Eaton ETR-5000-2B3BB1 Transformer Relay - Modbus RTU RS485

Part Number: ETR-5000-2B3BB1
ETR-5000-2B3BB1
Manufacturer
Eaton
Part number
ETR-5000-2B3BB1
Category

Quick Summary

Eaton transformer relay ETR-5000-2B3BB1 provides transformer protection and metering for industrial power distribution. Engineers often struggle to integrate protection, monitoring, and remote communications within confined electrical rooms, risking incomplete fault detection and slower responses. Compliances are to be confirmed with the manufacturer, and this device supports standard transformer protection practices with flexible communication options including Modbus RTU or DNP3 RTU over RS485. The model is designed to streamline protection coordination, enable accurate metering, and simplify remote diagnostics, all while maintaining robust reliability in demanding environments. For engineers seeking reliable protection with scalable I/O and network integration, this relay delivers tangible business value for transformer protection relay applications and system uptime.

Product Information

Extended Description

ETR-5000-2B3BB1 Eaton: Eaton, transformer relay, ETR-4000, Transformer protection relay, Modbus RTU or DNP3 RTU over RS485, 5A, 1A, 40-250 Vac, 19-300 Vdc, 8, 9,Transformer, over RS-485,19-300Vdc, 40-250Vac, 50/60 HzSensitive Ground Input,
Product Name
Eaton transformer relay
Catalog Number
ETR-5000-2B3BB1
UPC
786679156049
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
Modbus RTU or DNP3 RTU over RS485
Current sensing inputs
2
Digital inputs
8
Digital outputs
9
I/O options
Trip Coil Monitor URTD Interface Sensitive Ground Input IRIG-B
Modbus / DNP3 RTU
over RS-485
Phase current
5A, 1A
Sensing inputs
Current Protection and Metering Power Protection and Metering Differential Protection Voltage Protection and Metering
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
Projection
Voltage sensing inputs
1
Terminals
Removable
Power metering, monitoring and diagnostics products for OEMs Power metering, monitoring and diagnostics products for OEMs Introduction to Eaton's E-Series Relay, Step 1: Physical Connections Introduction to Eaton's E-Series Relay, Step 1: Physical Connections Introduction to Eaton's E-Series Relay, Step 1: Physical Connections Introduction to Eaton's E-Series Relay, Step 1: Physical Connections Introduction to Eaton's E-Series Relay, Step 1: Physical Connections Introduction to Eaton's E-Series Relay, Step 1: Physical Connections Introduction to Eaton's E-Series Relay, Step 1: Physical Connections Eaton Specification Sheet - ETR-5000-2B3BB1
Feature → Business Impact → Application: The ETR-5000-2B3BB1 offers 8 digital inputs, 9 digital outputs, and 2 analog inputs/outputs, enabling comprehensive protection logic, alarms, and metering in a single device. This translates to tighter protection coordination and faster fault isolation in transformer protection relay scenarios, ideal for substations or industrial power distribution where space is at a premium. Application: Transformer protection with integrated metering in OEM and retrofit projects, reducing panel footprint and wiring complexity. Feature → Business Impact → Application: Power supply range supports 19-300 Vdc and 40-250 Vac with 50/60 Hz operation, providing flexible installation across facilities and fleets. This minimizes conversion costs and simplifies procurement for mixed voltage environments. Application: Retrofit and new installs in mixed-voltage plants. Feature → Business Impact → Application: Modbus RTU or DNP3 RTU over RS485 communication enables seamless integration with existing control networks and PLCs, reducing integration risk and commissioning time. Application: Remote monitoring, alarming, and control in transformer protection schemes. Feature → Business Impact → Application: IRIG-B interface, Trip Coil Monitor, URTD interface, and Sensitive Ground Input options extend operations for grid synchronization and fault diagnostics. Application: Critical power equipment protection and high-reliability installations. Feature → Business Impact → Application: Conformal coated circuit boards and removable terminals improve reliability in harsh environments and simplify field maintenance. Application: Outdoor or dirty environments and quick field wiring changes. Warranty and support: The Eaton policy provides a one-year warranty from installation or eighteen months from shipment, offering assurance and post-installation support for project teams. Application: New builds and service projects where long-term support and parts availability matter for total cost of ownership.

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FAQs

Begin by confirming the unit’s mounting method (projection) and ensure the terminals are removable for streamlined wiring. Use the eight digital inputs and nine outputs to connect protection and signaling circuits, then wire the two analog inputs/outputs for metering signals. Connect the Modbus RTU over RS485 or DNP3 RTU as required, and finalize with the conformal-coated boards to withstand harsh environments. Refer to the Eaton datasheet for sequence details and torque specs.
Power supply range is 19-300 Vdc and 40-250 Vac, with a 50/60 Hz frequency rating. The unit provides 2 analog inputs and 2 analog outputs, 8 digital inputs, and 9 digital outputs. Communications are Modbus RTU or DNP3 RTU over RS485, and options include IRIG-B, Trip Coil Monitor, URTD Interface, and Sensitive Ground Input for advanced protection schemes.
Yes. The relay supports Modbus RTU over RS485, enabling seamless integration with existing PLCs, SCADA, and protection systems. This facilitates centralized monitoring, remote control, and data logging, while maintaining compatibility with standard industrial protocols for transformer protection and metering.
The ETR-5000-2B3BB1 is designed for transformer protection, metering, and coordination in industrial power networks. It supports transformer protection relays with hybrid signaling, allowing Zone selective interlocking, differential and voltage protection metering, and remote diagnostics for OEMs, substations, and large facilities seeking reliable protection and visibility.
Eaton provides a one-year warranty from installation or eighteen months from shipment, whichever occurs first. This coverage, combined with Eaton’s technical support and product lifecycle availability, supports ongoing maintenance, spare parts, and firmware updates as part of total cost of ownership considerations.