Eaton ETR-4000-2A2DA0 Transformer Relay - Profibus-DP

Feature → Business Impact → Application: 8 digital inputs and 9 outputs plus 2 current sensing inputs enable comprehensive monitoring and control of transformer protection logic, reducing unplanned downtime and enabling faster fault isolation in substations and OEM panel builds. Application: ideal for transformer protection relays in industrial plants where precise I/O management supports differential protection, metering, and trip logic. Feature → Business Impact → Application: Profibus-DP over fiber optic ST communication provides reliable, EMI-resistant networking for remote diagnostics and interlocking; improves data integrity across harsh environments. Application: suitable for OEMs integrating with PLCs or DCS in continuous processes. Feature → Business Impact → Application: Differential protection and metering sensing capabilities improve fault detection accuracy and energy management; supports better maintenance planning and asset lifecycle cost reduction. Application: used in distribution and protection schemes for transformer banks. Feature → Business Impact → Application: Power supply range of 19-300Vdc and 40-250Vac, plus 50/60 Hz operation, simplifies installation across varied plant voltages and worldwide facilities. Application: reduces wiring complexity and expands compatibility with existing plant power architectures. Feature → Business Impact → Application: I/O options such as URTD Interface, IRIG-B Trip Coil Monitor, and Sensitive Ground Input provide installation flexibility and enhanced monitoring; lowers integration risk with existing safety and signaling schemes. Application: retrofits or new builds where precise trip coordination and monitoring are required. Feature → Business Impact → Application: Removable terminals and semi-flush mounting streamline field installation and maintenance; minimizes downtime during replacements or upgrades. Application: field retrofits in cabinets or control panels with limited space and accessibility.