Lebanon Relay Upgrade Successfully Completed

Spectrum Engineering installed SEL 351S relays and States AVO test switches to replace the ABB DPU relays for the Main Breaker and three Feeder Breakers.  With this relay upgrade, the North Substation relays now match the rest of the Lebanon utilities Distribution System Relays.  
 An example of the old relays: 
The new SEL Relays: