ГОСТ 21991-89
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<title>Îáîðóäîâàíèå ýëåêòðîòåõíè÷åñêîå. Àïïàðàòû ýëåêòðè÷åñêèå. Íàïðàâëåíèå äâèæåíèÿ îðãàíîâ óïðàâëåíèÿ</title>
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<div class=Section1>
<p class=MsoNormal align=center style='margin-bottom:12.0pt;text-align:center'><img width=134 height=141
src="img\37565.jpg" v:shapes="_x0000_i1025"></p>
<div style='border:none;border-bottom:solid windowtext .75pt;padding:0cm 0cm 1.0pt 0cm'>
<p class=MsoNormal align=center style='margin-bottom:12.0pt;text-align:center;
border:none;
padding:0cm;'><b style='mso-bidi-font-weight:
normal'><span style='font-size:12.0pt;
letter-spacing:2.0pt'>ÃÎÑÓÄÀÐÑÒÂÅÍÍÛÉ ÑÒÀÍÄÀÐÒ ÑÎÞÇÀ ÑÑÐ</span></b></p>
</div>
<p class=MsoNormal align=center style='margin-bottom:12.0pt;text-align:center;
'><b><span style='font-size:12.0pt'> </span></b></p>
<p class=MsoNormal align=center style='margin-bottom:12.0pt;text-align:center;
'><b><span style='font-size:12.0pt'>ÎÁÎÐÓÄÎÂÀÍÈÅ ÝËÅÊÒÐÎÒÅÕÍÈ×ÅÑÊÎÅ</span></b></p>
<p class=MsoNormal align=center style='margin-bottom:12.0pt;text-align:center;
'><b><span style='font-size:14.0pt'>ÀÏÏÀÐÀÒÛ ÝËÅÊÒÐÈ×ÅÑÊÈÅ</span></b></p>
<p class=MsoNormal align=center style='margin-bottom:12.0pt;text-align:center;
'><b><span style='font-size:12.0pt'>ÍÀÏÐÀÂËÅÍÈÅ ÄÂÈÆÅÍÈß ÎÐÃÀÍÎÂ ÓÏÐÀÂËÅÍÈß</span></b></p>
<p class=MsoNormal align=center style='margin-bottom:12.0pt;text-align:center;
'><span style='font-size:12.0pt'> </span></p>
<p class=MsoNormal align=center style='margin-bottom:12.0pt;text-align:center;
'><b><span style='font-size:12.0pt'>ÃÎÑÒ 21991-89 <br>
(ÌÝÊ 447-74, ÑÒ ÑÝÂ 6464-88)</span></b></p>
<p class=MsoNormal align=center style='margin-bottom:12.0pt;text-align:center;
'><b><span style='font-size:12.0pt'> </span></b></p>
<p class=MsoNormal align=center style='margin-bottom:12.0pt;text-align:center;
'><b><span style='font-size:12.0pt'> </span></b></p>
<p class=MsoNormal align=center style='margin-bottom:12.0pt;text-align:center;
'><b><span style='font-size:12.0pt'> </span></b></p>
<p class=MsoNormal align=center style='text-align:center;'><b><span style='font-size:12.0pt'>ÃÎÑÓÄÀÐÑÒÂÅÍÍÛÉ ÊÎÌÈÒÅÒ
ÑÑÑÐ ÏÎ ÓÏÐÀÂËÅÍÈÞ <br>
ÊÀ×ÅÑÒÂÎÌ ÏÐÎÄÓÊÖÈÈ È ÑÒÀÍÄÀÐÒÀÌ</span></b></p>
<p class=MsoNormal align=center style='margin-bottom:12.0pt;text-align:center;
'><b><span style='font-size:12.0pt;letter-spacing:2.0pt'>Ìîñêâà</span></b></p>
<p class=MsoNormal align=center style='margin-bottom:12.0pt;text-align:center;
'><span style='font-size:12.0pt;
letter-spacing:2.0pt'> </span></p>
<p class=MsoNormal align=center style='text-align:center;'><b><span style='font-size:12.0pt;letter-spacing:
2.0pt'>ÃÎÑÓÄÀÐÑÒÂÅÍÍÛÉ ÑÒÀÍÄÀÐÒ ÑÎÞÇÀ ÑÑÐ</span></b></p>
<div align=center>
<table border=1 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%;
border-collapse:collapse;border:none;
'>
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<td width=564 valign=top style='width:338.55pt;border-top:solid windowtext .5pt;
border-left:none;border-bottom:solid windowtext .5pt;border-right:none;
padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal align=center style='margin-top:6.0pt;text-align:center;
