GB 4943-01

1135GB4943-2001GB4943-2001EqvIEC609501999Safetyofinformationtechnologyequipment2135GB4943-2001.IEC60950:1999.GB4943GB4943-1990IEC950:1986GB4943-1995IEC950-1991IEC609506..GB4943-1995.ABCDEFGHJKLMNPUV.QRSTWX.....19901228.19951221.3135GB4943-2001IEC1)IECIEC.IEC..IEC.IEC.IECIECISO.2)IEC.3).4)IECIEC.IEC.5)IEC.6).IEC.IEC60950IEC74IT.199111992+21993+31993+41996.FDIS74/498/FDIS74/504/RVD.ABCDEFGHJKLMNPUV.QRSTWX.1.24135GB4943-2001001.............0.25135GB4943-20010.2.1...0.5mA..42.4V60V.......42.4V60V.....EMC0.2.26135GB4943-2001...0.2.3..0.2.4.0.2.5.7135GB4943-20010.2.6.0.2.7.0.3..8135GB4943-2001GB49432001eqvIEC609501999GB49431995Safteyofinformationtechnologyequipment1.1.11.1.1600V....64..........1.1.22000mT.1.1.39135GB4943-2001.1.2..1.2.11.2.1.1ratedvoltage.1.2.1.2ratedvoltagerange.1.2.1.3ratedcurrent.1.2.1.4ratedfrequency.1.2.1.5ratedfrequencyrange.1.2.21.2.2.1normalload..L.1.2.2.2ratedoperatingtime.1.2.2.3continuousoperation.1.2.2.4short-timeoperation.1.2.2.5intermittentoperation.1.2.31.2.3.1movableequipment18Kg..1.2.3.2hand-heldequipment.1.2.3.3transportableequipment.CD-ROM.1.2.3.4stationaryequipment.1.2.3.5equipmentforbuilding-in..1.2.3.6directplug-inequipment.10135GB4943-20011.2.41.2.4.1IclassIequipment.I1.2.4.2IIclassIIequipment.1.2.4.3IIIclassIIIequipmentSELV.III.1.2.51.2.5.1ApluggableequipmenttypeA.1.2.5.2BpluggableequipmenttypeBGB/T11918.1.2.5.3permanentlyconnectedequipment.1.2.5.4detachablepowersupplycord.1.2.5.5non-detachablepowersupplycord...1.2.61.2.6.1enclosure1.2.6.21.2.6.31.2.6.4...1.2.6.2fireenclosure.1.2.6.3mechanicalenclosure.1.2.6.4electricalenclosureTNV.1.2.6.5decorativepart.1.2.71.2.7.1operatoraccessarea11135GB4943-2001.1.2.7.2serviceaccessarea.1.2.7.3restrictedaccesslocation.1.7.17.2.34.1.2.7.4tool.1.2.7.5body.1.2.7.6safetymeterlock.1.2.81.2.8.1Acmainssupply.1.45.V.1.2.8.2primarycircuit..1.211.6.1.2.8.3secondarycircuit.1.2.11.6.1.2.8.4hazardousvoltageTNV42.4V60VSELV.1.2.8.5ELV()ELVextra-lowvoltagecircuit1.4.942.4V60V.SELV.1.2.8.6SELVSELVsafetyextra-lowvoltagecircuit.1.1.4.143.21A.2.SELVIEC61140SELV.1.2.8.7limitedcurrentcircuit.1.4.1.12.4.1.2.8.8hazardousenergylevel20J2V240VA.12135GB4943-20011.2.8.9TNVTNVtelecommunicationnetworkvoltagecircuit1.4.14.TNV.11.4.142.3.1TNV2.1.1.1.1.2.8.101.2.8.111.2.8.12TNVTNV-1TNV-2TNV-3.2SELVTNV1A.3TNV.4.2.11.61ASELVSELVSELVTNVTNV-1TNV-3SELVTNV-21.2.8.10TNV-1TNV-1circuitSELVTNV.1.2.8.11TNV-2TNV-2circuitSELVTNV.1.2.8.12TNV-3TNV-3circuitSELVTNV.1.2.91.2.9.1functionalinsulation...1.2.9.2basicinsulation.1.2.9.