| ,Model designations  | 
        
        
            | 
        
        
          | ,Note:TBD,TBMR,TBDR are 30m/m only  | 
        
        
          | .Specifications | 
        
        
          |   Dielectric strength:  | 
        
        
          |  AC2200V for duration of one minute.  | 
        
        
          |  Insulation resistance:over 100MΩ@DC500V | 
        
        
          |  Temperature rise:  | 
        
        
          |     At contacts    Less than 30 degrees.  | 
        
        
          |     At terminals    Less than 25 degrees.  | 
        
        
          |      (@Ambient temperature of 40<C,and a continuous current of 10 amperes)  | 
        
        
          |  Contact resistance:Less than 30mΩ    | 
        
        
          |  Ambient temperature allowable:-20<C -60<C  | 
        
        
            | 
          
            
              TYPE  | 
              H  | 
              L  | 
              W  | 
             
            
              1A1B  | 
              25  | 
              35  | 
              32.5  | 
             
            
              1A or 1B  | 
              25  | 
              26  | 
              32.5  | 
             
            | 
        
        
           
            
               
                |  Designation | 
                Signal  | 
                Description  | 
               
               
                |  1.Type | 
                TBF  | 
                 Flat head  | 
               
               
                TBL  | 
                 Long head  | 
               
               
                TBM  | 
                 Mushroom head  | 
               
               
                TBW  | 
                 Rainproof | 
               
               
                TBK  | 
                 Push-lock | 
               
               
                TBKL  | 
                 Push-lock(large head)  | 
               
               
                TBD  | 
                 Special duty  | 
               
               
                TBMR  | 
                 Mushroom head with guard ring  | 
               
               
                TBDR  | 
                 Special duty with guard ring  | 
               
               
                |  2.Mounting hole  | 
                25 
                    30  | 
                  Φ 25m/m 
                   Φ 30m/m | 
               
               
                 3.No.of contact 
                   blocks fitted  | 
                1~4  | 
                 1~4 | 
               
               
                 4.Type of contact 
                   blocks fitted  | 
                 | 
                
                     
                       1a1b(NO-NC)  | 
                     
                     
                       1a(NO)  | 
                     
                     
                       1b(NC)  | 
                     
                    | 
               
               
                |  5.Head color  | 
                 | 
                
                     
                       Red  | 
                     
                     
                       Green  | 
                     
                     
                       Yellow  | 
                     
                     
                       Black  | 
                     
                     
                       White  | 
                     
                    | 
               
              |