Kev tiv thaiv kev tiv thaiv ntawm lub thawv meter yog qhov ntsuas tau tseem ceeb ntawm nws lub peev xwm los ua haujlwm nrog cov txheej txheem thoob ntiaj tebIec 60529Hauv qabTuss(Ingress tiv thaiv) . Tus IP code muaj ob tus lej: tusThawj tus lejSawv cev plua plav tiv thaiv (qib 0}} - 6), thaum lubThib ob cov lejTxhais cov dej tsis kam (qib {0} - {2} {{2} {{2) {{{}
Xaiv cov kev ntsuas tsim nyog nyob ntawm qhov kev teeb tsa ib puag ncig:
Thaj chaw qhuav(E {. g ., IP20-i6-i6-{{4 4}}
Sab nraum zoov Dusty / Rainy ib puag ncig(E {{. g}}}}}}, IP54 lossis siab dua, muaj cov plua plav tiv thaiv thiab tiv thaiv kom tsis txhob txau dej {}}
Harsh ntug hiav txwv lossis thaj chaw noo(E {{. g ., cov khoom siv tshuaj lom neeg): Ip
Kev tiv thaiv thiab kub dissipation yog qhov tseem ceeb{{0. Cov kab ke hnyav tuaj yeem tso cov kev txwv kub, yuav tsum muaj kev sib txuam nrog kev sib xyaw ua ke, tsim nyog {{6.
Ua raws li cov qauvYog sib npaug tseem ceeb heev . hauv Suav teb,GB 7251.3Tswj hwm qis-voltage switchgear, thaum nyob thoob ntiaj teb,IEC 62208Paub meej cov qauv kev cai thiab kev nyab xeeb .} {}}} pa roj hmab rau kom txhim kho durability.
Hauv cov ntsiab lus, Cov kev tiv thaiv kev tiv thaiv yuav tsum ua kom pom qhov chaw nyob rau sab hauv tsev, IP54 rau kev hloov pauv sab nraud thiab kev hloov kho lub sijhawm kom paub meej thiab kev nyab xeeb hluav taws xob {}}
