Eaton ETR-4000-2A3CA0 Transformer Relay - Modbus TCP

Part Number: ETR-4000-2A3CA0
ETR-4000-2A3CA0
Manufacturer
Eaton
Part number
ETR-4000-2A3CA0
Category

Quick Summary

ETR-4000-2A3CA0 transformer relay is designed to monitor and protect transformer circuits in industrial power distribution networks. This unit helps eliminate blind spots in protection schemes by delivering integrated sensing, signaling, and monitoring in a single stack. Note that compliance details are listed as 'Contact Manufacturer'—verify CE, SIL, and IP ratings directly with Eaton to meet site requirements. With Modbus TCP or DNP3 TCP over Ethernet RJ-45, it enables seamless SCADA integration, enabling data-driven maintenance and faster fault resolution. This translates to reduced downtime, improved safety, and a clearer path to regulatory alignment while leveraging Eaton’s robust protection platform for transformer protection relays.

Product Information

Extended Description

ETR-4000-2A3CA0 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 ,Trip Coil Monitor,Sensitive Ground Input
Product Name
Eaton transformer relay
Catalog Number
ETR-4000-2A3CA0
UPC
786679154434
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 TCP or DNP3 TCP/UDP over Ethernet RJ45
Current sensing inputs
2
Digital inputs
8
Digital outputs
9
I/O options
IRIG-B URTD Interface Trip Coil Monitor Sensitive Ground Input
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
Power metering, monitoring and diagnostics products for OEMs Power metering, monitoring and diagnostics products for OEMs 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-4000-2A3CA0 Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: 8 digital inputs and 9 digital outputs provide flexible control and fault signaling, reducing wiring complexity and enabling richer protection schemes for transformer protection in substations and industrial plants. This simplifies commissioning and lowers panel footprint while enabling faster fault isolation in critical power paths. Feature → Business Impact → Application: Two current sensing inputs support differential and metering protection, enabling precise transformer fault detection and energy monitoring across data centers and manufacturing facilities with minimal added hardware. Feature → Business Impact → Application: Wide power supply range from 19-300 Vdc and 40-250 Vac accommodates diverse plant environments, improving deployment speed and reducing inventory variety for global projects. Feature → Business Impact → Application: Modbus TCP or DNP3 TCP over Ethernet RJ-45 ensures straightforward integration with existing SCADA and automation ecosystems, decreasing engineering effort and aligning with industry-standard communication protocols in utilities and process industries. Feature → Business Impact → Application: 50/60 Hz compatibility, plus IRIG-B URTD Interface and Trip Coil Monitor support, delivers better protection coordination and faster fault reporting in transformer banks across utility substations and industrial facilities. Feature → Business Impact → Application: Removable terminals and semi-flush mounting simplify installation and serviceability, reducing commissioning time and maintenance downtime in retrofit projects and new installations. Warranty and service terms are explicit in Eaton Selling Policy 25-000, offering a clear lifecycle expectation for procurement, installation, and long-term maintenance planning.

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FAQs

The unit provides 8 digital inputs and 9 digital outputs, plus 2 current sensing inputs. This enables flexible protection logic and signaling with minimal external wiring. For installation, the removable terminals and semi-flush mounting option streamline panel integration and future maintenance, reducing downtime during commissioning and upgrades.
Integration is designed around Ethernet RJ-45 with Modbus TCP or DNP3 TCP protocols. This supports straightforward data exchange with common SCADA platforms, enabling real-time monitoring, fault alarms, and metering data. Ensure network topology allows TCP/IP communication and configure registers and points to match your SCADA master.
Yes, the ETR-4000-2A3CA0 is intended for transformer protection with differential protection and metering capability. It supports flexible I/O for signaling and monitoring, making it applicable to critical loads in data centers and utility substations. Confirm site-specific compliance and wiring with Eaton prior to deployment.
Compliance details are listed as 'Contact Manufacturer' in the data. Customers should verify CE, SIL, IP ratings, and any other regulatory requirements directly with Eaton to ensure alignment with local codes and site standards.
The relay provides integrated monitoring, signaling, and protection with SCADA-ready communication, enabling proactive fault detection and reduced unplanned outages. The removable terminals and modular I/O simplify maintenance, while the warranty terms from Eaton offer lifecycle clarity, contributing to lower total cost of ownership and improved uptime.