Eaton ETR-5000-2B3LB0 Transformer Relay - 50/60 Hz

Part Number: ETR-5000-2B3LB0
ETR-5000-2B3LB0
Manufacturer
Eaton
Part number
ETR-5000-2B3LB0
Category

Quick Summary

Eaton transformer relay ETR-5000-2B3LB0 provides transformer protection and monitoring for power distribution systems. Engineers often confront integration bottlenecks when protecting transformers across legacy controls and modern SCADA networks, risking slower fault isolation. Certification details should be confirmed with the manufacturer; typical industrial approvals are documented in Eaton datasheets. With 50/60 Hz operation and a wide power range (19-300Vdc, 40-250Vac), it adapts to both new builds and retrofits while supporting advanced metering and remote monitoring. This solution helps reduce downtime, improve fault diagnosis, and streamline compliance in transformer protection workflows. Its modular I/O and robust communications enable seamless integration with Modbus, DNP3, and fiber Ethernet to future-proof protection schemes.

Product Information

Extended Description

ETR-5000-2B3LB0 Eaton: Eaton, transformer relay, ETR-4000, Transformer protection relay, Mbus TCP or DNP3 TCP/UDP over LC duplex FO Enet, 5A, 1A, 40-250 Vac, 19-300 Vdc, 8, 9,Transformer, 19-300Vdc, 40-250Vac, 50/60 Hz , Sensitive Ground Input
Product Name
Eaton transformer relay
Catalog Number
ETR-5000-2B3LB0
UPC
786679157886
Product Length/Depth
8.06 in
Product Height
8.7 in
Product Width
9.72 in
Product Weight
9.3 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Compliances
Contact Manufacturer
Application
Transformer
Type
Transformer relay
Product Category
Transformer protection relay
Analog inputs
2
Analog outputs
2
Base relay
ETR-4000
Conformal coating
Conformal Coated Circuit Boards
Communication
Mbus TCP or DNP3 TCP/UDP over LC duplex FO Enet
Current sensing inputs
2
Digital inputs
8
Digital outputs
9
I/O options
IRIG-B Trip Coil Monitor Sensitive Ground Input URTD Interface
Modbus / DNP3 TCP
over LC duplex fiber optic Ethernet
Phase current
5A, 1A
Sensing inputs
Power Protection and Metering Current Protection and Metering Voltage Protection and Metering Differential Protection
Zone selective interlocking
2
Number of inputs
8
Number of outputs
9
Power supply range
19-300Vdc, 40-250Vac
Frequency rating
50/60 Hz
Power consumption
40-250 Vac, 19-300 Vdc
Number of inputs
8
Number of outputs
9
Power supply range
19-300Vdc, 40-250Vac
Power consumption
40-250 Vac, 19-300 Vdc
Frequency rating
50/60 Hz
Terminals
Removable
Mounting method
Semi-flush
Voltage sensing inputs
1
Terminals
Removable
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Feature: 2 analog inputs and 2 analog outputs; Business impact: enables precise voltage/current monitoring and control for transformer protection, improving diagnostic accuracy and response times in fault events; Application: suitable for transformer protection and metering in substations and industrial plants. Feature: 8 digital inputs and 9 digital outputs; Business impact: expands fault signaling, interlocking, and remote control capabilities while reducing wiring complexity; Application: Zone selective interlocking and I/O intensive protection schemes in medium to large power networks. Feature: Wide power supply range 19-300Vdc and 40-250Vac with 50/60 Hz; Business impact: flexible integration across varied plant voltages, minimizing power conditioning needs and installation cost; Application: retrofits and new installations in mixed-voltage environments. Feature: Mbus TCP or DNP3 TCP/UDP over LC duplex fiber Ethernet; Business impact: robust, scalable communication for SCADA and remote monitoring, reducing data latency and improving reliability; Application: energy management, transformer monitoring, and predictive maintenance. Feature: IRIG-B, URTD Interface, and Zone Selective Interlocking (2); Business impact: supports precise time stamping and fast protection coordination, lowering outage duration and improving system resilience; Application: critical power distribution and protection coordination in industrial facilities. Feature: 8 inputs / 9 outputs with conformal coating and removable terminals; Business impact: durable performance in harsh environments and easier field service; Application: harsh plant floors, outdoors, or humid installations. Feature: Removable terminals and semi-flush mounting; Business impact: simplifies installation and maintenance, reducing downtime during upgrades or service; Application: retrofits and new builds with tight installation spaces. Feature: Power protection and metering, Differential Protection, Current and Voltage Protection and Metering; Business impact: provides comprehensive protection analytics and energy insights, supporting compliance reporting; Application: transformer protection suites in substations and industrial complexes. Note: All features are supported by Eaton’s E-series protective relays ecosystem; verify exact configuration options in the Eaton datasheet for the ETR-5000-2B3LB0 to match your project needs.

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FAQs

Begin with power isolation and verify voltage ranges (19-300Vdc or 40-250Vac). Use the removable terminals to simplify wiring and connect the 8 digital and 2 analog I/O per the protection scheme. Semi-flush mounting and conformal-coated boards support rugged environments. Refer to the Eaton datasheet for the exact terminal layout and recommended practice to minimize commissioning time.
The device supports Mbus TCP or DNP3 TCP/UDP over LC duplex fiber Ethernet, with Modbus and DNP3 compatibility noted in the product data. This enables reliable data exchange with modern SCADA systems and predictive maintenance platforms while preserving fiber-optic reliability in demanding installations.
Yes. The unit is specified for 50/60 Hz operation and covers a broad voltage range, making it suitable for mixed-grid or plant-wide protection schemes without extensive front-end conditioning or frequency conversion.
It provides 2 analog inputs, 2 analog outputs, 8 digital inputs, and 9 digital outputs, along with zone-selective interlocking and differential protection features. This combination supports comprehensive protection logic, signaling, metering, and coordination with other protective devices in the network.
With removable terminals and conformal coating, maintenance is simplified and reliability is enhanced in harsh environments. The integrated metering, remote communication, and time-synchronized monitoring reduce downtime and enable data-driven maintenance, improving lifecycle cost and return on investment for transformer protection projects.