PAC4200, Comp. Terminals, DC only, Modbus TCP 200 Basic Measurements, harmonics, logging, alarming, 2-Dig In ( & ) 2-Dig Out, custom screens, gateway capability, two optional expansion ports and standard 10/100Base-T Ethernet with dual master ability. Vaux 22-65 VDC Vnom Max.500/289V 45-65HZ (UL) Compression type terminals