New with all its original cables, functional, no box. SEL-351A distribution, protection and automation system by Schweitzer Engineering Laboratories SEL. Part number 0351AOW323564X1, serial 2004364005. Specifications: Logic Input 125 Vdc, Volts AC 300V Wye/Delta5-PH, 1-N. Device measures 20 X 5 X 8 1/4 and weighs 16 lbs.
