Eaton ETR-4000-2A3EB0 Transformer Relay - Profibus-DP

Part Number: ETR-4000-2A3EB0
ETR-4000-2A3EB0
Manufacturer
Eaton
Part number
ETR-4000-2A3EB0
Category

Quick Summary

Eaton transformer relay ETR-4000-2A3EB0 provides precise transformer protection for industrial power systems. Many engineers struggle with downtime and slow fault isolation when protection relays do not integrate cleanly with fieldbus networks. Certification details are not listed in the data; contact the manufacturer for CE, SIL or IP ratings, while the unit offers Profibus-DP over D-Sub/RS-485 interoperability. This solution supports 8 digital inputs, 9 outputs, two current sensing inputs, and a wide power range, delivering reliable transformer protection in automation projects. By combining robust protection with scalable communications, it helps reduce downtime and streamline integration for OEMs and maintenance teams.

Product Information

Extended Description

ETR-4000-2A3EB0 Eaton: Eaton, transformer relay, ETR-4000, Transformer protection relay, Profibus-DP over D-SUB / RS485, 5A, 1A, 40-250 Vac, 19-300 Vdc, 8, 9,Transformer, over D-Sub / RS-485,19-300Vdc, 40-250Vac, 50/60 Hz Sensitive Ground Input
Product Name
Eaton transformer relay
Catalog Number
ETR-4000-2A3EB0
UPC
786679154595
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
Profibus-DP over D-SUB / RS485
Current sensing inputs
2
Digital inputs
8
Digital outputs
9
I/O options
Trip Coil Monitor URTD Interface IRIG-B Sensitive Ground Input
Phase current
5A, 1A
PROFIBUS-DP
over D-Sub / RS-485
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
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Feature 1: 8 digital inputs and 9 digital outputs enable full monitoring and control of transformer protection logic. Business impact: faster fault identification, more deterministic interactions with protection schemes, and potential for increased system availability. Application: ideal for transformer protection relays in automation cells and power distribution frames. Feature 2: 2 current sensing inputs and differential protection capabilities deliver accurate fault detection with reduced nuisance trips. Business impact: improved selectivity and safer start-up sequences, lowering maintenance costs. Application: essential in medium to large low- and medium-voltage transformer applications with dynamic load profiles. Feature 3: Wide power supply range (19-300 Vdc, 40-250 Vac) and 50/60 Hz operation simplify installation across global facilities. Business impact: reduced wiring complexity and faster commissioning. Application: suited for OEM machinery, substation retrofits, and distributed control architectures. Feature 4: Profibus-DP over D-Sub / RS-485 communication ensures robust fieldbus integration. Business impact: seamless data exchange with PLCs and supervisory systems, enabling remote diagnostics and centralized protection logic. Application: ideal for plant-wide protection networks and modernization projects. Feature 5: Conformal coated circuit boards and removable terminals enhance reliability in harsh environments and ease serviceability. Business impact: longer mean time between failures and simplified maintenance. Application: harsh factory floors, outdoor enclosures, and retrofit installations. Feature 6: Zone selective interlocking and IRIG-B/Sensitive Ground Input options provide advanced protection strategies. Business impact: faster clearance of faults and improved coordination with upstream devices. Application: critical protection schemes in large power networks and transformer banks.

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FAQs

The ETR-4000-2A3EB0 features removable terminals and semi-flush mounting, which simplify field wiring and panel installation. Plan for a compatible enclosure, verify the 19-300Vdc or 40-250Vac power supply, and consider the conformal coated circuit boards for harsh environments to maximize reliability and reduce maintenance.
Key specs include 8 digital inputs, 9 digital outputs, 2 current sensing inputs, phase currents of 5A/1A, power supply range 19-300Vdc or 40-250Vac, and 50/60 Hz operation. Communications are via Profibus-DP over D-Sub/RS-485, enabling integration with standard PLCs and SCADA systems.
Yes. The relay supports Profibus-DP over D-Sub/RS-485, allowing reliable data exchange and remote diagnostics with compatible PLCs and industrial controllers, which simplifies protection coordination in transformer and substation applications.
Warranty is Eaton’s standard policy: one year from installation or 18 months from shipment, whichever comes first. Compliance details such as CE, SIL, or IP ratings are not listed in the provided data; contact Eaton for definitive certifications and regulatory requirements before deployment.
It offers robust protection with scalable communications, enabling faster fault isolation, reduced downtime, and easier integration with existing automation architectures. Features like zone selective interlocking, eight inputs, and nine outputs support reliable protection coordination across transformer banks in manufacturing and power distribution environments.