Eaton ETR-4000-2A1GA0 Transformer Relay - Modbus RTU RS-485

Part Number: ETR-4000-2A1GA0
ETR-4000-2A1GA0
Manufacturer
Eaton
Part number
ETR-4000-2A1GA0
Category

Quick Summary

The Eaton transformer relay ETR-4000-2A1GA0 provides transformer protection and monitoring for industrial power systems. Engineers often face challenges integrating protective relays into SCADA and coordinating devices across panels; this model addresses those gaps with Modbus RTU over RS-485 and DNP3 RTU compatibility for remote access. Compliances are specified by the manufacturer, so verify current approvals with Eaton; the warranty covers one year from installation or eighteen months from shipment, whichever occurs first. With robust I/O, versatile power input ranges, and configurable protections, it delivers measurable business value while simplifying panel design and commissioning.

Product Information

Extended Description

ETR-4000-2A1GA0 Eaton: Eaton, transformer relay, ETR-4000, Transformer protection relay, Modbus RTU or DNP3 RTU over D-SUB / RS485, 5A, 1A, 40-250 Vac, 19-300 Vdc, 8, 9,Transformer, D-Sub / RS-485, 19-300Vdc, 40-250Vac, 50/60 Hz Sensitive Ground Input
Product Name
Eaton transformer relay
Catalog Number
ETR-4000-2A1GA0
UPC
786679154397
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
Communication
Modbus RTU or DNP3 RTU over D-SUB / RS485
Current sensing inputs
2
Digital inputs
8
Digital outputs
9
I/O options
URTD Interface Sensitive Ground Input Trip Coil Monitor IRIG-B
Modbus / DNP3 RTU
D-Sub / RS-485
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
E-series protective relays E-series protective relays Eaton Distribution and Transformer Relays Eaton Distribution and Transformer Relays Eaton Distribution and Transformer Relays Eaton Distribution and Transformer Relays Eaton Distribution and Transformer Relays Eaton Distribution and Transformer Relays Eaton Distribution and Transformer Relays Eaton Specification Sheet - ETR-4000-2A1GA0
Feature: 8 digital inputs, 9 digital outputs, and 2 current sensing inputs enable comprehensive protection logic and flexible interlock schemes. Business impact: richer protection schemes and faster fault isolation reduce downtime and improve safety. Application: transformer protection in switchgear and power distribution panels, with straightforward SCADA integration. Feature: Modbus RTU or DNP3 RTU over D-Sub/RS-485 enables seamless communication with existing control systems. Business impact: enables remote monitoring, alarms, and coordinated tripping, lowering maintenance costs. Application: OEM equipment and substations requiring reliable remote access. Feature: Power supply range of 19-300 Vdc and 40-250 Vac with 50/60 Hz frequency supports diverse plant power environments. Business impact: reduces wiring complexity and stock variety, shortening installation time. Application: new builds and retrofits across mixed-utility facilities. Feature: Sensing inputs include Differential Protection, Current Protection, and Metering for precise protection coordination. Business impact: accurate fault detection and metering support for energy management. Application: transformer protection and performance monitoring. Feature: I/O options like URTD Interface, Sensitive Ground Input, Trip Coil Monitor, and IRIG-B time sync improve diagnostics and reliability. Business impact: enhanced fault situational awareness and time synchronization for protection logic. Application: critical protection sequences and event logging in high-demand environments. Feature: Removable terminals and semi-flush mounting simplify installation, servicing, and retrofit projects. Business impact: faster commissioning, easier field maintenance, and reduced cabinet downtime. Application: retrofits in existing panels where space is at a premium.

Get a Quick Quote for a Eaton ETR-4000-2A1GA0

Chat with us on WhatsApp - fast responses guaranteed

Need to speak with someone? We'll call you back within 2 hours during business hours

Interested in Eaton ETR-4000-2A1GA0? Enquire Now

FAQs

Plan for a semi-flush mounting and utilize removable terminals to simplify wiring and future servicing. With eight digital inputs, nine outputs, and two current sensing inputs, map protective functions to your transformer protection scheme while ensuring clear separation of power and control wiring. Verify power supply compatibility (19-300 Vdc or 40-250 Vac) and ensure RS-485 communication lines for Modbus RTU or DNP3 RTU are properly terminated.
The device provides differential protection, current protection, and metering, plus zone selective interlocking (2) to coordinate with other protection devices. Its 8/9 I/O count supports complex protection logic, and the Modbus RTU/DNP3 RTU over RS-485 interface enables integration with SCADA and automation systems, improving fault isolation speed and system reliability in substation environments.
Modbus RTU over RS-485 offers a widely adopted, robust serial communication path that SMAs and control systems can readily poll for status, faults, and metering data. The ETR-4000-2A1GA0 also supports DNP3 RTU, broadening compatibility with legacy and modern SCADA platforms. This reduces integration time and minimizes custom interfacing hardware.
Compliances are specified by the manufacturer; confirm Eaton's current approvals for CE, UL, and other regional certifications before field deployment. Review the warranty terms (one year from installation, or eighteen months from shipment) and ensure the product meets your site’s regulatory and safety requirements, particularly for transformer protection relays in critical power systems.
Beyond the upfront purchase, expect reduced downtime due to faster fault detection and improved protection coordination. The one-year warranty (or 18 months from shipment) minimizes maintenance risk, while modular I/O and removable terminals ease upgrades and servicing. Remote communication capabilities shorten on-site visits, contributing to lower long-term operating expenses.