Eaton ETR-4000-2A1IB0 Transformer Relay - Protection

Part Number: ETR-4000-2A1IB0
ETR-4000-2A1IB0
Manufacturer
Eaton
Part number
ETR-4000-2A1IB0
Category

Quick Summary

Eaton transformer relay ETR-4000-2A1IB0 provides advanced transformer protection for switchgear and power distribution applications. This device helps engineers detect faults quickly, coordinate protective actions, and maintain system reliability in demanding environments. Many plants struggle with noisy signals, delayed diagnostics, and difficult integration across legacy equipment. The ETR-4000-2A1IB0 addresses these challenges with flexible I/O, serial and Ethernet communications, and a robust protection algorithm. Certification and compliance details vary by region, and the model lists "Compliances: Contact Manufacturer"—verify CE, SIL or IP ratings with Eaton for your installation. Leveraging these capabilities helps reduce downtime, improve maintenance planning, and support longer transformer service life while aligning with monitoring and metering objectives.

Product Information

Extended Description

ETR-4000-2A1IB0 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 MonitorSensitive Ground Input
Product Name
Eaton transformer relay
Catalog Number
ETR-4000-2A1IB0
UPC
786679155325
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
Trip Coil Monitor IRIG-B Sensitive Ground Input URTD Interface
Modbus / DNP3 RTU
over RS-485
Modbus / DNP3 TCP
over Ethernet RJ-45
Phase current
5A, 1A
Sensing inputs
Differential Protection Current 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
Semi-flush
Voltage sensing inputs
0
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 3: Getting Started with the E-Series Wizard Programming an Eaton E-Series Relay, Step 3: Getting Started with the E-Series Wizard Programming an Eaton E-Series Relay, Step 3: Getting Started with the E-Series Wizard Programming an Eaton E-Series Relay, Step 3: Getting Started with the E-Series Wizard Programming an Eaton E-Series Relay, Step 3: Getting Started with the E-Series Wizard Programming an Eaton E-Series Relay, Step 3: Getting Started with the E-Series Wizard Programming an Eaton E-Series Relay, Step 3: Getting Started with the E-Series Wizard Eaton Specification Sheet - ETR-4000-2A1IB0 Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: The device offers 8 digital inputs and 9 digital outputs, enabling comprehensive monitoring and control of transformer protection schemes, which translates to faster fault detection and reduced outage times in distribution networks. Application: OEM panel builds and substation retrofits benefit from quicker diagnostics and streamlined wiring paths. Feature → Business Impact → Application: Power supply range of 19-300 Vdc / 40-250 Vac supports diverse plant voltages, reducing inventory needs and simplifying installation across units. Application: Retrofit projects and new builds where multi- voltage environments coexist. Feature → Business Impact → Application: Modbus over RS-485 and Modbus TCP over Ethernet RJ-45 open up seamless integration with existing SCADA/HMI systems, enabling centralized monitoring and remote diagnostics. Application: Transformer protection in OEMs, switchgear assemblies, and plant-wide protection schemes. Feature → Business Impact → Application: Zone selective interlocking (2) and IRIG-B capable I/O options enhance selective tripping accuracy and time synchronization, improving coordination and reducing collateral damage during faults. Application: High-availability substations and industrial transformer's protective coordination. Feature → Business Impact → Application: Conformal coating on circuit boards and removable terminals offer rugged reliability in harsh environments, boosting uptime and simplifying maintenance. Application: Outdoor or damp environments and field service operations. Feature → Business Impact → Application: 5A / 1A phase current sensing inputs, 2 current sensing inputs, and 0 analog inputs provide flexible protection schemes and metering capabilities, enabling precise fault analysis and energy monitoring. Application: Protective relaying in transformer banks and motor-protected feeders. This combination of compatibility, protection features, and robust construction supports faster deployment, lower lifecycle costs, and easier upgrades for existing electrical protection architectures.

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FAQs

installation can begin with removing the terminals for easy panel routing and semi-flush mounting. The device uses removable terminals, which simplifies wiring changes and field upgrades. Cross-check the 8 digital inputs and 9 outputs against your current protection scheme, and consult the datasheet to verify terminal assignments and wiring diagrams before powering up.
The relay provides 8 digital inputs and 9 digital outputs, plus 2 current sensing inputs. It supports a power supply range of 19-300 Vdc and 40-250 Vac, with 50/60 Hz operation. This configuration enables comprehensive transformer protection logic, metering, and trip coordination in a compact protection relay package.
Yes, the ETR-4000-2A1IB0 supports Modbus over RS-485 and Modbus TCP over Ethernet RJ-45. This enables seamless integration with existing SCADA or DCS systems, enabling remote monitoring, diagnostic data retrieval, and centralized protection management across transformer assets.
It includes differential protection, current protection, metering, and zone selective interlocking, with a Trip Coil Monitor and IRIG-B interface as possible I/O options. These features enable accurate fault detection, fast isolation, precise synchronization, and improved protection coordination within transformer banks used in power generation and distribution.
Documentation such as datasheets, programming guides, and compliance policies are available from Eaton. Key resources include the Eaton Specification Sheet for ETR-4000-2A1IB0 and related programming videos. For region-specific compliance (CE, IP ratings, SIL), contact Eaton to confirm certifications and obtain the latest installation and safety guidance.