Intengiso eshushu yeCJMM3-250 3P 250A AC400V/690V Molded Case Circuit Breaker MCCB Umfanekiso obonisiweyo

Intengiso eshushu i-CJMM3-250 3P 250A AC400V/690V Molded Case Circuit Breaker MCCB

Inkcazo emfutshane:

I-CJMM3 Moulded case circuit breaker (ebizwa ngokuba yi-circuit breaker) ineempawu zobukhulu obuncinci, amandla aphezulu okuqhekeza, i-arcing emfutshane, kunye ne-anti-vibration. Ifanelekile kwiinethiwekhi zokusasazwa kwamandla ezine-AC 50Hz, i-voltage yokusebenza elinganisiweyo eyi-400V, kunye ne-operating current elinganisiweyo ukuya kwi-250A nangaphantsi. Isetyenziselwa ukusasaza amandla ombane kunye nokukhusela imigca kunye nezixhobo zamandla kwi-overload, i-short circuit kunye nezinye iimpazamo. Ingasetyenziselwa nokutshintsha rhoqo kwi-circuits kunye nokuqalisa rhoqo kwee-motors. I-circuit breaker ingafakwa ngokuthe nkqo (oko kukuthi, ukufakwa ngokuthe nkqo) okanye ngokuthe nkqo (oko kukuthi, ukufakwa ngokuthe nkqo).

Le mveliso ihambelana ne-IEC60947-2 kunye ne-GB/T14048.2 “Izixhobo zokutshintsha kunye nezixhobo zokulawula ezine-voltage ephantsi Icandelo lesi-2: Ii-circuit breakers”.

Thumela i-imeyile kuthi

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iimeko Zokusebenza Nokufakelwa

Ukuphakama kwendawo yokufakela akudluli kwi-2000m.
Ubushushu bomoya obuphakathi;
Umda ophezulu wobushushu bomoya ojikeleze umhlaba awudluli ku +40°C;
Ubushushu bomoya obuqhelekileyo obuhlala kwiiyure ezingama-24 abudluli ku +35°C;
Umda ophantsi wobushushu bomoya ojikeleze umhlaba awukho ngaphantsi kwe -5°C;
Iimeko zomoya:
Umswakama ohambelanayo womoya awudluli kwi-50% xa ubushushu obuphezulu obujikeleze umhlaba buyi-+40°C. Unokuba nomswakama ophezulu xa ubushushu buphantsi. Xa ubushushu obuphakathi obuphakathi benyanga enyangeni enemvula budluli kwi-+25°C, umswakama ohambelanayo womoya awudluli kwi-+25°C. Umswakama ophakathi ohambelanayo yi-90%, kuthathelwa ingqalelo ukufuma kumphezulu wemveliso ngenxa yotshintsho lobushushu.
Inqanaba longcoliseko: 3

Udidi lweMveliso

Ngokwendlela yokuqhekeza kwe-circuit breaker, yahlulwe yaba: uhlobo oluqhelekileyo (uhlobo lwe-S); uhlobo lwe-b oluphezulu (uhlobo lwe-H);
Ngokwendlela yokufakelwa kwentambo yesixhobo sokwaphula isekethe: a. Ukufakelwa kwentambo phambi kwebhodi; b. Ukufakelwa kwentambo ngasemva kwebhodi; c. Uhlobo lweplagi; d. Uhlobo lokutsala;
Ngokwendlela yokusebenza: a. Ukusebenza ngokuthe ngqo ngesiphatho; b. Ukusebenza ngokujika isiphatho; c. Ukusebenza ngombane;
Ngokwenani leepali: iipali ezimbini; iipali ezintathu; iipali ezine;
Ngokwezixhobo: oonxibelelwano be-alamu, oonxibelelwano abancedisayo, ukukhululwa kwe-shunt, ukukhululwa kwe-undervoltage;

Idatha yoBugcisa

Uvavanyo lwe-circuit breaker

Imodeli	Uvavanyo lwesakhelo umlinganiselo wangoku Kwi(mA)	Inikwe ingqikelelo yangoku Kwi)	Inikwe ingqikelelo ukusebenza i-voltage (V)	Inikwe ingqikelelo Ukuvala ubushushu i-voltage (V)	Inikwe umlinganiselo wokugqibela intambo emfutshane ukwaphuka umthamo we-Icu(kA)	Ilinganiswe ngokusebenza intambo emfutshane ukwaphuka umthamo we-Ics(kA)	Inombolo of iipali	I-Flashover umgama (mm)
CJMM3-125S	125	16,20,25,32, 40,50,60,80, 100,125	400/415	1000	25	18	3P	≤50
CJMM3-125H	125	16,20,25,32, 40,50,60,80, 100,125	400/415	1000	35	25	3P	≤50
CJMM3-250S	250	100,125,160, 180,200,225, 250	400/690	800	35/10	25/5	2P,3P,4P	≤50
CJMM3-250S	250	100,125,160, 180,200,225, 250	400/690	600	50	35	2P,3P,4P	≤50

Iimpawu zesenzo sokuphulwa kwexesha elichaseneyo zokukhululwa kombane ogqithisileyo kwe-distribution circuit breaker xa zonke iipali zinikwa amandla ngaxeshanye

