Eaton ETR-4000-2A0LB0 Transformer Relay - 50/60 Hz

Part Number: ETR-4000-2A0LB0
ETR-4000-2A0LB0
Manufacturer
Eaton
Part number
ETR-4000-2A0LB0
Category

Quick Summary

Eaton transformer relay guards transformer assets in industrial power systems by monitoring protection and fault conditions. Integrating protection relays with modern communications can be complex, risking downtime and slowing fault diagnosis. Certifications commonly sought include SIL, CE, and IP ratings to meet safety, regulatory, and harsh-environment demands; for this product, refer to the manufacturer datasheet for specific approvals. With built-in Modbus and DNP3 TCP communications over LC fiber, 8 digital inputs and 9 outputs, plus flexible power options, it enables scalable protection and remote monitoring that supports asset uptime and operational reliability.

Product Information

Extended Description

ETR-4000-2A0LB0 Eaton: Eaton, transformer relay, ETR-4000, Transformer protection relay, Mbus TCP or DNP3 TCP/UDP over LC duplex FO Enet, 5A, 1A, 40-250 Vac, 19-300 Vdc, 8, 9,Transformer, 19-300Vdc, 40-250Vac, 50/60 Hz Trip Coil Monitor,
Product Name
Eaton transformer relay
Catalog Number
ETR-4000-2A0LB0
UPC
786679154007
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
Mbus TCP or DNP3 TCP/UDP over LC duplex FO Enet
Current sensing inputs
2
Digital inputs
8
Digital outputs
9
I/O options
URTD Interface IRIG-B Trip Coil Monitor
Modbus / DNP3 TCP
over LC duplex fiber optic Ethernet
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
Semi-flush
Voltage sensing inputs
0
Terminals
Removable
E-series protective relays E-series protective relays Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E Eaton Specification Sheet - ETR-4000-2A0LB0
Feature: 8 digital inputs and 9 digital outputs; Business Impact: expanded control and monitoring capacity for transformer protection and automation; Application: suitable for medium- to large-scale transformer protection schemes. Feature: 2 current sensing inputs; Business Impact: enhances differential protection and metering accuracy, reducing nuisance trips and improving fault characterization. Feature: Mbus TCP or DNP3 TCP/UDP over LC duplex fiber Ethernet; Business Impact: robust, long-distance plant networking with secure, real-time data for remote monitoring and diagnostics; Application: substations and process facilities. Feature: IRIG-B Trip Coil Monitor and URTD interface; Business Impact: precise time stamping and rapid trip coordination, lowering response times in cascaded protection arrangements. Feature: Conformal coated circuit boards and removable terminals; Business Impact: improved reliability in harsh environments and easier maintenance during upgrades; Application: retrofit projects with minimal downtime. Overall, the device’s power supply range of 19-300 Vdc and 40-250 Vac, along with 50/60 Hz operation, ensures broad compatibility across diverse electrical systems and installation conditions, supporting lower total cost of ownership and faster deployment in control rooms and field sites.

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FAQs

The ETR-4000-2A0LB0 uses removable terminals and a semi-flush mounting method, which simplifies retrofits and upgrades. Plan for eight digital inputs, nine outputs, and two current-sensing inputs, wiring for 19-300 Vdc or 40-250 Vac power, and the LC fiber communications link for Mbus TCP or DNP3 TCP. Ensure proper clean connections and verify phase compatibility before commissioning.
Key specs include power supply range of 19-300 Vdc and 40-250 Vac, frequency rating of 50/60 Hz, eight digital inputs, nine digital outputs, and two current sensing inputs. The device supports IP-rated environmental considerations via conformal coating and is designed for transformer protection and metering, enabling accurate protection coordination and fault sensing in equipment networks.
Yes. The unit supports Mbus TCP or DNP3 TCP/UDP over LC duplex fiber Ethernet, enabling secure, real-time data exchange with SCADA, DCS, and other protection systems. This compatibility simplifies integration into existing plant networks and supports remote monitoring, event logging, and coordinated protection actions across distributed transformers.
It is well suited for transformer protection and monitoring in substations, industrial plants, and utility-scale facilities. With 8 inputs and 9 outputs, IRIG-B time coordination, TRIP coil monitoring, and zone selective interlocking, it supports complex protection schemes, metering, and remote diagnostics, reducing outage durations and improving asset life-cycle management.
Warranty is Eaton’s standard policy: one year from installation or eighteen months from shipment, whichever occurs first. Maintenance considerations include periodic verification of communication links (Mbus/DNP3 fiber), terminal integrity due to removable connections, and ensuring conformal coating integrity in harsh environments. Regular software/firmware updates per Eaton recommendations help sustain protection accuracy.