Simple or redundant supply, decoupled from diode, protected against polarity reversal
         
      
        
          
          Installation in zone 2, protection type "n" (EN 60079-15) permitted
         
      
        
          
          Error message in the event of energy supply failure or fuse fault, can be selected and deselected via DIP switch
         
      
        
          
          Bus cable error message for MACX MCR-...(2)NAM... devices connected via DIN rail connectors, can be selected and deselected via DIP switch
         
      
        
          
          Relay output (changeover contact) and blinking LED for error messages
         
      
        
          
          Supply current up to 2 A (max. 2x 2,5 AT backup fuse required)
         
      
        
          
          May only be used on the Termination Carrier
         
      
        
          
          Undervoltage detection at the input, can be selected and deselected via DIP switch (set to 19.2 V supply voltage)