>> P.1044
THENUMBERNEXTTOTHELOGOMARKINDICATESITEMSINSTOCKFOREACHBRAND.THEREISALWAYSAPOSSIBILITYOFDAMAGETOEQUIPMENTORRISKTOHUMANBODYDUETOEXPLOSIONDURINGWORKINTHEEXPLOSIVEATMOSPHERE(ACONDITIONWHICHEXPLOSIVEGASANDDUSTAREINCLUDEDORCOULDBEINCLUDEDINTHEAIR).THEREFORE,VARIOUSMEASURESSHOULDBETAKENFORSECURINGSAFETY.INPARTICULAR,FORELECTRICALMACHINERYANDAPPARATUS,THEMINISTRYOFHEALTH,LABOURANDWELFAREHASESTABLISHEDLEGALRULESCONCERNINGTHEUSEOFEXPLOSION-PROOFEQUIPMENT.INANEXPLOSIVEATMOSPHERE,NOCAUSEOFEXPLOSIONISNOTALLOWEDTOEXISTINEVERYPOINTFROMPOWERSOURCESTOMOTOR-DRIVENMACHINESORFROMFACILITIESINAWORKENVIRONMENTTOWORKINGTOOLS.CAREFULANDTHOROUGHMEASURESSHOULDBETAKENACCORDINGTOTHEWORKENVIRONMENTTOPREVENTEXPLOSIONANDTOWORKSAFELY.ABOUTEXPLOSIONPROOFSTRUCTURESTANDARD○HAZARDOUSPLACESSUITABLEFORUSEXHAZARDOUSPLACESNOTSUITABLEFORUSECLASSIFICATIONOFHAZARDOUSPLACESABOUTEXPLOSIONPROOFSTANDARDSOFELECTRICALMACHINERYANDAPPARATUS[LISTOFSTRUCTURALSTANDARDS]TYPESOFEXPLOSIONPROOFSTRUCTUREEXPLOSIONGRADEIGNITIONDEGREEDPRESSURE-RESISTANTANDEXPLOSIONPROOFSTRUCTURE1STANDARDSFORGASSESOFTHEEXPLOSIONPROOFGRADE12STANDARDSFORGASSESOFTHEEXPLOSIONPROOFGRADE23ASTANDARDSFORWATERGASANDHYDROGENBSTANDARDSFORCARBONDISULFIDECSTANDARDSFORACETYLENENSTANDARDSFORALLGASSESOFTHEEXPLOSIONPROOFGRADE3CLASSIFICATIONOFGASACCORDINGTOIGNITIONTEMPERATURETEMPERATURERISELIMITEXCEEDING450°CG1320°CEXCEEDING300°CANDNOTEXCEEDING450°CG2200°CEXCEEDING200°CANDNOTEXCEEDING300°CG3120°CEXCEEDING135°CANDNOTEXCEEDING200°CG470°CEXCEEDING100°CANDNOTEXCEEDING135°CG540°CEXCEEDING85°CANDNOTEXCEEDING100°CG630°COOILIMMERSIONEXPLOSIONPROOFSTRUCTUREFINTERNALPRESSUREEXPLOSIONPROOFSTRUCTUREESAFETYADDEDEXPLOSIONPROOFSTRUCTUREIINTRINSICALLYSAFEEXPLOSION-PROOFSTRUCTURESSPECIALEXPLOSIONPROOFSTRUCTURENOTE:THETEMPERATURERISELIMITSAREVALUESOBTAINEDBYSUBTRACTINGTHEUPPERLIMITOF40°COFTHESTANDARDAMBIENTTEMPERATUREFROMAPPROX.80%OFTHELOWERIGNITIONTEMPERATURELIMITSCORRESPONDINGTOEACHIGNITIONDEGREE.D2G4IGNITIONDEGREEEXPLOSIONGRADEPRESSURE-RESISTANTANDEXPLOSIONPROOFSTRUCTURE(EXAMPLE)TYPESANDSYMBOLSOFEXPLOSIONPROOFSTRUCTUREOFELECTRICALEQUIPMENTCLASSIFICATIONOFHAZARDOUSPLACESEXPLOSIONPROOFSTANDARDSTYPESANDSYMBOLSOFEXPLOSIONPROOFSTRUCTUREZERO-GRADEPLACEFIRST-GRADEPLACESECOND-GRADEPLACESTRUCTURALSTANDARDSINTRINSICALLYSAFEEXPLOSION-PROOFSTRUCTUREI○○○PRESSURE-RESISTANTANDEXPLOSIONPROOFSTRUCTUREDX○○SAFETYADDEDEXPLOSIONPROOFSTRUCTUREEXX○TECHNICALSTANDARDSINTRINSICALLYSAFEEXPLOSION-PROOFSTRUCTUREEXIA○○○INTRINSICALLYSAFEEXPLOSION-PROOFSTRUCTUREEXIBX○○PRESSURE-RESISTANTANDEXPLOSIONPROOFSTRUCTUREEXDX○○SAFETYADDEDEXPLOSIONPROOFSTRUCTUREEXEX○○ZERO-GRADEPLACEPLACEWHEREHAZARDOUSATMOSPHERECONTINUESUNDERNORMALCONDITIONSANDALSOEXISTSFORALONGPERIOD.