'><b><span style='font-size:12.0pt'>Îáîðóäîâàíèå ýëåêòðîòåõíè÷åñêîå</span></b></p>
<p class=MsoNormal align=center style='margin-top:6.0pt;text-align:center;
'><b><span style='font-size:12.0pt'>ÀÏÏÀÐÀÒÛ ÝËÅÊÒÐÈ×ÅÑÊÈÅ</span></b></p>
<p class=MsoNormal align=center style='margin-top:6.0pt;text-align:center;
'><b><span style='font-size:12.0pt'>Íàïðàâëåíèå äâèæåíèÿ îðãàíîâ óïðàâëåíèÿ</span></b></p>
<p class=MsoNormal align=center style='margin-top:6.0pt;margin-right:0cm;
margin-bottom:6.0pt;margin-left:0cm;text-align:center;'><span style='font-size:12.0pt;
mso-ansi-language:EN-US'>Electrotechnical equipment. Standard directions of
movement for actuators which control the operation of electrical apparatus</span><b></b></p>
</td>
<td width=210 style='width:125.95pt;border-top:solid windowtext .5pt;
border-left:none;border-bottom:solid windowtext .5pt;border-right:none;
padding:0cm 5.4pt 0cm 5.4pt'>
<p class=MsoNormal align=center style='margin-top:6.0pt;margin-right:0cm;
margin-bottom:6.0pt;margin-left:0cm;text-align:center;'><b><span style='font-size:14.0pt'>ÃÎÑÒ <br>
21991-89</span></b></p>
<p class=MsoNormal align=center style='margin-top:6.0pt;margin-right:0cm;
margin-bottom:6.0pt;margin-left:0cm;text-align:center;'><b><span style='font-size:12.0pt'>(ÌÝÊ 447-74, <br>
CT ÑÝÂ 6464-88)</span></b></p>
</td>
</tr>
</table>
</div>
<p class=MsoNormal align=right style='margin-top:6.0pt;text-align:right;
'><b><span style='font-size:12.0pt'>Ñðîê äåéñòâèÿ <u>ñ 01.07.90</u></span></b></p>
<p class=MsoNormal align=right style='text-align:right;'><b><u><span style='font-size:12.0pt'>äî 01.07.95</span></u></b></p>
<h1><a name="_Toc130105059">1. ÂÂÅÄÅÍÈÅ</a></h1>
<p class=MsoNormal style='text-align:justify;text-indent:14.15pt'><span style='font-size:12.0pt'>Íàñòîÿùèé
ñòàíäàðò óñòàíàâëèâàåò ñâÿçü ìåæäó íàïðàâëåíèåì âîçäåéñòâèÿ ðóêè îïåðàòîðà íà îðãàí
óïðàâëåíèÿ ýëåêòðè÷åñêèì àïïàðàòîì è ðåçóëüòèðóþùèì äåéñòâèåì, âûçûâàåìûì ýòèì
âîçäåéñòâèåì, ÷òî îñîáåííî âàæíî äëÿ áåçîïàñíîñòè, êîãäà îøèáî÷íî ïðîèçâåäåííîå
äâèæåíèå ìîæåò ñîçäàòü îïàñíóþ ñèòóàöèþ èëè êîãäà íåîáõîäèìû ÷àñòûå ëèáî
áûñòðûå äåéñòâèÿ îïåðàòîðà (íàïðèìåð, äëÿ êðàíîâ, âàãîíåòîê è äðóãèõ ñðåäñòâ
äîñòàâêè, è, â îñîáåííîñòè, äëÿ óñòðîéñòâ, îáû÷íî èñïîëüçóåìûõ ïîòðåáèòåëåì).</span></p>
<p class=MsoNormal style='text-align:justify;text-indent:14.15pt'><span style='font-size:12.0pt'>Óñòàíîâëåíî, ÷òî
ñòàíäàðòíûå íàïðàâëåíèÿ äâèæåíèÿ íå ìîãóò áûòü ñòðîãî ñîáëþäåíû ïðè âñåõ
îáñòîÿòåëüñòâàõ. Ñëåäîâàòåëüíî, â èñêëþ÷èòåëüíûõ ñëó÷àÿõ äîïóñêàþòñÿ îòêëîíåíèÿ
îò òðåáîâàíèé íàñòîÿùåãî ñòàíäàðòà.</span></p>
<h1><a name="_Toc130105060">2. ÎÁËÀÑÒÜ
ÐÀÑÏÐÎÑÒÐÀÍÅÍÈß</a></h1>
<p class=MsoNormal style='text-align:justify;text-indent:14.15pt'><span style='font-size:12.0pt'>Íàñòîÿùèé
ñòàíäàðò ðàñïðîñòðàíÿåòñÿ íà ðó÷íûå îðãàíû óïðàâëåíèÿ (ìàõîâèêè, ðóêîÿòêè, ðó÷êè,
âðàùàþùèåñÿ êíîïêè, ðû÷àãè, íàæèìíûå êíîïêè, ñêîáû, øíóðû è ò.ä.)
ýëåêòðè÷åñêèìè àïïàðàòàìè (ðåãóëèðóåìûìè ðåçèñòîðàìè, êîíòðîëëåðàìè,
âûêëþ÷àòåëÿìè íàãðóçêè è äð.). Ýëåêòðè÷åñêèå àïïàðàòû, óïðàâëÿåìûå òàêèì
îáðàçîì, ìîãóò ïðåäñòàâëÿòü ñîáîé ñàìîñòîÿòåëüíóþ ôóíêöèîíàëüíóþ åäèíèöó èëè
áûòü ñîñòàâíîé ÷àñòüþ áîëåå êðóïíîãî àãðåãàòà ýëåêòðè÷åñêîãî èëè
íåýëåêòðè÷åñêîãî îáîðóäîâàíèÿ, íàïðèì