kawea matou kaha mārama mo te ao

Nema VU IEC: NEI IS BEST?

 

Ka rite ki te mea ki te pera maha rerekē contactors hiko me straters whiriwhiri, kia koutou whakairo e pā ana ki te pai me ngā raruraru o IEC vs Nema tauanga pūrere. Kia Nofuel mana whakamārama koutou e pā ana ki te paerewa rerekē whakahaere e rua, me te e ai tetahi hāngai tō tono te manakohia pai!

He aha te mea Nema?

Ko te  National Electrical Manufacturers Association  (Nema)  ko te rōpū hokohoko nui o kaiwhakanao taputapu hiko i roto i te United States. Whakaturia i roto i 1926, tohe Nema kaiwhakanao ki te whakamahi i te paerewa "anga" te rahi ki te tukua wāhanga i kaiwhakanao rerekē ki te kia te papa'iraa, a ki te hoahoa wāhanga ki ngā āhuatanga haumaru i runga, me runga ake ratou whakawākanga hoahoa.

Hua o Nema-i Whakatauria Pūrere

·  Āheinga Runga te tu: e tano ki iti āwangawanga mō te derating ki tono taimaha-ohipa

·  Pūkenga me te tika mo te whānuitanga o te tono,  te tino pakari, me te whānui e hāngai ana.

·  Māmā o whiriwhiri ko te painga hoahoa taketake o te timata Nema-kāhua. Hei tōtika tīpako i tētahi hua Nema-kāhua, Me anake koe ki te mohio i te horsepower me ngaohiko.

·  Ngaue'aki: Easy ki te pupuri, e ngāwari tirotirohia hoapā; Kei te hohoro ke coils, e taea te hanga ko te rahi katoa te nuinga o te kore tango i te pūrere i te röpü

·  Ko te pokapū mana nekeneke e hokona hua (MCC) te nuinga Nema rite tīmata

He aha te mea IEC?

Ko te  International Electrotechnical Kōmihana (IEC) is a non-profit, non-governmental international standards organization that prepares and publishes international standards for all electrical, electronic, and rated technologies, which are collectively referred to as “electrotechnical”.  This organization traces its roots back to 1881 and has been involved in developing and distributing many well-known units of measure like Hertz (frequency – cycles/second) and Gauss (magnetic flux density).

Hua o IEC-i Whakatauria Pūrere

·  Rahi kiato: whakaora wāhi rōpū. (30% ki te 80% iti atu Nema).

·  Hohoro E tauhohe ana ki overloads

·  Terminals Fingersafe: haumaru hoki whakahaere me te tiaki kaimahi. 35 mm din rail ekeeke: whakaora wā tāutanga.

·  Utu Lower ki wāhanga modular

·  Paerewa Meet IEC: manakohia te ao

 

Ko te Difference waenganui i IEC me Nema

Ko te rerekētanga i waenganui i IEC vs Nema ko e he contactor Nema, i te hoahoa, kia whai ake ki te 25% tauwehe ratonga i te mea kei atu arotahi ki runga i te wāhi me te utu penapena IEC e whakamatautau wae ki to ratou whakatauranga hoahoa tangohia, a te whakamahi i ngā kāwai whakamahi ki te whakawā ngā pūrere e hāngai ana i runga i to ratou whakamahi te manakohia. Hei tauira, he kāwai whakamahi o AC-1 he hoki pikaunga pono parenga, ranei anake kawenga paku inductive, rite te ara iahiko whakamahana. AC-3 ko hoki tīmata mahi, me te whakatū o te pūkaha whare herehere kirera me anake omaoma ruarua. AC-4 He rite ki AC-3 engari ngā "inching" me "plugging" (koringa me kōaro i tere), e titau te mana inamata nui o te nāianei nekeneke.

IEC vs Nema: me ngā raruraru

IEC

Nema

iti utu

atu te utu

Iti pūkenga; hangaia ki te whakatau ia te ora / whakaritenga o nāianei i roto i tono motuhake

More pūkenga; He whānui whakawākanga, me te tono ki maha tono rerekē

Ētahi atu pūrere kiato

Nui pūrere rahi

Whakatutuki ki te mākete Global

Motuhake ki te mākete Te Tai Tokerau American

Tauhohe tere ki overloads

He pai i pato iahiko poto

haumaru maihao

Titau pukupuku haumaru

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Ka rite ki te hua , ngā mō ngā pūrere i raro 100a 50HP ranei, e haere i te Nema tauanga tīmata nekeneke me contactors ki kia nui nui, me te nui atu te utu. Ka hoki i IEC maha atu kōwhiringa mō te ngā whakatauranga nāianei ranei mana, e hanga kōwhiringa tika nui atu tino atu i ki wāhanga Nema. Ko tenei te wahi i puta ake maha taa i roto i te United States me te faatura ki te pūnaha IEC.

