|  Designation | 
              Signal  | 
               Description | 
            
            
              |  1.Type | 
              TO  | 
               10A 250VAC  | 
            
            
              TOR  | 
                  "  " Spring 
                  return  | 
            
            
              T5  | 
               15A 250VAC  | 
            
            
              T5R  | 
                  "  " Spring 
                  return | 
            
            
              |  2.Contact | 
              11  | 
               Single pole single throe ON-OFF  | 
            
            
              12  | 
               Single pole double throe ON-ON | 
            
            
              13  | 
               Single pole couble throe(central OFF) ON-OFF-ON | 
            
            
              131  | 
               Single pole double throw(central OFF single return)  ON-OFF-ON | 
            
            
              21  | 
               Double pole single throw ON-OFF  | 
            
            
              22  | 
               Double pole double throw(central OFF) ON-OFF-ON  | 
            
            
              23  | 
               Double pole double throw(central OFF single  return) ON-OFF-ON  | 
            
            
              231  | 
               Double pole double throw(central OFFsingle return)  ON-OFF-ON  | 
            
            
              |  3.Terminal | 
               | 
              
                
                  |  Tab terminal  | 
                 
                
                  |  Screw terminal  | 
                 
                
                  |  Solder terminal  | 
                 
                |