Eaton ETR-5000-2A2BB1 Transformer Relay - Modbus/RS485

Part Number: ETR-5000-2A2BB1
ETR-5000-2A2BB1
Manufacturer
Eaton
Part number
ETR-5000-2A2BB1
Category

Quick Summary

The Eaton transformer relay ETR-5000-2A2BB1 protects transformers and switchgear in medium-to-large electrical installations. Design engineers often struggle with consolidating protection data and remote diagnostics across multiple devices; this relay enables that with Modbus RTU or DNP3 RTU over RS485. Certification readiness is important; verify CE marking, IP ratings, and SIL considerations with the manufacturer depending on your protection scheme. Beyond protection, its 8 digital inputs and 9 outputs, 2 current sensing inputs, and Modbus/DNP3 interfaces support scalable OEM integration and predictive maintenance. In practice, this combination translates to faster commissioning, reduced engineering effort, and measurable uptime improvements in industrial automation projects.

Product Information

Extended Description

ETR-5000-2A2BB1 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 Hz, Projection,Sensitive Ground Input,
Product Name
Eaton transformer relay
Catalog Number
ETR-5000-2A2BB1
UPC
786679155929
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
0
Analog outputs
0
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
URTD Interface IRIG-B Trip Coil Monitor Sensitive Ground Input
Modbus / DNP3 RTU
over RS-485
Phase current
5A, 1A
Sensing inputs
Current Protection and Metering Power 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
Projection
Voltage sensing inputs
1
Terminals
Removable
Power metering, monitoring and diagnostics products for OEMs Power metering, monitoring and diagnostics products for OEMs Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E Eaton Specification Sheet - ETR-5000-2A2BB1
Feature: Modbus RTU or DNP3 RTU over RS485 enables seamless integration with existing control systems. Business Impact: Simplifies remote monitoring, reduces engineering time, and improves data quality for protection schemes. Application: OEMs and retrofit projects in manufacturing and power infrastructure. Feature: 8 digital inputs and 9 outputs plus 2 current sensing inputs provide versatile I/O for protection logic and metering. Business Impact: Flexible wiring, scalable protection configurations, and enhanced diagnostic capabilities. Application: Transformer protection with differential, voltage, and metering functions. Feature: Power supply range from 19-300Vdc and 40-250Vac with 50/60 Hz compatibility supports diverse plant electrical environments. Business Impact: Broad compatibility reduces inventory needs and speeds deployment. Application: New installs and equipment upgrades. Feature: Projection mounting and removable terminals simplify installation and future maintenance. Business Impact: Faster commissioning, easier field servicing, and reduced downtime. Application: Panel builds and retrofit projects in harsh industrial settings. Feature: Conformal coated circuit boards improve reliability in challenging environments. Business Impact: Lower failure rates in moisture or dust-prone locations, extending service life. Application: Outdoor or rugged indoor installations. Feature: I/O options including URTD Interface, IRIG-B, Trip Coil Monitor, and Sensitive Ground Input enable advanced protection strategies. Business Impact: Supports zone selective interlocking and precise trip coordination. Application: Large power distribution and OEM protection schemes.

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FAQs

To install, mount the unit via projection mounting, connect the removable terminals, and wire the 8 digital inputs, 9 outputs, and 2 current sensing inputs according to the transformer protection scheme. Use the RS485 Modbus RTU or DNP3 RTU network for communications and verify 50/60 Hz compatibility. Follow Eaton's application notes for wiring diagrams and sequence of operations.
Key specs include 8 digital inputs, 9 digital outputs, 2 current sensing inputs, RS485 Modbus RTU or DNP3 RTU communications, 19-300 Vdc and 40-250 Vac power supply ranges, 50/60 Hz operation, and removable terminals with projection mounting. It is designed for transformer protection, monitoring, and metering within OEM and industrial control environments.
Yes. The ETR-5000-2A2BB1 provides Modbus RTU or DNP3 RTU communications over RS485, enabling integration with existing SCADA, PLCs, and protection schemes. This supports remote diagnostics, centralized monitoring, and coordinated tripping logic, which reduces response times and improves plant reliability in industrial power systems.
Compliances are listed as Contact Manufacturer for this model, so verify CE marking, IP rating, and SIL considerations with Eaton for your specific installation. Confirm RoHS status and device ratings in your region, and ensure the unit’s protection scheme aligns with your safety and regulatory requirements before deployment.
The relay’s remote diagnostics, flexible Modbus/DNP3 integration, and robust protection features reduce commissioning time and field visits. With 8 inputs and 9 outputs plus 2 current sensing inputs, you gain better visibility and faster fault isolation, translating to reduced downtime, lower maintenance costs, and improved overall protection reliability.