Eaton ETR-5000-2A2KB1 Transformer Relay - 50/60 Hz
Part Number: ETR-5000-2A2KB1
Quick Summary
Eaton ETR-5000-2A2KB1 transformer relay protects transformers in industrial power distribution and automation systems. Operators frequently contend with nuisance trips and slow fault isolation, which disrupt uptime and escalate maintenance costs. Certification details vary by market; consult the official Eaton datasheet for CE marking, UL recognition, and IP-related protections. This model combines comprehensive protection with flexible I/O and robust integration, delivering reliable performance and easier system-wide protection coordination for engineers and procurement teams.
Product Information
Extended Description
ETR-5000-2A2KB1 Eaton: Eaton, transformer relay, ETR-4000, Transformer protection relay,5A, 1A, 40-250 Vac, 19-300 Vdc, 8, 9, Removable, Transformer, 19-300Vdc, 40-250Vac, 50/60 Hz, Projection,Trip Coil MonitorSensitive Ground Input,
Product Name
Eaton transformer relay
Catalog Number
ETR-5000-2A2KB1
UPC
786679157633
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 URTD Interface Sensitive Ground Input IRIG-B
Modbus / DNP3 TCP
over LC duplex fiber optic Ethernet
Phase current
5A, 1A
Sensing inputs
Current Protection and Metering Differential Protection Power Protection and Metering Voltage 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
E-series protective relays
E-series protective relays
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Eaton Specification Sheet - ETR-5000-2A2KB1
Feature → Business Impact → Application: 8 digital inputs and 9 digital outputs enable compact, self-contained protection schemes, reducing external I/O modules and wiring, which lowers installation time and installation costs for transformer protection in plant sites. Application: transformer protection relay with clear fault signaling and event logging drives faster fault isolation and minimized downtime. Feature → Business Impact → Application: Power supply range of 19-300 Vdc and 40-250 Vac supports multiple plant power architectures, enabling seamless retrofits and new installs without power conditioning, which translates to lower project risk and faster commissioning. Application: diverse industrial environments requiring versatile protection feeds and metering. Feature → Business Impact → Application: Removable terminals and projection mounting simplify field maintenance and panel integration, cutting service time and sparing labor costs during upgrades or wiring changes. Application: service-friendly installation in retrofit projects. Feature → Business Impact → Application: I/O options including Trip Coil Monitor, URTD Interface, Sensitive Ground Input, and IRIG-B provide advanced protection coordination and timing synchronization, delivering precise protection logic and easier integration with existing control systems. Application: high-reliability transformer protection with enhanced interlocking. Feature → Business Impact → Application: Modbus / DNP3 TCP over LC duplex fiber optic Ethernet enables robust SCADA/EMS integration, remote monitoring, and secure communication, reducing on-site visits and enabling predictive maintenance. Application: scalable monitoring for large facilities. Feature → Business Impact → Application: Sensing inputs cover current, differential, power metering, and voltage protection, delivering comprehensive protection and metering in a single device, which reduces hardware footprints and improves compliance with protection standards.
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FAQs
Installers should begin by verifying supply voltage compatibility (19-300 Vdc or 40-250 Vac) and ensuring proper mounting via projection method. Connect the 8 digital inputs and 9 outputs to the protection logic, configure the Trip Coil Monitor and Sensitive Ground Input as needed, and integrate with the control system using Modbus or DNP3 TCP over fiber. Field-lab testing confirms proper protection coordination before commissioning.
Key specs include power supply range (19-300 Vdc / 40-250 Vac), frequency rating (50/60 Hz), 8 inputs and 9 outputs, and removable terminals. The device supports a 5A or 1A phase current, with protection and metering capabilities across voltage, differential, and power inputs. Ensure your control system can communicate via LC duplex fiber Ethernet for Modbus/DNP3 TCP.
Yes. The relay includes Modbus / DNP3 TCP communication over LC duplex fiber optic Ethernet, enabling secure, high-speed data exchange with SCADA, EMS, and automation platforms. This supports remote monitoring, fault analysis, and coordinated protection across multiple transformers, reducing on-site maintenance visits and improving operator visibility.
Certification details vary by market. Verify CE marking, UL recognition, and IP-related protections as applicable to your installation. Always consult the official Eaton datasheet for the ETR-5000-2A2KB1 to confirm current approvals and regional compliance requirements before procurement.
The device consolidates protection, metering, and interlocks in a single unit, reducing hardware costs, wiring, and panel space. With features like URTD interface, Trip Coil Monitor, and fiber-based SCADA connectivity, you gain faster fault isolation, fewer nuisance trips, and improved predictive maintenance, delivering a favorable return on investment through reduced downtime and maintenance labor.