Technical Information
                
                    
                        
                            | Item condition | New | 
                        
                            | Manufacture name | Directional time-overcurrent protection 7SR51 4 curr. trans., 4 volt. trans., 9 BI, 11 BO (incl. 3 HSBO), 3 AFD (Arc .... 7SR5111-1AD21-0AA0 | 
                                                    
                                | Brand | Siemens | 
                                                                            
                                | Categories | Other Products 
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                                    Packing details
                    
                        
                                                            
                                    | Packing level 1 | 4025515746188 | 
                                                    
                     
                
                
                
                
                
                
                                    Description
                    
                        Directional time-overcurrent protection 7SR51 4 curr. trans., 4 volt. trans., 9 BI, 11 BO (incl. 3 HSBO), 3 AFD (Arc Flash Detector), Standard interface: 1 x USB (front), RS 485 (rear) + 2 x optical LC-interfaces, S6 enclosure