1.1 and Zone 2 dangerous places; 
 II A, II B, the IIC class of explosive gas atmospheres; 
 3 shell with aluminum die-casting molding, surface high pressure electrostatic spray; 
 (4) the role of lighting, electrical and signal electrical circuit switch (single pull, double-pull); 
 Steel pipe or cable wiring; 
 Rated voltage: AC220V; 
 Rated Current: 4A; 
 Contact weight: a normally open one normally closed; 
 The left rocker arm and right rocker-style, double wishbone type, plunger, roller plunger type. 
 10 protection class: IP54; 
 11 anti-corrosion rating: WF1 

 12 Cable Size: 10mm ~ 14mm 

 Inlet thread: G3 / 4 "