3supplementaryinsulation.1.2.9.4doubleinsulation.1.2.9.5reinforcedinsulation...1.2.9.6workingvoltage.1.2.9.7peakworkingvoltage.1.2.9.8requiredwithstandvoltage.1.2.9.9mainstransientvoltage.1.2.9.10telecommunicationnetworktransientvoltage.13135GB4943-20011.2.10.1.2.10.1clearance.1.2.10.2creepagedistance.1.2.10.3boundingsurface.1.2.111.2.11.1thermostat..1.2.11.2temperaturelimiter..1.2.11.3thermalcut-out..1.2.11.4thermalcut-outautomaticreset.1.2.11.5thermalcut-outmanualreset.1.2.11.6interconnectingcable..1.2.121.2.12.1flammabilityclassificationofmaterials.A1.2.12.21.2.12.9.1HF-1HF-2HF-2HBF.5VV-0V-1V-1V-2V-2HB.1.2.12.2V-0V-0classmaterialA6.1.2.12.3V-1V-1classmaterialA6.1.2.12.4V-2V-2classmaterialA6.1.2.12.55V5VclassmaterialA9.1.2.12.6HF-1HF-1classfoamedmaterialA7.1.2.12.7HF-2HF-2classfoamedmaterialA7.14135GB4943-20011.2.12.8HBHBclassmaterialA8.1.2.12.9HBFHBFclassfoamedmaterialA7.1.2.12.10explosionlimit.1.2.131.2.13.1typetest.1.2.13.2samplingtest.[IEV151-04-17]1.2.13.3routinetest.[IEV151-04-16]1.2.13.4DCvoltage—10%.—10%.1.2.13.5servicepersonnel.1.2.13.6user...1.2.13.7operator1.2.13.61.2.13.8telecommunicationnetwork.TVSELV1.SELVTNV.2——3ISDN.1.2.13.9functionalearthing.[IEV195-01-13]1.2.13.10protectiveearthingconductor..1.2.13.11protectivebondingconductor.15135GB4943-20011.2.13.12touchcurrent..1.2.13.13protectiveconductorcurrent.1.31.3.1..1.3.21.4.14.1.3.3.1.4.5.1.3.4..1.3.5..1.3.6..4.14.54.65.3.1.3.7.1.3.8.1.3.9.1.41.4.1...1.4.2.1.4.3....116135GB4943-2001***.2.1.4.41.4.51.4.6**.1.4.5EUT.+10%-10%.1.2.8.1.1.4.6EUT50Hz60Hz500.5Hz.1.4.7..1.4.8ELVSELVTNV.1.4.92.6.1..500010%..1.4.101.7.517135GB4943-2001..1.4.1115VA.1.4.12TmaxTmax25C..Tmab.CTmaxT-TambTmax-TmraTmaxT-TambTmax+25-TmraTTmra25C.Tmra.1.4.13E....1.4.14....***SELV*.1.51.5.1IEC.1IEC.SELVELV2.2.2.1.5.2IEC..IEC.1.5.318135GB4943-2001K.1.5.4C.1.5.5.1.5.6GB/T144721998X1X2.GB/T1447219984.1221d.GB/T144721998Y1Y2Y4..5.2.2..1.5.7.1.5.7.11.5.7.3.1.5.7.1GB/T144721998Y1GB/T144721998Y2Y4.Y1.1.5.7.2.2.10.32.10.4.1.5.7.31.5.7.11.5.7.22.4.1.5.8ITIT.GB/T144721998Y1Y2Y4.11.7.2ITVV7..1.61.6.1TNTTIT.VTN-S.1.6.210%..1.7.1....19135GB4943-20011.6.3250V..1.6.4...1.7.2.1.1.22.6.12.7.12.7.63.4.114.14.3.34.3.54.4.24.6.25.1.73.5mA5.1.8.26.1.2.21.7.1.....18Kg..---V.220V-220V/220V220V.1::---:220V-240V.220V240V.---:120/220/240V.120V220V240V,..——3+3W+PE.2::120/220V:3+PE120/220V:3W+(GB/T5465.25019)100/220V:2W+N+PE---(GB/T5465.2-5031)---50Hz50Hz---maA../.20135GB4943-2001...3120/220V2.4/1.2A:100V240V;2.8V100V240V;2.8-1.1V200V240V;1.4V------.---(GB/T5465