Eaton ETR-4000-2A0IA1 Transformer Relay - 50/60 Hz

Part Number: ETR-4000-2A0IA1
ETR-4000-2A0IA1
Manufacturer
Eaton
Part number
ETR-4000-2A0IA1
Category

Quick Summary

The Eaton Transformer Relay ETR-4000-2A0IA1 provides transformer protection for industrial power systems. Facing downtime and miscoordination in protection schemes, engineers need reliable devices that simplify monitoring, fault tracing, and integration with RS-485 and Ethernet networks. While exact certifications should be confirmed on the datasheet, reference products in this class commonly support CE marking and industry-grade protection features, with rugged enclosure options. Key features include 8 digital inputs and 9 outputs, dual current sensing inputs, and a wide power-supply range of 19–300 Vdc or 40–250 Vac, enabling flexible retrofits. With projection mounting and removable terminals, installation is straightforward, reducing commissioning time and improving long-term reliability in harsh industrial environments.

Product Information

Extended Description

ETR-4000-2A0IA1 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, Projection,Trip Coil Monitor
Product Name
Eaton transformer relay
Catalog Number
ETR-4000-2A0IA1
UPC
786679153772
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
None
Current sensing inputs
2
Digital inputs
8
Digital outputs
9
I/O options
URTD Interface Trip Coil Monitor IRIG-B
Modbus / DNP3 RTU
over RS-485
Modbus / DNP3 TCP
over Ethernet RJ-45
Phase current
5A, 1A
Sensing inputs
Current 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
0
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-4000-2A0IA1
Feature: 8 digital inputs and 9 outputs with 2 current-sensing inputs provides robust onboard protection logic, reducing reliance on external devices. Business Impact: Faster fault isolation, simplified wiring, and scalable protection for transformer banks. Application: Ideal for substations and industrial plants needing reliable transformer protection with integrated metering. Feature: Modbus/ DNP3 RTU over RS-485 and Modbus TCP over Ethernet enables seamless SCADA and DCS integration. Business Impact: Real-time monitoring, remote diagnostics, and lower on-site maintenance costs. Application: Suited for distributed protection schemes and remote plant automation. Feature: Wide power supply range 19–300 Vdc and 40–250 Vac with 50/60 Hz operation supports diverse plant electrical architectures. Business Impact: Flexible retrofits across legacy and modern equipment, reducing conversion expenses. Application: Global deployments and multi-plant installations. Feature: Projection mounting and removable terminals streamline installation and field service. Business Impact: Faster commissioning, easier maintenance, and reduced downtime during replacements. Application: OEMs and end users prioritizing serviceability in harsh environments. Feature: I/O options URTD Interface, Trip Coil Monitor, and IRIG-B timing support advanced interlocking and precise timing coordination. Business Impact: Improved protection coordination and synchronised operations across devices. Application: Critical protection schemes in transformer protection and system automation. Feature: Zone selective interlocking (2) and differential protection sensing enhance selective tripping and fault discrimination. Business Impact: Minimized outage impact and enhanced safety margins. Application: High-reliability transformer protection in power networks and industrial facilities.

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FAQs

The unit uses projection mounting and features removable terminals for straightforward wiring. Its 8 digital inputs and 9 outputs, plus 2 current-sensing inputs, enable compact, field-friendly protection logic without relying on extensive external hardware. This arrangement simplifies retrofits and reduces commissioning time while maintaining reliable electrical isolation and safe maintenance access.
Key specs include a power-supply range of 19-300 Vdc or 40-250 Vac, 50/60 Hz operation, 8 digital inputs, 9 digital outputs, and 2 current-sensing inputs. Communications cover RS-485 Modbus RTU and Ethernet Modbus TCP for SCADA integration. The device supports current protection, metering, and differential protection, enabling comprehensive transformer protection with precise fault detection.
Yes. The ETR-4000-2A0IA1 is designed for transformer protection in industrial power systems, offering zone selective interlocking, differential protection, and current protection/metering. Its 8/9 I/O configuration and URTD, Trip Coil Monitor, and IRIG-B timing options support coordinated protection schemes, time synchronization, and reliable fault isolation in substations, manufacturing plants, and energy facilities.
Compliances are listed as 'Contact Manufacturer' in the data, so verify current approvals on Eaton’s official datasheets and regional certificates. Check CE markings, safety approvals, and any region-specific standards on the ETR-4000-2A0IA1 datasheet to ensure alignment with your plant’s regulatory requirements and installation site.
The relay offers removable terminals and projection mounting to simplify maintenance and reduce downtime during field service. With 8 inputs and 9 outputs, integrated RS-485 and Ethernet, and built-in protection features, it lowers commissioning time, minimizes spare-part complexity, and can improve protection reliability, contributing to a favorable return on investment through reduced outages and streamlined diagnostics.