MDX61B0014-5A3-4-00
MDX61B0014-5A3-4-00 防爆伺服電機在什么環境下起作用?
處于 I類環境(UL名稱)中的電機,其中存在易燃氣體、蒸汽或液體,旨在防止內部火花或火焰從伺服電機逸出到危險環境中。它們的設計也使電機外殼溫度不超過存在氣體、蒸汽或液體環境的安全溫度。
在 II類或 III類環境(UL名稱)中存在某些灰塵或纖維的電機設計為電機外殼溫度不會超過可燃灰塵和纖維環境的安全溫度。雖然簡單地以較低的額定電流運行電機會減少它產生的熱量,但其他限制電機外殼溫度過高情況的故障安全方法包括在電機達到臨界溫度之前斷開電機電源的恒溫器。
其他技術用于在這些環境中運行的其他設備,其中一些也可用于電機,包括吹掃或加壓、額外的防爆外殼、封裝,甚至充液設計。無論采用何種技術,目標都是防止電機在正常運行條件下或電機故障時點燃易燃源。
當火花點燃電機內部的揮發性氣體時,防爆設計包含內部燃燒,以防止更大的爆炸或火災。防爆伺服電機上清楚地標有銘牌,標識其是否適合給定的危險環境。
根據認證電機的機構,銘牌將清楚地顯示電機適用的危險位置類別、劃分和組。能夠認證電機是否適用于危險用途的機構有UL(美國)、ATEX(歐盟)和CCC(中國)。這些機構將危險環境劃分為不同的類別——定義了環境中可能存在的危險;分部-確定在正常運行條件下存在危險的可能性;和組-標識當前的特定材料。
UL標準將危險分為三類:易燃氣體、蒸氣或液體(I類)、可燃粉塵(II類)或可燃纖維(III類)。第 1部分表示在正常操作條件下存在危險材料,而第 2部分表示在正常條件下不可能存在材料。集團將具體標識存在的危險材料,例如乙炔 (A)、氫氣 (B)、乙烯 (C)或丙烷 (D)等常見的 I類材料。
歐盟也有類似的認證要求,將環境分為不同的區域。區域0、1和2用于氣體和蒸汽,而區域20、21和22用于灰塵和纖維。區域編號表示正常運行期間材料存在的概率,區域0和20處于非常高的水平,區域1和21處于較高水平和正常水平,2區和22區處于較低水平。
MDX61B0014-5A3-4-00 MCV40A0015-5A3-4-00
MCV40A0022-5A3-4-00
MCV40A0030-5A3-4-00
MCV40A0040-5A3-4-00
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DRS71S4BE05/FG
DRS90L4BE5
DRS160S4/BE20//HF/TH/V/C/DUB/STH
DRS160S4/BE11/HF/TH/C/MIC/OS1
DRE100M4
DRE90L4BE2HR/AMB2/TF/ES7S/V/C
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DRS100M4
DRS80S4BE1HF/FG
DRS112M4
DRS160M4
DRS132S4
DRE132MC4BE11HF/FI/TF
DRE132MC4/TF/XVO.
DRE132S4BE5/FF/TF
DRE180M4
DRE90M4BE2HR帶pinion
DRS80M4BE2HR/Z帶小齒輪
DRS80M6BE2帶小齒輪
DRS71M4
DRS100M4BE5HR/Z
DRN132S4
DRE100M4/MM30/LN
DRE100L4/FI/MM30/MO
DRS80S4BE2
DRE80M4
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DRE160MC4 11KW
DRS112M4/SRD1
DV132M4SRD1
DRS80S4BE1/FL/MM07/ASA3
DR63S4BRHRTH
DRS90M4/V
DRS132M4
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DRS180M4
DT90S6BMG-DRS80M6/BE2
DFV132S6/BMG DRS112M6/BE5
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DV100M8/4/BMG/HR/TF
DRS90L8/2
DV200L6-SRDII/OC410/OS1
DRS112M2 /FF IEC
DRE100LC4/FF IEC
DRS90M4/FF/BE2 IEC
DRS160S4BE20TF IEC
EDRE100LC4/3GD/KCC/TF/AL
CFM71L/BR/TF/RH1L/KK
DRL180L4BE30HFTF/EG7S
DRL100L4BE5/FG/TF/ES7S
CMP63L/KY/RH1M/SM1
CMP63S/BP/KY/RH1M/SB1
CFM90M/TF/RH1M/SM50
CFM71L/BP/TF/RH1L/SB50
CMP50M/KY/RH1M/SM1
CFM71M/BR/TF/AK1H/SB50
BMG05-BMG1
BMG2-BMG4
BMG15
BM30-BM62
BMG05
BMG1
BMG2
BMG4
BMG8
BM15
BM30-62
BG1.5
BGE1.5
BMK1.5
BME1.5
BMG055NM230V
BMG055NM400V
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BMG110NM230V
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BMG2 20NM230V
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BW090-P52B BW MM
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BW106 BW147
BW168
BW206
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DKG60B/5M
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KA47/T
DRE100M4BE2HF/IS/TF/ES7C/V
器型號:
BMG02
BR03
BMG05
BMG1
BMG2
BMG4
BMG8
BM15
BM30
BM31
BM32
BM62
BMG61
BMG122
BE05
BE1
BE2
BE5
BE11
BE20
BE30
BE32
BE122