| Standard International Trade Classification (SITC) - level 3 - Group | 772 | Electr. appararatus for switching electrical circuits | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 77241 | Fuses | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 77242 | Automatic circuit-breakers for a voltage of less than 72.5 kV | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 77243 | Other automatic circuit-breakers | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 77244 | Isolating switches and make-and-break switches | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 77245 | Lightning arresters, voltage limiters and surge suppressors | 
                
                  
                    | Standard International Trade Classification (SITC) - level 5 - Basic Heading | 77249 | Oth.electrical apparatus for switching/ protecting electrical circuits |