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BLLS系列防爆拉繩開關(guān)(IIB)

詳細信息

型號含義 Model implication

適用范圍 Applications

1.1區(qū)、2區(qū)危險場所或20區(qū)、21區(qū)、22區(qū)危險場所;
2.ⅡA、ⅡB、ⅡC爆炸性氣體環(huán)境或可燃性粉塵環(huán)境;
3.戶內(nèi)、戶外(IP54、IP65*);
4.溫度組別:T1~T4/T6;
5.應(yīng)用于石油、化工、航天、軍工等場所。
1.Hazardous:division 1 &2,or 20,21,&22;
2.Explosive gas atmosphers:class ⅡA ⅡB ⅡC or inflammable
dust environment;
3.Indoor or outdoor(IP54,IP65*);
4.Temperature class:T1~T4/T6;
5.Widely using in the fields of oil, chemical industry, spaceflight,war ind-ustru and so on

產(chǎn)品特點 Features

1.殼體采用高強度鋁合金一次性壓鑄成型,表面經(jīng)高速 拋
丸清理后高壓靜電噴塑,外殼結(jié)構(gòu)緊湊合理,強度好,
防爆性能優(yōu)良,表面塑粉附著力強,具有良好的防腐性
能,外表整潔,美觀大方;
2.是輸送機自動區(qū)控制不可缺少的傳感元件;
3.具有強度高,重量輕,密封好,使用壽命長等優(yōu)點;
4.鋼管或電纜布線。
1.Enclosure is cast with high intensity aluminum alloy, surfaceis sprayed with plastic by high voltage static electicity, after
the highly impeller cleaning. The structure of enclosure isreasonable, high-intensive and perfect-explosive and thesurface plastic of good adhesive force is excellent in explosion-proof and appearance;
2.Is the automatic zone control conveyors indispensable sensor;
3.With high strength, light weight, sealed, and long life;
4.Wiring with steel tube or cable.

主要技術(shù)參數(shù) Main technical parameters

型號
Type
觸頭容量
Contact
capacity
防爆標志
Ex-mark
BLLS-1 ≤380V
≤3A
ExdⅡBT4 等效于
Ⅱ2G ExdⅡBT4(歐標)
DIP A20 TA,T4 等效于
Ⅱ1D Ex tD A20 T4(歐標)
BLLS-2

 

動作力
Operating
force
工作行程
Working stroke
極限行程
Ultimate stroke
防護等級
Degree of
protection
12±2 15±2mm 20±2mm IP55

外形及安裝尺寸 Outline&installation dimensions

產(chǎn)品樣本
電子樣本