Eaton ETR-4000-2A1CB0 Transformer Relay - 50/60 Hz

Part Number: ETR-4000-2A1CB0
ETR-4000-2A1CB0
Manufacturer
Eaton
Part number
ETR-4000-2A1CB0
Category

Quick Summary

Eaton transformer relay ETR-4000-2A1CB0 provides transformer protection and monitoring for industrial power systems. Engineers often struggle with reliable protection, accurate sensing, and secure remote communication, which can drive downtime and maintenance costs. Regulatory compliance considerations, including CE marking and other region-specific certifications, should be confirmed with Eaton. This solution integrates Modbus TCP over Ethernet, robust current protection and metering, plus flexible I/O, delivering scalable protection for new installations and upgrades while helping you meet uptime targets and regulatory expectations. Designed for OEMs and end users, it supports 8 digital inputs, 9 outputs, and 2 current sensing inputs, aligning with common transformer protection schemes.

Product Information

Extended Description

ETR-4000-2A1CB0 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 Input,Trip Coil Monitor,
Product Name
Eaton transformer relay
Catalog Number
ETR-4000-2A1CB0
UPC
786679154182
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 IRIG-B Trip Coil Monitor URTD Interface
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
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Feature: 8 digital inputs and 9 outputs → Business Impact: simplifies panel wiring and enables complex interlocks, reducing install time and errors, which translates to faster project completion and improved protection schemes. Application: ideal for transformer protection in substations or plant equipment rooms. Feature: Modbus TCP or DNP3 TCP/UDP over Ethernet RJ-45 → Business Impact: enables seamless SCADA/EMS integration, real-time monitoring, and faster fault isolation. Application: remote diagnostics and centralized control in industrial facilities. Feature: Differential and current protection with metering → Business Impact: enhances selective tripping and accurate energy accounting, lowering arc-flash risk and energy loss. Application: transformer banks with Zone Selective Interlocking. Feature: I/O versatility including Sensitive Ground Input, IRIG-B, Trip Coil Monitor, and URTD Interface → Business Impact: expands diagnostic and synchronization capabilities, reducing maintenance visits. Application: critical protection in high-availability installations. Feature: Power supply range of 19-300 Vdc / 40-250 Vac and 50/60 Hz → Business Impact: supports diverse plant mains and variable environments, improving install flexibility and reliability. Application: retrofit or new build projects across varied geographies. Feature: Conformal coated circuit boards and removable terminals → Business Impact: improves reliability in harsh environments and simplifies field servicing. Application: outdoor or rugged indoor installations with long service life. Feature: 8 inputs, 2 current sensing inputs, 5A/1A phase currents, 9 outputs → Business Impact: enables comprehensive protection logic and alarm signaling without expanding cabinet size. Application: scalable protection for medium-to-large transformers. These features collectively support compliance goals, reduce total cost of ownership, and align with industry best practices for transformer protection and monitoring.

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FAQs

Install using the removable terminals and semi-flush mounting to simplify integration with existing protection networks. Connect 8 digital inputs, 2 current sensing inputs, and 9 outputs to your protection logic, and wire Modbus TCP over Ethernet RJ-45 for SCADA integration. Reference Eaton documentation for wiring diagrams and sequence of operation.
Key specs include 8 digital inputs, 9 outputs, 2 current sensing inputs, 5A and 1A phase currents, a power supply range of 19-300Vdc and 40-250Vac, and a 50/60 Hz frequency rating. It supports Modbus TCP or DNP3 TCP/UDP over Ethernet, enabling accurate protection decisions and metering data.
Best suited for industrial power systems, substations, data centers, and OEM equipment that require robust transformer protection, metering, and reliable SCADA communication. Its zone selective interlocking and trip coil monitoring support high-availability installations and complex transformer banks used in medium to large scale facilities.
Regulatory compliance typically involves CE marking and region-specific certifications. Compliances are designated by the manufacturer, so verify exact approvals with Eaton for your country or sector. Use the published specification sheet and Eaton’s compliance documentation to confirm certification status prior to procurement.
Maintenance benefits include reduced field visits due to remote Modbus/TCP monitoring, longer service intervals thanks to conformal-coated PCBs, and easily replaceable removable terminals. ROI gains come from faster fault isolation, lower downtime, and improved protection accuracy through integrated metering and zoned interlocking.