u011b instalace.<\/p>\n\n\n\n

Souvisej\u00edc\u00ed Jisti\u010d v lisovan\u00e9m pouzd\u0159e GYCM8<\/a> jedn\u00e1 se o souvisej\u00edc\u00ed \u0159adu ochrann\u00fdch za\u0159\u00edzen\u00ed, nikoli o zdokumentovanou kombinaci z\u00e1lo\u017en\u00ed ochrany GSP10-C40N.<\/p>\n\n\n\n

Publikovan\u00fd p\u0159\u00edklad p\u0159ep\u011b\u0165ov\u00e9 ochrany RITOKS typu 2 pro st\u0159\u00eddav\u00e9 nap\u011bt\u00ed<\/h2>\n\n\n\n
Zve\u0159ejn\u011bn\u00e9 pole<\/th>D\u016fkazy t\u00fdkaj\u00edc\u00ed se GSP10-C40N<\/th>Vyu\u017eit\u00ed v\u00fdb\u011bru<\/th><\/tr><\/thead>
Klasifikace<\/td>Typ 2<\/td>Pou\u017e\u00edvejte v\u00fdhradn\u011b explicitn\u00ed formulace.<\/td><\/tr>\n
Uc<\/td>275 \/ 320 \/ 385 V st\u0159\u00eddav\u00e9ho proudu<\/td>Ov\u011b\u0159te, jak\u00e1 varianta je pro dan\u00fd syst\u00e9m spr\u00e1vn\u00e1.<\/td><\/tr>\n
V<\/td>20 kA, 8\/20 mikrosekund<\/td>Uchov\u00e1vejte odd\u011blen\u011b od Imaxu.<\/td><\/tr>\n
Imax<\/td>40 kA, 8\/20 mikrosekund<\/td>Nepova\u017eujte to za opakuj\u00edc\u00ed se provozn\u00ed proud.<\/td><\/tr>\n
Nahoru (L\u2013N)<\/td>1,5 \/ 1,5 \/ 1,8 kV s volitelnou funkc\u00ed Uc<\/td>Zachovejte mapov\u00e1n\u00ed beze zm\u011bn.<\/td><\/tr>\n
Topologie<\/td>2P \/ 1+NPE \/ 4P \/ 3+NPE<\/td>Konfigurace obrazovek; vy\u017e\u00e1dejte si p\u0159esnou dokumentaci.<\/td><\/tr>\n
Mont\u00e1\u017e<\/td>35mm li\u0161ta DIN<\/td>Po\u017eadavky na kryt a instalaci si ov\u011b\u0159te samostatn\u011b.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Prohl\u00e9dn\u011bte si Za\u0159\u00edzen\u00ed na ochranu p\u0159ed p\u0159ep\u011bt\u00edm v st\u0159\u00eddav\u00e9m proudu<\/a> kategorie pro aktu\u00e1ln\u011b zve\u0159ejn\u011bnou rodinu.<\/p>\n\n\n\n

Informace, kter\u00e9 je t\u0159eba uv\u00e9st v \u017e\u00e1dosti o nab\u00eddku (RFQ) t\u00fdkaj\u00edc\u00ed se za\u0159\u00edzen\u00ed SPD pro st\u0159\u00eddav\u00fd proud<\/h2>\n\n\n\n