NEMA 1:NEMA 1 enclosures yog tsim los siv sab hauv tsev thiab muab kev tiv thaiv tib neeg kev sib cuag nrog hluav taws xob, nyob hauv hluav taws xob.Nws kuj tseem tiv thaiv cov cuab yeej los ntawm kev poob cov khib nyiab (dej).
NEMA 2:NEMA 2 enclosure yog, rau txhua qhov kev xav thiab lub hom phiaj, tib yam li NEMA 1 enclosure.Txawm li cas los xij, NEMA 2 qhov kev ntsuam xyuas muaj kev tiv thaiv ntxiv nrog rau kev tiv thaiv los ntawm lub teeb los yog txaws dej (drip-proof).
NEMA 3R, 3RX:NEMA 3R thiab 3RX enclosures yog tsim los siv rau sab hauv tsev lossis sab nraum zoov thiab tiv thaiv los nag, nag, daus, thiab av, thiab tiv thaiv kev tsim cov dej khov ntawm nws lub qhov rooj.
NEMA 3, 3X:NEMA 3 thiab 3X enclosures yog los nag-tawv, kaw ntom nti, thiab plua plav-tight thiab yog tsim rau ob qho tib si sab hauv tsev thiab sab nraum zoov.NEMA 3 thiab 3X xaiv tau ntxiv kev tiv thaiv plua plav dhau ntawm NEMA 3R lossis 3RX enclosure.
NEMA 3S, 3SX:NEMA 3S thiab NEMA 3SX enclosures tau txais txiaj ntsig los ntawm kev tiv thaiv tib yam li NEMA 3, txawm li cas los xij, lawv muab kev tiv thaiv thaum cov dej khov rau ntawm qhov thaiv thiab yuav ua haujlwm tau thaum npog hauv dej khov.
NEMA 4, 4X:NEMA 4 thiab NEMA 4X enclosures yog npaj rau kev siv sab hauv tsev lossis sab nraum zoov thiab muab kev tiv thaiv tib yam li NEMA 3 enclosure nrog kev tiv thaiv ntxiv rau cov dej nkag thiab / lossis cov dej xa dej.Yog li, yog tias koj xav tau ntxuav koj lub NEMA 4 enclosure, koj tsis tas yuav txhawj txog dej ua rau koj cov khoom hluav taws xob puas.
NEMA 6, 6P:Muab kev tiv thaiv tib yam li NEMA 4 enclosure, NEMA 6 muaj kev tiv thaiv los ntawm ib ntus lossis ntev (6P NEMA rating) dej submersion mus txog qhov tob uas tau teev tseg.
NEMA 7:Kuj tseem ua rau cov chaw muaj kev phom sij, NEMA 7 enclosure yog tawg-pov thawj thiab ua rau siv sab hauv tsev (tsim rau qhov chaw txaus ntshai).
NPE 8:Muab kev tiv thaiv tib yam li NEMA 7 enclosure, NEMA 8 tuaj yeem siv tau ob qho tib si sab hauv tsev thiab sab nraum zoov (tsim rau qhov chaw txaus ntshai).
NPE 9:NEMA 9 enclosures yog plua plav-ignition-pov thawj thiab npaj rau kev siv sab hauv tsev hauv qhov chaw muaj kev phom sij.
NEMA 10:NEMA 10 enclosures ua tau raws li MSHA (Mine Safety and Health Administration) cov qauv.
NEMA 12, 12K:NEMA 12 thiab NEMA 12K enclosures yog npaj rau kev siv sab hauv tsev.Lub NEMA 12 thiab 12K enclosures tiv thaiv cov dej ntws thiab txaws, yog xeb-tiv taus, thiab tsis suav nrog knockouts (ib feem punched qhib uas yuav raug tshem tawm kom haum rau cables, connectors, thiab / los yog conduits).
NIM 13:NEMA 13 enclosures yog rau lub hom phiaj dav dav, siv sab hauv tsev.Lawv muab kev tiv thaiv tib yam li NEMA 12 enclosures, tab sis nrog ntxiv kev tiv thaiv tawm tsam dripping thiab / los yog txau cov roj thiab cov dej txias.
* Ceeb Toom: Ib lub thawv uas tau xaiv nrog "X" qhia txog qhov ntsuas tiv thaiv corrosion.
Post lub sij hawm: May-09-2023