EATON Cutler-Hammer Series Power Xpert® Insight Gateway, Series: 900, INCOM/Modbus RTU Protocol, RJ45 Interface, RJ45 Port, 3 Ports, NEMA 12 Enclosure, 6 in H x 4-1/2 in W x 2 in D Dimensions, For Use With: Electrical Assemblies/System, Low and Medium Voltage Switchgear, Environmental Conditions: 5 to 95% Relative Humidity