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l(f)ڣ[2009-2-3]    [3088]ΡЇ(gu)늚Ј(chng)ُ(gu)W(wng)[EM39.com]{(bio)pԄ(dng)L}
      ·ϵy(tng)Ҫıo(h)֮һҲǹƵıo(h)Ҫ·^(gu)dӵعϡʧԼǷ늉o(h)(j)ͬҪ·䲻ͬ^ÓÓǔ·wһ(g)Mɲ֣^tͨ^(gu)c·C(j)(gu)BǷ늉Óք(l)Ó(li)Ɣ·͉·һÓ(li)䱣o(h)(bio)͉·Եą(sh)ܶ׻O(sh)Ӌ(j)ļژ(bio)·ֵr(sh)f(shu)ֵxo؛ɻyҪ(zhn)_x·ؘ(bio)·ĸ(g)(sh)DZҪ 1 ·~(sh)(gu)(bio)͉_(ki)P(gun)O(sh)ͿO(sh) ͉·GBl4048.294(ЧIEC9472)(du)·~ʹÃɂ(g)·~1n͔·ܵȼ(j)~1nmo¶x ·~1nָÓL(zhng)ͨ^(gu)ҲÓ~(du){(dio)ʽÓĔ·tÓL(zhng)ͨ^(gu) ·ܵȼ(j)~lnmû׺γߴͬͽY(ji)(gu)ƵĿܻ⚤bÓ~ʾ(gu)(bio)GBl4048.294Ќ(du)·~Ķxc҂ͨf(shu)ĸЩͬ(dng)҂ἰ·~@һr(sh)ָͨ·ܵȼ(j)~ǡÓ~箔(dng)҂xһֻDZ20Y100330080A͔·r(sh)ͨ҂(jin)εf(shu)~100AÓ~80A(sh)͉·(yng)ṩĮa(chn)ƷYҲһ㲻ᡰ·ܵȼ(j)~@һ(f)sf(shu)ֻo·~@һ(sh)䌍(sh)ǡ·~顰·ܵȼ(j)~һN(jin)Q(chng)ƺ^mҲS(bio)(zhn)Ќ(du)~Ķxcƽr(sh)ʹõIJһnj(do)»yԭ֮һ ·ܵȼ(j)~ǘ(bio)·Ŀͨą(sh)Ҫ|^ͨQҲQܰbÓ~ֵx·r(sh)˅(sh)Dzȱٵ 2 ^(gu)Ó(sh)·Óʽ^(gu)ÓǷ늉Óք(l)Ó^(gu)Ó߀ɷ֞^(gu)dÓͶ·(늴)ÓL(zhng)ӕr(sh)ӕr(sh)˲r(sh)֮^(gu)Ó鳣á^(gu)Ó(dng)ֵǹ̶Ļǿ{(dio){(dio)(ji)r(sh)ͨo{(dio)(ji)ܗU늴ʽ^(gu)Óȿǹ̶Ҳǿ{(dio)ʽ^(gu)Óͨǿ{(dio)^(gu)Óbʽֿɷ̶֞bʽģKbʽ̶bʽÓ͔·wӹһwһSÓ~{(dio)(ji)DZ20ͣģKbʽÓ·һ(g)bģKSr(sh){(dio)Q`Ժ܏(qing)MerlinGerin˾NS(bio)^(gu)ӎׂ(g)(sh) Ó~1nָÓL(zhng)ͨ^(gu) L(zhng)ӕr(sh)^(gu)dÓ(dng)ֵIr̶ʽÓ1r=In{(dio)ʽÓIrÓ~1nı(sh)1r=0.41×1n ӕr(sh)늴Ó(dng)ֵIm^(gu)dÓ(dng)ֵIrı(sh)(sh)̶{(dio)Im=210×Ir(du){(dio)ʽxһm(dng)?sh)ֵ?