Eaton ETR-4000-2A2FB0 Transformer Relay - Fiber Optic RTU

Feature → Eight digital inputs, nine digital outputs, and two current sensing inputs provide comprehensive protection logic with minimal external hardware. → Business impact: simplifies wiring, reduces panel space, and improves fault visibility for faster response. → Application: transformer protection in substations, OEM equipment, and critical power infrastructure. Feature → Power supply range of 19-300 VDC and 40-250 VAC, plus 50/60 Hz operation, with removable terminals and semi-flush mounting. → Business impact: flexible installation across varying plant voltages and easier maintenance. → Application: retrofit or new-build transformer protection in diverse facilities. Feature → Modbus RTU or DNP3 RTU communication over fiber optic ST. → Business impact: seamless integration with SCADA, DCS, and remote diagnostics, reducing field visits. → Application: remote monitoring for large transformer banks and utility-scale equipment. Feature → Conformal coating on circuit boards and rugged construction. → Business impact: improved reliability in harsh environments, longer mean time between failures, and extended service intervals. → Application: substations, outdoor installations, and industrial plants. Feature → I/O options including Sensitive Ground Input, Trip Coil Monitor, URTD Interface, and IRIG-B timing. → Business impact: enhanced protection configurability and synchronization for precise tripping. → Application: time-critical protection schemes in transformer protection relays. Feature → Sensing inputs span Current Protection and Metering, Differential Protection, and Zone Selective Interlocking (2). → Business impact: accurate fault detection, faster isolation, and improved system reliability. → Application: critical feeders and multi-transformer networks demanding rapid fault discrimination.