Eaton ETR-4000-2A2CB0 Transformer relay - Modbus TCP / DNP3 over Ethernet

Part Number: ETR-4000-2A2CB0
ETR-4000-2A2CB0
Manufacturer
Eaton
Part number
ETR-4000-2A2CB0
Category

Quick Summary

The Eaton transformer relay ETR-4000-2A2CB0 delivers advanced transformer protection for industrial power networks. This solution aims to reduce fault impact and accelerate diagnostics by enabling remote monitoring over Ethernet. While specific certifications aren’t listed here, typical approvals are pursued with Eaton to meet CE, SIL, and IP requirements as applicable. Users gain a robust, scalable protection layer that supports modern control systems without sacrificing reliability. By leveraging Modbus TCP or DNP3 TCP/UDP over Ethernet RJ-45, this relay simplifies integration with SCADA and automation platforms, delivering faster fault isolation and improved asset availability for critical transformer assets.

Product Information

Extended Description

ETR-4000-2A2CB0 Eaton: Eaton, transformer relay, ETR-4000, Transformer protection relay,5A, 1A, 40-250 Vac, 19-300 Vdc, 8, 9,Transformer, , over Ethernet RJ-45,19-300Vdc, 40-250Vac, 50/60 Hz Sensitive Ground InputTrip Coil Monitor,
Product Name
Eaton transformer relay
Catalog Number
ETR-4000-2A2CB0
UPC
786679155080
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
Modbus TCP or DNP3 TCP/UDP over Ethernet RJ45
Current sensing inputs
2
Digital inputs
8
Digital outputs
9
I/O options
Sensitive Ground Input URTD Interface IRIG-B Trip Coil Monitor
Modbus / DNP3 RTU
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
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-4000-2A2CB0
Feature → Business Impact → Application: The ETR-4000-2A2CB0 provides 8 digital inputs and 9 digital outputs with 2 current sensing inputs, enabling comprehensive protection logic and precise interlock control across transformer substations. This translates to reduced misoperations and faster isolation of faults in industrial plants. Application: Substation protection schemes and plant transformer bays where reliable I/O is essential for coordinated protection.

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FAQs

The relay features removable terminals and semi-flush mounting for straightforward installation, minimizing field wiring and panel space. With 8 digital inputs and 9 outputs, plus 2 current-sensing inputs, it supports scalable protection logic. Integrate quickly with existing SCADA via Modbus TCP or DNP3 over Ethernet RJ-45, and leverage available installation resources such as Eaton’s front-panel navigation tutorials.
ETR-4000-2A2CB0 provides differential protection, current protection and metering functions, supported by 8 inputs and 9 outputs and 2 current-sensing inputs. It operates on 50/60 Hz with a power-supply range of 19-300 Vdc or 40-250 Vac, enabling accurate fault detection and precise metering for transformer monitoring in demanding environments.
Yes. The device supports Modbus TCP or DNP3 TCP/UDP over Ethernet RJ-45, allowing seamless integration with modern control systems and data historians. This compatibility reduces commissioning time, enables remote diagnostics, and supports centralized protection schemes across multiple transformers in the same facility.
Certification details are not listed in the provided data. For authoritative confirmation of CE, SIL, IP ratings or other regulatory approvals, contact Eaton or refer to the official Eaton specification sheet. This ensures the model meets your regional safety and reliability requirements before deployment.
The relay consolidates protection, metering and remote communication in a single unit, reducing wiring, panel real estate and commissioning time. With conformal coating for harsh environments, removable terminals for serviceability, and zone selective interlocking, it minimizes downtime, improves fault isolation speed, and supports predictive maintenance, delivering measurable uptime gains and lower lifecycle costs.