Eaton ETR-5000-2A2IB0 Transformer Relay - RS-485 & Ethernet

Part Number: ETR-5000-2A2IB0
ETR-5000-2A2IB0
Manufacturer
Eaton
Part number
ETR-5000-2A2IB0
Category

Quick Summary

Eaton transformer relay protects transformers by monitoring voltage, current, and fault conditions to trigger fast trips in industrial power systems. This compact yet capable unit is designed to coordinate protection across feeders while delivering reliable data communication. Operators often struggle with integrating protection schemes and maintaining clear visibility into transformer health, which can lead to extended downtime. For this model, you can expect vendor-backed reliability and straightforward integration with RS-485 Modbus RTU and Ethernet TCP, plus features like Trip Coil Monitor and Sensitive Ground Input. Certification and compliance should be verified with Eaton, but when aligned with your plant standards, the ETR-5000-2A2IB0 delivers strong protection coverage and scalable metering capabilities for transformer protection and power protection and metering.

Product Information

Extended Description

ETR-5000-2A2IB0 Eaton: Eaton, transformer relay, ETR-4000, Transformer protection relay,5A, 1A, 40-250 Vac, 19-300 Vdc, 8, 9,Transformer, over RS-485, over Ethernet RJ-45,19-300Vdc, 40-250Vac, 50/60 Hz , Trip Coil Monitor,Sensitive Ground Input
Product Name
Eaton transformer relay
Catalog Number
ETR-5000-2A2IB0
UPC
786679157183
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
Current sensing inputs
2
Digital inputs
8
Digital outputs
9
I/O options
Sensitive Ground Input IRIG-B Trip Coil Monitor URTD Interface
Modbus / DNP3 RTU
over RS-485
Modbus / DNP3 TCP
over Ethernet RJ-45
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
Semi-flush
Voltage sensing inputs
1
Terminals
Removable
E-series protective relays E-series protective relays Interfacing with an Eaton E-Series Relay, Step 6: Front Panel Navigation Interfacing with an Eaton E-Series Relay, Step 6: Front Panel Navigation Interfacing with an Eaton E-Series Relay, Step 6: Front Panel Navigation Interfacing with an Eaton E-Series Relay, Step 6: Front Panel Navigation Interfacing with an Eaton E-Series Relay, Step 6: Front Panel Navigation Interfacing with an Eaton E-Series Relay, Step 6: Front Panel Navigation Interfacing with an Eaton E-Series Relay, Step 6: Front Panel Navigation Eaton Specification Sheet - ETR-5000-2A2IB0
The ETR-5000-2A2IB0 provides 8 digital inputs and 9 outputs with removable terminals and a semi-flush mounting option, enabling flexible protection wiring and faster installation. This configuration supports complex protection schemes while reducing field wiring time and improving fault isolation within switchgear assemblies. The unit’s power supply range spans 19-300Vdc and 40-250Vac, allowing operation from diverse plant power conditions and simplifying inventory management by supporting both DC and AC control power. Communication is built-in with Modbus over RS-485 RTU and Modbus over Ethernet TCP, delivering seamless SCADA integration, remote monitoring, and faster diagnostic cycles—driving lower downtime and improved asset visibility. Conformal coating enhances reliability in harsh industrial environments, while features like Trip Coil Monitor, Sensitive Ground Input, IRIG-B, and Zone Selective Interlocking further improve protection coordination. With 8 inputs and 9 outputs, plus a 50/60 Hz operating range, this relay provides broad compatibility for transformer protection and metering tasks across utilities and manufacturing plants.

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FAQs

Install using the removable terminals and semi-flush mounting to simplify wiring and panel fit. Connect 19-300Vdc or 40-250Vac as the power source, tie in the 8 digital inputs and 9 outputs to your protection scheme, and configure Modbus RTU over RS-485 or Modbus TCP over Ethernet for SCADA integration. Ensure the unit is conformally coated for harsh environments if applicable and verify wiring integrity with Eaton’s installation guidelines.
Key specs include 8 digital inputs, 9 digital outputs, 2 current sensing inputs, 19-300Vdc and 40-250Vac power range, 50/60 Hz operation, Modbus/ DNP3 RTU over RS-485, Modbus/ DNP3 TCP over Ethernet, and Zone Selective Interlocking with a 2-zone capability. It also features Trip Coil Monitor and Sensitive Ground Input, supporting comprehensive transformer protection.
Yes. Designed as a transformer protection relay, it provides multi-parameter protection, metering options, and networked communications (RS-485 and Ethernet) for integration with substation SCADA systems. The 8/9 I/O configuration and configurable sensing inputs support differential, voltage, current, and power protection schemes essential for reliable substation operation.
Compliance for this model is listed as Contact Manufacturer. Verify with Eaton for the exact certifications applicable to your region and application, such as CE marking, UL/CSA, IP ratings, and any SIL considerations. Confirming these details ensures alignment with plant safety, regulatory, and maintenance standards.
Warranty is one year from installation or 18 months from shipment, whichever occurs first. The unit’s robust construction (conformal coating option, detachable terminals, and remote communication) reduces field downtime and simplifies diagnostics via RS-485 and Ethernet. ROI is driven by faster fault isolation, reduced MTTR, and improved protection coordination across transformer assets and feeder networks.