Vavanya igama langoku	Mna/Ngaphakathi	Ixesha elimiselweyo	Imeko yokuqala
Ndivumile ukuba akukho msinga ukhubekayo	1.05	2h(Ngaphakathi ＞63A),1h(Ngaphakathi ≤63A)	Imeko yokubanda
Ukukhubeka kwangoku okuvunyelweneyo	1.3	2h(Ngaphakathi ＞63A),1h(Ngaphakathi ≤63A)	Emva nje kovavanyo lolandelelwano 1, qalisa

Iimpawu zesenzo sokuphulwa kwexesha elichaseneyo sokukhululwa kombane ogqithisileyo kwe-circuit breaker ukukhusela imoto xa zonke iipali zisebenza ngamandla ngaxeshanye

Ukuseta okwangoku	Ixesha elimiselweyo	Imeko yokuqala	Ingxelo
1.0In	>iiyure ezi-2	Imeko yokubanda
1.2In	≤2 iiyure	Emva nje kovavanyo lolandelelwano 1, qalisa
1.5In	≤4min	imeko yokubanda	10 ≤ Kwi ≤ 250
1.5In	≤8min	imeko yokubanda	250 ≤ Kwi ≤ 630
7.2In	4s≤T≤10s	imeko yokubanda	10 ≤ Kwi ≤ 250
7.2In	6s≤T≤20s	imeko yokubanda	250 ≤ Kwi ≤ 800

Iimpawu zokusebenza ngokukhawuleza ze-circuit breaker zokusasazwa zimiselwe kwi-10In±20%, kwaye iimpawu zokusebenza ngokukhawuleza ze-circuit breaker zokukhusela imoto zimiselwe kwi-12In±20%.

Umahluko phakathi kothotho lwe-M1 kunye nothotho lwe-M3 lwe-MCCB

IiMoulded case circuit breakers (MCCB) zizinto ezibalulekileyo kwiinkqubo zombane, zibonelela ngokhuseleko lokugqithisa kunye nolwe-short-circuit. Xa kufikwa kwi-MCCBs, i-M1 series kunye ne-M3 series ziindlela ezimbini ezidumileyo, nganye ineempawu zayo kunye nobuchule bayo. Ukuqonda umahluko phakathi kwezi chungechunge kunokunceda abasebenzisi ukuba benze izigqibo ezinolwazi xa bekhetha i-MCCB efanela iimfuno zabo ezithile.

I-M1 Series MCCB yenzelwe usetyenziso apho ukusebenza okusemgangathweni kwanele. Ibonelela ngokhuseleko oluthembekileyo kwiisekethe nezixhobo, kunye neempawu ezifana nohlengahlengiso lwe-thermal kunye ne-magnetic trip. Ifanelekile kwiintlobo ngeentlobo zezicelo zoshishino kunye nezorhwebo, i-M1 Series ibonelela ngokhuseleko olungabizi kakhulu ngaphandle kokubeka emngciphekweni umgangatho kunye nokhuseleko.

Kwelinye icala, ii-M3 series molded case circuit breakers zenzelwe ukuhlangabezana neemfuno zeenkqubo zombane ezintsonkothileyo nezibalulekileyo. Zibonelela ngeempawu zokhuseleko eziphambili eziquka ukukhululwa kobushushu obuhlengahlengiswayo kunye nokukhululwa kwemagnethi, kunye nezinye iindlela zokukhusela iimpazamo zomhlaba kunye nokukwazi ukunxibelelana. I-M3 Series ifanelekile kwizicelo ezifuna ukusebenza okuphuculweyo kunye nokuguquguquka, njengezakhiwo ezinkulu zoshishino kunye nokufakelwa kweziseko ezibalulekileyo.

Omnye womahluko ophambili phakathi kwe-M1 kunye ne-M3 series MCCBs kukusebenza kwazo kunye nokusebenza kwazo. I-M1 Series ibonelela ngokhuseleko oluthembekileyo kwizicelo ezisemgangathweni, ngelixa i-M3 Series inika iimpawu eziphambili kunye neendlela zokukhetha kwiindawo ezifuna kakhulu. Ukongeza, i-M3 series inokuba namandla okuqhekeza aphezulu kune-M1 series kwaye inokwaphula imisinga yempazamo ephezulu.

Ngamafutshane, ukukhethwa kwee-M1 kunye nee-M3 series molded case circuit breakers kuxhomekeke kwiimfuno ezithile zenkqubo yombane ehambelanayo. I-M1 Series ibonelela ngokhuseleko olungabizi kakhulu kwizicelo eziqhelekileyo, ngelixa i-M3 Series inika iimpawu eziphambili kunye nobuchule bokufakelwa okunzima ngakumbi nokubalulekayo. Ukuqonda umahluko phakathi kwezi series kubalulekile ekukhetheni i-molded case circuit breaker efanelekileyo ukuqinisekisa ukhuseleko kunye nokuthembeka kwenkqubo yakho yombane.

Ngaphambili: Ixabiso elithengiswayo ngexabiso eliphantsi CJMM3-125 3P 125Amp Electrical Molded Case Circuit Breaker MCCB

Okulandelayo: Umenzi waseTshayina i-CJMM3-400 3P 400A Molded Case Circuit Breaker MCCB yokukhusela i-short-circuit

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