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平博pinbet88 >> 产品总汇 >> 防爆电器类 >> SW-4系列防爆拉线开关(IIB)
SW-4系列防爆拉线开关(IIB)

型号含义 Model implication

适用范围 Applications

1. 1区、2区危险场所或20区、21区、22区危险场所;
2. ⅡA、ⅡB、ⅡC爆炸性气体环境或可燃性粉尘环境;
3. 户内、户外(IP65、IP66*);
4. 温度组别:T1~T6;
5.应用于石油、化工、航天、军工等场所。
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(IP65,IP66*);
4.Temperature class:T1~T6;
5.Widely using in the fields of oil, chemical industry, spaceflight,
war ind-ustru and so on.

产品特点 Features

1.壳体采用高强度合金铝一次性压铸成型,表面经高速抛
丸清理后高压静电喷塑。外壳结构紧凑合理、材质密度
高强度好、防爆性能优良,表面塑粉附着力强具有良好
的防腐能力,表面光洁,美观大方;
2.内装拉线开关;
3.防尘防水性能良好可靠;
4.钢管或电缆布线。
1.Shell made of high strength aluminum alloy casting off the
surface after blast cleaning by high voltage electrostatic spray.
Shell compact structure, high density material strength,
Explosion-proof performance, the surface of plastic powder
adhesion ability with good anti-corrosion, the surface smooth,
elegant appearance;
2.Inside-fixed pull switch.
3.Good performance of water & dust-proof;
4.Wiring with steel tube or cable.

主要技术参数 Main technical parameters

产品型号
Type
额定电压(V)
Rated
voltage
额定电流(A)
Rated
current
防爆标志
Ex-proof mark
电缆外径(φmm)
Cable's outside
diameter
进线口螺纹
(G")
Inlet thread
防护等级
Protection
grade
SW-4 220 4 ExdⅡBT6等效于 Ⅱ2G ExdⅡBT6(欧标)
DIP A20 TA,T6等效于 Ⅱ1D ExtD A20 T6(欧标)
10~14 3/4 IP54

外形及安装举例 Outline and mounting example


产品关键字:防爆开关
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