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1 защитный импеданс
защитный импеданс
Компонент, совокупность компонентов или комбинация основной изоляции и устройства, ограничивающего ток или напряжение, импеданс, конструкция и надежность которых таковы, что, будучи включенными между доступными токопроводящими частями и частями, опасными для жизни, они обеспечивают защиту в соответствии с требованиями настоящего стандарта при нормальных условиях и условиях единичной неисправности.
[ ГОСТ Р 52319-2005( МЭК 61010-1: 2001)]
защитный импеданс
Импеданс, включенный между токоведущими частями и доступными проводящими частями конструкций класса II; характеристики его должны быть такими, чтобы ток, проходящий в приборе при нормальной эксплуатации и при возможных повреждениях прибора, ограничивался безопасным значением.
[ ГОСТ Р 52161. 1-2004 ( МЭК 60335-1: 2001)]EN
protective impedance
an impedance connected between live parts and exposed conductive parts, of such value that the current, in normal use and under likely fault conditions in the electronic switch, is limited to a safe value, and which is so constructed that the reliability is maintained throughout the life of the electronic switch
[IEV number 442-04-24]FR
impédance de protection
impédance connectée entre parties actives et masse, de valeur telle que le courant, en utilisation normale et dans des conditions possibles de panne de l'interrupteur électronique, soit limité à une valeur de sécurité, et qui est construite de façon telle que sa fiabilité soit maintenue au cours de la durée de vie de l'interrupteur électronique
[IEV number 442-04-24]Тематики
Обобщающие термины
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Русско-немецкий словарь нормативно-технической терминологии > защитный импеданс
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2 doubtful
adjective1) (sceptical) skeptisch [Mensch, Wesen]2) (showing doubt) ungläubig [Gesicht, Blick, Stirnrunzeln]3) (uncertain) zweifelndbe doubtful as to or about something — an etwas (Dat.) zweifeln
4) (causing doubt) fraglich5) (uncertain in meaning etc.) ungewiss [Ergebnis, Ausgang, Herkunft, Aussicht]; (questionable) zweifelhaft [Ruf, Charakter, Wert, Autorität]; (ambiguous) unklar [Bedeutung]; (unsettled) unsicher [Lage]6) (unreliable) zweifelhaft [Maßstab, Stütze]7) (giving reason to suspect evil) bedenklich [Gewohnheit, Spiel, Botschaft]* * *1) (feeling doubt; uncertain what to think, expect etc: He is doubtful about the future of the school.) in Zweifel3) (uncertain but rather unlikely, unhopeful etc: It is doubtful whether this will work; a doubtful improvement.) zweifelhaft4) (suspicious: He's rather a doubtful character.) zweifelhaft* * *doubt·ful[ˈdaʊtfəl]1. (expressing doubt) zweifelnd, skeptischthe expression on her face was \doubtful sie blickte skeptisch2. (uncertain, undecided) unsicher, unschlüssig3. (unlikely) fraglich, ungewissit was \doubtful that the money would ever be found again es war unwahrscheinlich, dass das Geld jemals wiedergefunden würde▪ to be \doubtful whether [or if] ... zweifelhaft sein, ob..., nicht sicher sein, ob...4. (questionable) fragwürdig, zweifelhaftthis is in \doubtful taste at best dies zeugt doch von recht fragwürdigem Geschmack\doubtful advantage zweifelhafter Vorteil, zweifelhaftes Privileg\doubtful distinction fragwürdige Auszeichnung\doubtful honour zweifelhafte Ehre* * *['daUtfUl]adjto be doubtful about sth — an etw (dat) zweifeln
to be doubtful about doing sth — Bedenken haben, ob man etw tun soll
I was doubtful whether I could ever manage it — ich bezweifelte, ob ich es je schaffen könnte
to be doubtful of sb/sth — jdm/einer Sache (dat) nicht trauen
2) (= unlikely) reconciliation, improvement, victory unwahrscheinlichit is doubtful that... — es ist unsicher or zweifelhaft, ob...
3) (= questionable, dubious) reputation zweifelhaft, fragwürdig; future, outcome ungewiss; joke, taste, quality, value zweifelhaftinformation of doubtful reliability/origin — zweifelhafte Informationen
it is doubtful whether this could be managed — es ist fraglich, ob das zu schaffen wäre
4) (SPORT= unlikely to play)
he is doubtful for tonight's match — es ist fraglich, ob er heute Abend spielen kannshe is a doubtful starter for Saturday's race — es ist fraglich, ob sie in dem Rennen am Samstag starten wird
* * *doubtful adj (adv doubtfully)1. zweifelhaft:a) unsicher, unklarb) bedenklich, fragwürdigc) ungewiss, unsicher:he’s doubtful for tomorrow’s game SPORT sein Einsatz im morgigen Spiel ist fraglich;doubtful debts WIRTSCH Dubiosa, Dubiosen, zweifelhafte Forderungend) verdächtig, dubios (Person)2. zweifelnd, unsicher, unschlüssig:be doubtful that … bezweifeln, dass …* * *adjective1) (sceptical) skeptisch [Mensch, Wesen]2) (showing doubt) ungläubig [Gesicht, Blick, Stirnrunzeln]3) (uncertain) zweifelndbe doubtful as to or about something — an etwas (Dat.) zweifeln
4) (causing doubt) fraglich5) (uncertain in meaning etc.) ungewiss [Ergebnis, Ausgang, Herkunft, Aussicht]; (questionable) zweifelhaft [Ruf, Charakter, Wert, Autorität]; (ambiguous) unklar [Bedeutung]; (unsettled) unsicher [Lage]6) (unreliable) zweifelhaft [Maßstab, Stütze]7) (giving reason to suspect evil) bedenklich [Gewohnheit, Spiel, Botschaft]* * *adj.fraglich adj.zweifelhaftes adj.
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