• 区、2区危场所.
• IIA、IIB、IIC类爆炸性气体环境
• Can be used Zone 1 and Zone 2 dangerous places.
• Can be used in IIA,IIB,IIC group explosive atmosphere.

• 增安型外壳，内装元件为防爆元件。
• 外壳采用玻璃纤维增强不饱和聚酯树脂压制
  而成，具有外形美观，耐腐蚀，抗静电，耐
  冲击及热稳定性好等优良性能。
• 隔爆型控制开关具有结构紧凑，可靠性好，体
  积小,通断能力强，寿命长并有多种功能供用
  户选配。防爆按钮采用超声波封装工艺，保证
  了可靠的结合强度，按钮的功能可以两单元
  自由给合，防爆指示灯采用特殊设计，交流
  220-380V通用。
• 外露紧固件均采用不锈钢，为防掉式设计维修
  方便.
• 壳体和盖的接合面采用迷宫式结构，具有较好
  的防水，防尘能力。
• 符合GB3836-2000,IEC60079标准要求。
• Safety reinforced shell,inside are mounted Explosion-separate type elements
• The shell mould-shaped by glass fiber reinforced and unsaturated ployster
  elegant-insisting impact-withstanding and perfactions of corrosion-proofing,
  electro static-insisting impact-withst and ding and perfact thermal reliability.etc
• The explosion-separate type,control switchwith compact structure,
  steady property,small volume,high capacity,and long-trmlife has several
  functions to e selected freely.Explosion-proofing button by ultrasonic
  encapsulation arts,ensuring the dependable combining intension The function
  of it can combine freely in two units.The explosion-proof indicator by special
  design,using within the AC voltage soope of 220V-380V generally.
• All the exposed fastening pieces are made of stainless steel and
  Of anti-lost type,which be convenient to maintaining.
• The joint of shell and cover is the form of deviou-labyringhian truture,Water-
  proof,dust-proof.
• Suitable for GB3836-2000,IEC60079 standard request.

一单元壳体外形及安装尺寸
Outluneand installing size offirst unithull