Eaton ETR-5000-2B2FB1 Transformer Relay - Fiber Optic RTU

Part Number: ETR-5000-2B2FB1
ETR-5000-2B2FB1
Manufacturer
Eaton
Part number
ETR-5000-2B2FB1
Category

Quick Summary

Eaton transformer relay protects transformers in industrial power systems, delivering reliable protection and smart control. Users often struggle with integrating robust protection, dependable communications, and scalable IO in harsh environments. While the model requires manufacturer-verified compliances, this device supports communication options like Modbus RTU or DNP3 RTU over fiber and offers multiple analog and digital channels for comprehensive protection schemes. The solution is designed to fit transformer protection duties in substations and heavy industrial applications, with a flexible power supply range and a familiar ETR-4000 base. In practice, this means reduced wiring complexity, improved fault visibility, and a clearer path to compliance while leveraging Eaton’s transformer protection lineage.

Product Information

Extended Description

ETR-5000-2B2FB1 Eaton: Eaton, transformer relay, ETR-4000, Transformer protection relay, Modbus RTU or DNP3 RTU , 5A, 1A, 40-250 Vac, 19-300 Vdc,Transformer, 19-300Vdc, 40-250Vac, 50/60 Hz, Projection,Sensitive Ground Input,
Product Name
Eaton transformer relay
Catalog Number
ETR-5000-2B2FB1
UPC
786679157879
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
2
Analog outputs
2
Base relay
ETR-4000
Conformal coating
Conformal Coated Circuit Boards
Communication
Modbus RTU or DNP3 RTU over Fiber Optic ST
Current sensing inputs
2
Digital inputs
8
Digital outputs
9
I/O options
IRIG-B Trip Coil Monitor URTD Interface Sensitive Ground Input
Modbus / DNP3 RTU
over fiber optic ST
Phase current
5A, 1A
Sensing inputs
Current Protection and Metering Differential Protection Voltage Protection and Metering Power 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
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Feature → Business Impact → Application: The device provides Modbus RTU or DNP3 RTU over fiber optic ST, enabling reliable, EMI-immune communication between protection relays and control systems; this reduces data loss and speeds fault isolation in critical transformer banks, improving uptime in substations. Feature → Business Impact → Application: Eight digital inputs and nine digital outputs, plus two analog inputs and two analog outputs, offer rich monitoring and control capabilities, enabling precise protection logic and fewer external modules needed on the line side in manufacturing plants. Feature → Business Impact → Application: A wide power-supply range of 19-300Vdc and 40-250Vac supports diverse plant electrical systems, simplifying installation and minimizing power conditioning requirements in mixed environments. Feature → Business Impact → Application: Conformal coated circuit boards and a projection mounting method enhance ruggedness and ease of installation in outdoor or space-constrained panels, reducing commissioning time and maintenance in harsh environments. Feature → Business Impact → Application: Compatibility with the ETR-4000 base relay provides a clear upgrade path and standardized diagnostics, enabling OEMs to leverage existing protection schemes while expanding functionality in energy-intensive facilities. Feature → Business Impact → Application: Zone selective interlocking and 2 current-sensing inputs support advanced protection strategies, enabling selective tripping and reduced arc energy in large transformers used in process plants and power distribution networks.

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FAQs

Yes. The ETR-5000-2B2FB1 is designed as an evolution of the ETR family and maintains compatibility with the ETR-4000 base relay. This enables a straightforward upgrade path, preserving wiring schemes while expanding IO and communications. Confirm connector types, terminal removal procedures, and any subassembly requirements with Eaton documentation during planning.
Key specs include a power-supply range of 19-300 VDC and 40-250 VAC, 50/60 Hz operation, 5A or 1A phase current sensing, 8 digital inputs, 9 digital outputs, and 2 analog inputs plus 2 analog outputs. The unit supports Modbus RTU or DNP3 RTU communications over fiber optic ST for resilient fieldbus integration.
Industries with critical transformer protection needs, such as power plants, data centers, mining, and petrochemical facilities, benefit from the ETR-5000-2B2FB1. Its fiber-optic communication reduces EMI susceptibility, while the extensive IO and protection options support complex differential, voltage, and power protection schemes.
The data indicates compliances require manufacturer confirmation. For regulatory readiness, verify SIL capabilities, CE/UL markings, IP enclosure ratings, and any site-specific standards directly with Eaton or a certified distributor before deployment in critical installations.
Plan for periodic diagnostic checks, firmware updates via Eaton channels, and inspection of fiber optic links. ROI drivers include reduced wiring, faster fault isolation, longer transformer life through precise protection, and leveraging existing ETR infrastructure to minimize retraining and spare-part inventory.