| Type | Pole number | Rated current (A) | Testing voltage (V) | Circuit breaking capacity(KA) | 
               
                | AC(P1/P2) | 
               
                | AC |  | 
               
                | NF-30SS | 2 | 3 5 10 15 20 30 | 600 |  
                    
                       
                        | 5/5 | 5/2.5 | 2.5/1.5 | 2.5/1.0 | -- | -- |  | 
               
                | 3 | 600 | 
               
                | NF-50SS | 3 | 10 20 30 40 50 | 600 |  
                    
                       
                        | 5/10 | 1./7.5 | 7.5/5 | 7.5/5 | 2.5/1.5 | -- |   
                        | 5/10 | 1./7.5 | 7.5/5 | 7.5/5 | 2.5/1.5 | -- |  | 
               
                | NF-60SS | 3 | 10 20 30 40 50 60  | 600 | 
               
                | NF-100SS | 3 | 60 75 100 | 660 |  
                    
                       
                        | 50/42 | 30/2. | 25/15 | 15/10 | 10/5 | 5/2.5 |  | 
               
                | 4 | 660 | 
               
                | NF-250SS | 3 | 125 150 175 200 225 250 | 660 |  
                    
                       
                        | 50/42 | 30/22 | 25/20 | 18/15 | 15/10 | 5/2.5 |  | 
               
                | 4 | 660 | 
               
                | NF-400SS | 3 | 250 300 350 400 | 660 |  
                    
                       
                        | 85/60 | 50/35 | 5./30 | 35/25 | 25/18 | 15/10 |  | 
               
                | 4 | 660 | 
               
                | NF-630SS | 3 | 500 600 630 | 660 |  
                    
                       
                        | 85/60 | 50/35 | 5./30 | 35/25 | 25/18 | 15/10 |  | 
               
                | 4 | 660 | 
               
                | NF-800SS | 3 | 600 700 800 | 660 |  
                    
                       
                        | 85/60 | 50/35 | 5./30 | 35/25 | 25/18 | 15/10 |  | 
               
                | 4 | 660 |