Eaton ETR-4000-2A3FB0 Transformer relay - 50/60 Hz

Part Number: ETR-4000-2A3FB0
ETR-4000-2A3FB0
Manufacturer
Eaton
Part number
ETR-4000-2A3FB0
Category

Quick Summary

The Eaton transformer relay optimizes transformer protection for mid to large industrial installations. Engineers often struggle with reliable fault detection and secure remote monitoring across harsh environments. Certification details vary by region; confirm CE, SIL and IP ratings with Eaton. This device integrates Modbus RTU or DNP3 RTU over fiber with IRIG-B options, enabling scalable automation, faster fault isolation, and reduced downtime. By pairing rugged protection with a flexible communication backbone, it delivers improved asset availability, easier maintenance planning, and a lower total cost of ownership for transformer protection in substations and manufacturing facilities.

Product Information

Extended Description

ETR-4000-2A3FB0 Eaton: Eaton, transformer relay, ETR-4000, Transformer protection relay, Modbus RTU or DNP3 RTU , 5A, 1A, 40-250 Vac, 19-300 Vdc, 8, 9,Transformer, 19-300Vdc, 40-250Vac, 50/60 Hz , Sensitive Ground Input,Trip Coil Monitor
Product Name
Eaton transformer relay
Catalog Number
ETR-4000-2A3FB0
UPC
786679154656
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 RTU or DNP3 RTU over Fiber Optic ST
Current sensing inputs
2
Digital inputs
8
Digital outputs
9
I/O options
IRIG-B Sensitive Ground Input URTD Interface Trip Coil Monitor
Modbus / DNP3 RTU
over fiber optic ST
Phase current
5A, 1A
Sensing inputs
Current Protection and Metering Differential Protection
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
E-series protective relays E-series protective relays 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-4000-2A3FB0
Feature → Business Impact → Application: Eight digital inputs and nine digital outputs enable complex protection logic at the transformer, reducing wiring complexity and panel footprint while speeding commissioning and changes during live operations. Application: Protective schemes and interlocking in medium to large transformers in industrial plants. Feature → Business Impact → Application: Two current sensing inputs support differential protection and metering, improving fault detectability and accuracy without adding external sensors. Application: Transformer protection scenarios requiring precise current monitoring in substations. Feature → Business Impact → Application: Removable terminals and semi-flush mounting simplify installation and field servicing, lowering labor costs and downtime during upgrades. Application: Retrofit and new-build projects in harsh environments with rapid field maintenance. Feature → Business Impact → Application: Conformal coated circuit boards and rugged packaging promote reliability in challenging environments, reducing corrosion-related failures. Application: Outdoor or damp plant locations where protection relays face moisture and dust. Feature → Business Impact → Application: Modbus RTU or DNP3 RTU over fiber optic ST facilitates secure remote communication and integration with SCADA/DCS, improving situational awareness. Application: Plant-wide monitoring and remote control architectures requiring robust cyber-physical integration.

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FAQs

Yes. The ETR-4000-2A3FB0 uses standard protection relay interfaces and offers Modbus RTU or DNP3 RTU over fiber for secure integration with Eaton E-series devices and most third-party SCADA/DCS systems. Removable terminals and semi-flush mounting simplify field wiring and retrofit work while preserving existing protection logic.
Key specs include eight digital inputs, nine digital outputs, two current sensing inputs, power supply range of 19-300 Vdc and 40-250 Vac, and a 50/60 Hz operating frequency. The unit supports IRIG-B interfaces and a Sensitive Ground Input for precise protection and synchronization in demanding environments.
Ideal for transformer protection in substations and industrial plants, it supports differential protection and metering through its current sensing inputs, robust fiber communications for remote monitoring, and interlocking features via zone selective protection. It’s well-suited for installations requiring reliable fault detection and rapid isolation with SCADA integration.
Compliance details are not listed in the data sheet; Eaton indicates compliances are provided by the manufacturer. Check with Eaton for CE, SIL, IP ratings, and region-specific certifications to ensure alignment with local safety and electrical standards before deployment.
The device features conformal coating and removable terminals for easier maintenance, reducing field downtime. Its fiber communications and rugged design support longer asset life, lower total cost of ownership, and faster fault diagnosis, delivering measurable returns through improved transformer availability and streamlined maintenance operations.