Eaton transformer relay ETR-4000-2A1GB0 - Modbus RTU RS-485

Modbus RTU or DNP3 RTU over RS-485 enables seamless integration with existing SCADA and protection systems. This reduces wiring, simplifies configuration, and centralizes monitoring, delivering faster fault detection and improved operator visibility. Application: transformer protection in substations, OEM equipment, and industrial plants. Feature: Broad power supply range 19-300 Vdc, 40-250 Vac, 50/60 Hz. Benefit: supports diverse plant power architectures with a single device, lowering inventory and retrofit costs. Application: mixed-voltage facilities and upgrades. Feature: 8 digital inputs, 9 outputs, 2 current sensing inputs. Benefit: supports differential protection, metering, and zone selective interlocking; reduces reliance on external I/O modules and speeds diagnostics. Application: transformer control and protection circuits. Feature: Conformal coating, removable terminals, and semi-flush mounting. Benefit: enhances reliability in harsh environments and facilitates quick maintenance. Application: outdoor substations and rugged industrial environments. Feature: I/O options including IRIG-B Trip Coil Monitor URTD Interface and Sensitive Ground Input. Benefit: expands protection coordination and trip signaling capabilities for robust protection schemes. Application: protection schemes requiring precise timing and ground sensing. Warranty terms follow Eaton Selling Policy 25-000: one year from installation or 18 months from shipment, whichever occurs first.