˲r(sh)늴Ó(dng)~ֵImÓ~Inı(sh)(sh)̶{(dio)Im=1.511×In(du){(dio)ʽxһm(dng)?sh)ֵ?3 ·Ķ·(sh) 3.1 ~·?jn)Icn ·~·?jn)Icn(yng)IcuIcsʾھwa(chn)Ʒ(bio)(zhn)д_ 3.2 ~O޶·?jn)Icu ~O޶·?jn)Icuǔ·Ҏ(gu)ԇ(yn)늉Ҏ(gu)lµĘO޶·?jn)ֵ֮A(y)ڶ·ʾҪҎ(gu)ԇ(yn)otco(dng)֮]·^m(x)d~ oʾ?jn)?coʾͨo?jn)?tʾɂ(g)^֮gĕr(sh)ggһ㲻С3min 3.3 ~\(yn)ж·?jn)Ics ~\(yn)ж·?jn)Icsָ·Ҏ(gu)ԇ(yn)늉Ҏ(gu)lµһN~O޶·?jn)Сķ֔(jn)ֵIcsIcuһ(g)ٷ?jn)?sh)ڰҎ(gu)ԇ(yn)otcotco(dng)֮·(yng)^m(x)d~(du)~·?jn)?500AС͔·(gu)(bio)ü(li)ƈ(chng)Ô·GBl0963(ЧIECB98)Ҏ(gu)(yng)M(jn)~O޶·?jn)Icu~\(yn)ж·?jn)Icsԇ(yn)(dng)Icu6000Ar(sh)Icu=IcsֻIcsԇ(yn)Ԙ(bio)·?jn)?500A6000AС͔·Icu=Ics=Icnһֻἰ~·?jn)Icnֵ 3.4 ~̕r(sh)Icw ~̕r(sh)Icwָ·Ҏ(gu)ԇ(yn)l¶̕r(sh)gֵܵ(du)ڽֵA(y)ڶ·ڷЧֵc~̕r(sh)P(gun)ĕr(sh)gٞ0.05s 4 (bio)·(sh)·Ķ·(sh)IcuIcsIcwx·r(sh)迼]·̖(ho)͚ܵȼ(j)~InmxѴ_ʲ(bio)·~(sh)xÓ(sh)(j)(sh)Hr(bio) 4.1 С͔·MCB(Miniature CircuitBreaker) (du)ڌܚ^(gu)ÓӹһwС͔·MCBMerlinGerin˾C45NϵABB˾S230ϵٹ˾E4CBϵ(gu)a(chn)DZXl9ϵеȣһa(chn)ƷYֻṩ·~һ(g)ֵ˅(sh)Д·ܵȼ(j)~InmÓ~InL(zhng)ӕr(sh)^(gu)dÓ(dng)ֵIrغxҲInm=In=Ir˲r(sh)늴Ó(dng)~ֵImһ̶ֵxС͔·r(sh)ֻoһ(g)ֵ(hu)a(chn)x 4.2 ܚʽ·MCCB(MouldedCaseCircultBreaker) ܚʽ·a(chn)ƷN(li)(bio)^(f)s(gu)a(chn)DZ20ϵABB˾SACEModulϵСMerlinGerin˾CompactNSϵо鳣õܚʽ·(dng)·b̶ʽ^(gu)Ór(sh)Ó~InL(zhng)ӕr(sh)^(gu)dÓ(dng)ֵIrͬIn=IrDZ20ϵTCϵHϵД·ٴ˷Nr˕r(sh)Ҫ(bio)ɂ(g)ֵ·ܵȼ(j)~InmÓ~In(L(zhng)ӕr(sh)^(gu)dÓ(dng)ֵIr)˲r(sh)Ó(dng)ֵIm̶ֵһ㲻(bio)(dng)·b{(dio)ģKʽ^(gu)Ór(sh)Óĸ(g)_(bio)Ș(bio)·ܵȼ(j)~InmȻ(bio)xÓ̖(ho)Óĸ(g)ֵ箔(dng)xMerlinGerin˾CompactNSϵД·r(sh)o(sh) NSl00HImm=100ASTR22SE40AÓIn=40AIr=0.8In(32A)Im=5Ir (160a)Im11In(̶ֵ) 4.3 ʽ·ACB(AirCircuitBreaker) ʽ·b{(dio)ģKʽ^(gu)Ó^MEDWl5DWXl5MerlinGerin˾MasterpactϵABB˾ASCEMegamaxFϵеȡ(bio)ע(sh)r(sh)Ș(bio)·ܵȼ(j)~InmȻ(bio)xÓÓĸ(g)ֵ


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