Eaton ETR-5000-2A3KB1 Transformer Relay - 50/60 Hz

Part Number: ETR-5000-2A3KB1
ETR-5000-2A3KB1
Manufacturer
Eaton
Part number
ETR-5000-2A3KB1
Category

Quick Summary

The Eaton transformer relay ETR-5000-2A3KB1 provides advanced protection for medium and large electrical feeders in industrial plants. Engineers often grapple with coordinating protection signals across diverse inputs while maintaining reliability under harsh industrial conditions. Compliance considerations include CE marking, IP-rated enclosures, and SIL-ready protection logic to reduce risk in critical transformer applications. For OEMs and utilities, fast deployment, modular I/O, and remote monitoring capabilities translate into measurable uptime and lower life-cycle costs. This solution pairs robust transformer protection with flexible interfaces to support scalable, compliant protection across facilities.

Product Information

Extended Description

ETR-5000-2A3KB1 Eaton: Eaton transformer relay, 5A, 1A, 40-250 Vac, 19-300 Vdc, 8, 9, Removable, Transformer, 19-300Vdc, 40-250Vac, 50/60 Hz, Projection,Sensitive Ground Input, Trip Coil Monitor, IRIG-B, URTD Interface, Sensitive Ground Input
Product Name
Eaton transformer relay
Catalog Number
ETR-5000-2A3KB1
UPC
786679156131
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
Current sensing inputs
2
Digital inputs
8
Digital outputs
9
I/O options
Trip Coil Monitor IRIG-B Sensitive Ground Input URTD Interface
Modbus / DNP3 TCP
over LC duplex fiber optic Ethernet
Phase current
5A, 1A
Sensing inputs
Voltage Protection and Metering Differential Protection Power Protection and Metering 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
Projection
Voltage sensing inputs
1
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 5: Monitoring with PowerPort-E Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E Eaton Specification Sheet - ETR-5000-2A3KB1
Feature: 8 digital inputs and 9 outputs enable complex protection schemes without external multiplexing. Business impact: reduces wiring complexity and commissioning time, accelerating project timelines in transformer protection for substations and industrial banks. Application: ideal for OEMs integrating protection logic with centralized SCADA systems. Feature: Power supply range 19-300 Vdc and 40-250 Vac supports diverse plant electrical environments. Business impact: minimizes the need for power conditioning and improves reliability during fluctuating supply conditions. Application: suitable for retrofits and greenfield deployments in plants with mixed voltage sources. Feature: Removable terminals and projection mounting simplify installation and field maintenance. Business impact: lowers labor costs during commissioning and diagnostics, improving MTBF. Application: practical for retrofit projects in tight switchgear spaces. Feature: I/O options including Trip Coil Monitor, IRIG-B, Sensitive Ground Input, URTD Interface enable advanced protection and precise timing. Business impact: enhances coordination across protection schemes and time synchronization for accurate interlocks. Application: critical in transformer protection schemes with remote signaling. Feature: Modbus / DNP3 TCP over LC duplex fiber Ethernet enables seamless SCADA integration. Business impact: enables real-time monitoring and remote diagnostics with minimal latency. Application: connects to modern utility and industrial networks. Feature: Conformal coating and rugged mechanical design improve reliability in harsh environments. Business impact: reduces field failures in damp or dusty installations, improving uptime and asset life. Application: suitable for outdoor or harsh indoor environments where transformers reside. Feature: 5A, 1A current sensing inputs and 2 current sensing inputs support metering and protection coordination. Business impact: enables accurate protection and metering without additional external sensors. Application: supports differential and power protection use cases. Warranty and compliance details: one-year limited warranty from installation or 18 months from shipment (Eaton policy 25-000). This combination of features supports efficient, compliant transformer protection across industrial and utility networks.

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FAQs

The unit uses removable terminals and a projection mounting method, which simplifies field wiring and assembly. Its eight digital inputs and nine outputs support compact, scalable protection schemes. Installers will appreciate straightforward terminal access for rapid commissioning and easier maintenance in confined switchgear spaces.
It supports multiple protection and metering functions, including voltage, differential, power, and current metering with configurable sensing. The 5A/1A phase current options enable accurate protection coordination, while the 2 current sensing inputs facilitate reliable fault detection and fast isolation in transformer protections.
Yes. The relay offers Modbus and DNP3 TCP over LC duplex fiber Ethernet, enabling low-latency, secure communication with modern SCADA networks. This supports remote monitoring, diagnostics, and coordinated protection strategies across distributed energy systems.
Compliances are listed as Contact Manufacturer; confirm CE marking, IP enclosure rating, and SIL readiness with Eaton for your specific installation, especially in safety-critical or regulated environments. Always verify the product’s current certifications during procurement to meet regional regulatory requirements.
The ETR-5000-2A3KB1 reduces downtime through faster fault isolation, minimizes wiring complexity, and enables remote monitoring via fiber connectivity. Its removable terminals and rugged construction lower labor costs during maintenance, while built-in protection and metering support improved asset life and overall lifecycle cost reductions.