Tips:

Ta'efemahino'akí noa pōhēhē

e ngā titiro te timata Nema nui atu i te timata IEC rite, me te whakaaro etahi tenei hanga reira "atu pakari". I roto i te mo'oni, ngā kaitā noa te reira i te hoahoa.

pinepine wā, ka kia whakamahia te whakarōpū IEC he mo te tono i homai. Ka rite ki te hua, whakahengia te pūnaha IEC iho te ka kore e mahi i te reira rite tūmanakohia. Ko te mo'oni ko e te whakamātautau UL ko te taua hoki e rua kamata IEC me Nema.

E matau ana tenei, i reira he wā i reira kua ona hua ia pūnaha whakarōpū. ko te iti me te iti iho te utu IEC ina e pai tautuhi nga tikanga whakahaere. kia waiho pūrere Nema he whiriwhiri pai ka kore e pai te tautuhi tikanga whakahaere ano he kawenga. IEC tīmata ngā rapunga wāhanga kotahi, me te tauhohenga tere ki te panamaha tikanga, i taea ngā pūrere Nema ngāwari ake te tu iahiko poto. Nema tīmata i te hoahoa tuwhera, kia maha e hiahiatia pukupuku haumaru, i he haumaru maihao ere contactors IEC me tīmata. ano i whakaaro IEC maha atu kōwhiringa ki te kötuitui tahi ngā wāhanga ki te pūnaha mana tohaina te whakamahi i paerewa tuwhera fieldbus, e taea e nui i roto i ngā pūnaha whakahaere tipu hou.

Ka rite ki a koutou e taea te kite e kore e rite ohie nga rerekētanga rite maha tatou tamata ka meinga ratou. Ehara i te te pātai o "i te mea nui ake pakari" ranei "i te mea whai hua ake te utu". te reira e pā ana ki te matauranga ka nga whakaritenga tono, me nga rerekētanga i waenganui i te pūnaha e rua, me te kōwhiri i te pūrere tika mo te mahi.

āhuatanga IEC me painga

Ko te tokomaha nui o rahinga contactor IEC taea ki te ōrite tata atu koe i te contactor ki te kawenga tono ranei. Rerekē Nema, kei hea he paerewa puta noa te ahumahi te rahi e wātea ana, te maha o ngā tūmomo whakawākanga rahi contactor rerekē i te kaiwhakanao.

Ko te tikanga, he timata IEC ko e pā ana ki te hawhe te rahi o te timata Nema rite. Runga ake 100a (Nema Rahi 3), Heoi, he iti nga rerekētanga tinana i waenganui i Nema me IEC.

hua IEC he ake modular i roto i te natura; ratou e nehenehe e hopu ki runga i te 35-mm, i roto i te rahi nui, he din tereina 75-mm ranei. Faaore i te hiahia ki te wiri rua, me te Maunga ia wae takitahi. Ko te kupu, e maka ana ia ratou ki te rōpū ko ngā ngāwari.

Rerekē tīmata Nema, e nei te nuinga hokona tino huihui, IEC tīmata te nuinga e hokona rite wāhanga (he contactor, he poraka pŭpŭ tauturu, he poraka tānga kikī) kia e taea te hanga e koe i tou ake huihui. Koe tīpako noa nga oko e hiahiatia ana mo te tono, me te hopu tahi ratou, i waho te whakamahi o taputapu.

Ano i rite tīmata Nema, IEC-kāhua tānga waiariki kikī te nuinga kua whakaritea āhuatanga waiariki, me te awhe whakarerekētanga e kia rapua e whakakapi i te tānga kikī oti ka taui tika ki ngā whakaritenga tono nui nekeneke FLC.

Ina whakaritea ki ngā hua Nema-kāhua, he nui atu tuku atu tautururaa hua IEC-kāhua. I roto i te meka, hua IEC raro 100a nuinga e whakaaro tuku i; Ka taea te nekehia atu e ratou i te tereina din, maka atu, ka whakakapia ki te hua hou i roto i te mea o meneti.

* * Rahi kiato: whakaora wāhi rōpū. (30% ki te 80% iti atu Nema).

* 35 mm din rail ekeeke: whakaora wā tāutanga.

* 45 mm whanui me 45 x 60 mm whakapuru mokowā poka i runga i contactors iti: interchangeability i roto i ngā kaiwhakanao, kahore whakarerekē rōpū.

* Terminals Fingersafe: haumaru hoki whakahaere me te tiaki kaimahi.

* Ambient-utua tānga kikī bimetallic: Whakarite tikanga hoki rerekē pāmahana i te pūmana.

* Tautuhi Aunoa, mara-convertible: e tika ana hoki wāhi mamao uaua ranei.


Post time: Aug-13-2018

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