■UPPERPARTSOFFLAMMABLEGASCONTAINERSORTANKS.■FLAMMABLEFLUIDCONTAINERSORSPACEABOVELIQUIDSURFACE,ETC.FIRST-GRADEPLACEPLACEWHEREHAZARDOUSATMOSPHERECOULDBEGENERATEDUNDERNORMALCONDITIONS.■PLACEWHEREEXPLOSIVEGASCOULDACCUMULATEANDITSCONCENTRATIONCOULDINCREASETOAHAZARDOUSLEVELUNDERNORMALCONDITIONS.■PLACEWHEREEXPLOSIVEGASCOULDBEOFTENEMITTEDDUETOREPAIR,MAINTENANCEORLEAKAGEANDITSCONCENTRATIONCOULDINCREASETOAHAZARDOUSLEVEL.SECOND-GRADEPLACEPLACEWHEREHAZARDOUSATMOSPHERECOULDBEGENERATEDUNDERUNUSUALCONDITIONS.■PLACEWHEREEXPLOSIVEGASCOULDLEAKINTHECASEOFACCIDENTORMALFUNCTIONANDITSCONCENTRATIONCOULDINCREASETOAHAZARDOUSLEVEL.■PLACEWHERE,THOUGHAFORCEDVENTILATIONSYSTEMISINSTALLEDTOPREVENTEXPLOSIVEGASFROMACCUMULATING,EXPLOSIVEGASCOULDACCUMULATEDUETOFAILUREOFTHEVENTILATIONSYSTEMANDITSCONCENTRATIONCOULDINCREASETOAHAZARDOUSLEVEL.■PLACEWHEREEXPLOSIVEGASCOULDACCUMULATETOAHAZARDOUSCONCENTRATIONAROUNDTHEFIRST-GRADEPLACEORINADJACENTROOMS.STH-04T-16STH-04X-16DIMENSIONSABLΦD4-ΦCAHNHEDENKID2STHDIMENSIONSABLΦD4-ΦCAHEHDENKID2STHNSHIMADATERMINALBOX(PRESSURE-RESISTANTANDEXPLOSIONPROOFSTRUCTURE/4-DIRECTIONAL)ORDERCODEITEMNO.PRICE(PERPIECE)MSRP(PERPIECE)NUMBEROFTERMINALSNA(MM)B(MM)C(MM)D(MM)E(MM)H(MM)H(MM)L(MM)SPQ(PIECE)WEIGHT(G)281-3092STH-04X-16￥7,560-4PPF1/21158161001287.5291301800281-3106STH-04X-22￥7,560-4PPF3/41158161001287.5291301800281-3114STH-04X-28￥7,560-4PPF11158161001287.5291301800CONTACTUS:03-3754-1711HTTP://WWW.SHIMADA-ELEC.CO.JP/SHIMADATERMINALBOX(PRESSURE-RESISTANTANDEXPLOSIONPROOFSTRUCTURE/3-DIRECTIONAL)ORDERCODEITEMNO.PRICE(PERPIECE)MSRP(PERPIECE)NUMBEROFTERMINALSNA(MM)B(MM)C(MM)D(MM)E(MM)H(MM)H(MM)L(MM)SPQ(PIECE)WEIGHT(G)281-3068STH-04T-16￥7,560-4PPF1/21158161001287.5291301800281-3076STH-04T-22￥7,560-4PPF3/41158161001287.5291301800281-3084STH-04T-28￥7,560-4PPF11158161001287.5291301800CONTACTUS:03-3754-1711HTTP://WWW.SHIMADA-ELEC.CO.JP/STOCK33ITEMSSTOCK33ITEMSORDERUNIT:1PIECE(PRICEREVISIONDATE:JAN,2016)SHIMADAELECTRICCO.LTDORDERUNIT:1PIECE(PRICEREVISIONDATE:JAN,2016)SHIMADAELECTRICCO.LTDCHEMICALCONTENTINSPECTION.COMECOFEATURES●ANALUMINUMALLOYCASTINGISUSEDFOREXCELLENTRESISTANCETOPRESSUREANDSALTANDTOREALIZEALIGHTWEIGHT.THISCANBEUSEDINAWIDERANGEOFAPPLICATIONSRELATEDTOPETROLEUMREFINEMENT,CHEMICALPLANTS,ELECTRICPOWER,ANDNEWINSTALLATION,EXPANSION,ANDRENOVATIONOFCOMMONDUCTS,ETC.USE●THETERMINALBLOCKISBUILT-INANDCANBEUSEDFORMUTUA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