Eaton ETR-4000-2A1LB1 Transformer protection relay - Mbus TCP / DNP3 over LC fiber

Feature → Business Impact → Application: 8 digital inputs enable comprehensive supervisory control and status monitoring, reducing operator workload and supporting accurate fault diagnosis in real time across manufacturing lines. This improves asset uptime and reduces unplanned downtime, especially in critical feeders and transformers in substations or OEM equipment. Feature → Business Impact → Application: 9 digital outputs provide flexible control of protection logic and signaling, enabling precise interlocking and coordinated tripping schemes that minimize collateral damage during faults in power distribution networks. Application: suitable for transformer protection in SCADA-enabled plants seeking reliable remote operation. Feature → Business Impact → Application: 2 current sensing inputs allow accurate current-based protection and metering, delivering precise protection curves and energy accounting for performance analytics in grid-tied or isolated systems. Application: ideal for utilities and industrial facilities focusing on efficiency and loss reduction. Feature → Business Impact → Application: Power supply range of 19-300 Vdc and 40-250 Vac supports diverse installation environments, simplifying procurement and reducing spare-part inventories. Application: expedites field deployment in mixed-voltage environments. Feature → Business Impact → Application: Mbus TCP or DNP3 TCP/UDP over LC duplex fiber Ethernet ensures robust, low-latency communications, enabling seamless integration with modern SCADA and historian systems. Application: long-distance plant networks and substations with hardened fiber rings. Feature → Business Impact → Application: IRIG-B Trip Coil Monitor and URTD Interface provide precise time stamping and test/diagnostic interfaces, improving protection coordination and post-event analysis. Application: critical protection corridors and renewable integration projects requiring accurate timing and diagnostics. Feature → Business Impact → Application: Zone Selective Interlocking (ZSI) capability of 2 zones enhances selective tripping, reducing arc flash exposure and improving system reliability. Application: large multi-feeder installations where fast, coordinated tripping minimizes system impact. Feature → Business Impact → Application: Conformal-coated circuit boards improve reliability in humid or corrosive environments, lowering maintenance costs and extending service intervals. Application: harsh industrial settings or coastal facilities. Feature → Business Impact → Application: Removable terminals and projection mounting simplify field installation and retrofit projects, reducing commissioning time and human error. Application: upgrades or replacements in legacy protection schemes. Feature → Business Impact → Application: 5A and 1A phase current sensing options allow flexible current transformer configurations, supporting diverse protection schemes and metering needs. Application: transformer protection for both utility-scale and industrial transformers.