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力士樂電磁換向閥R900505885 3WE10A3X/CG24N9K4/V

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力士樂電磁換向閥R900505885 3WE10A3X/CG24N9K4/V

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防爆電磁閥工作制式：分長期工作制，反復短時工作制和短時工作制三種。防爆電磁閥均為長期工作制，即線圈允許長期通電工作。對于長時間閥門開通只有短時關(guān)閉的情況，則宜選用常開電磁閥。用在短時工作制而批量又 很大時，可作特殊訂貨以降低功耗。     3、ATOS防爆電磁閥工作頻率：動作頻率要求高時，結(jié)構(gòu)應優(yōu)選直動式電磁閥，電源聽優(yōu)選交流。     ATOS防爆電磁閥的常見符號為"ExdⅠ/Ⅱ BT3"     "Ex"為通用符號, explosive     "d" 次防爆型式為"隔爆型d".     "Ⅰ"或"Ⅱ" 電氣設(shè)備分類,Ⅰ為煤礦用電氣設(shè)備,Ⅱ為除煤礦外其它爆炸性氣體環(huán)境用設(shè)備.其中,Ⅱ類隔爆型"d”和本質(zhì)安全型"i”電氣設(shè)備又分為ⅡA,ⅡB和ⅡC類.     阿托斯CULUS認證防爆開關(guān)閥和比例閥符合UL1002標準和CSA22.2n139-1982標準，I類，C&D組別（IIA&IIB組，NEC505-7）。

力士樂電磁換向閥R900505885 3WE10A3X/CG24N9K4/V