Eaton transformer relay ETR-5000-2B3BB0 - Modbus RTU over RS485

Part Number: ETR-5000-2B3BB0
ETR-5000-2B3BB0
Manufacturer
Eaton
Part number
ETR-5000-2B3BB0
Category

Quick Summary

An Eaton transformer relay is a robust solution for transformer protection in power distribution and industrial facilities. It addresses the common challenge of aging protection schemes that struggle with fast fault detection and network integration. Note: the supplied data lists Compliances as 'Contact Manufacturer' rather than specific CE, SIL, or IP ratings; verify the official datasheet for market-specific certifications. In practice, this relay simplifies Modbus RTU or DNP3 RTU integration over RS485 while delivering scalable analog and digital I/O for precise protection schemes. This combination supports safer, more efficient transformer operation and easier procurement of compatible accessories and spare parts.

Product Information

Extended Description

ETR-5000-2B3BB0 Eaton: Eaton, transformer relay, ETR-4000, Transformer protection relay, Modbus RTU or DNP3 RTU over RS485, 5A, 1A, 40-250 Vac, 19-300 Vdc, 8, 9,Transformer, over RS-485,19-300Vdc, 40-250Vac, 50/60 Hz , Sensitive Ground Input,
Product Name
Eaton transformer relay
Catalog Number
ETR-5000-2B3BB0
UPC
786679156032
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 RS485
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 RTU
over RS-485
Phase current
5A, 1A
Sensing inputs
Voltage Protection and Metering Current Protection and Metering Power 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
1
Terminals
Removable
E-series protective relays E-series protective relays Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E Eaton Specification Sheet - ETR-5000-2B3BB0 Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Modbus RTU or DNP3 RTU over RS485. Business Impact: Enables seamless SCADA/HMI integration and reliable remote monitoring, reducing on-site visits and downtime. Application: Transformer protection schemes in substations and industrial plants. Feature: 8 digital inputs and 9 digital outputs. Business Impact: Rich I/O supports complex protection logic and alarm signaling without extra modules, lowering wiring costs. Application: Local interlocking and trip signaling in transformer protection. Feature: 2 analog inputs and 2 analog outputs. Business Impact: Enhanced protection metering and fault signaling with precise data for control decisions, improving coordination with energy management systems. Application: Real-time transformer metering and protection metering. Feature: Flexible power supply 19-300 Vdc / 40-250 Vac and 50/60 Hz. Business Impact: Easy retrofits and flexible installation across diverse environments, reducing upgrade costs. Application: Field installations with varied power sources. Feature: Base relay compatibility with ETR-4000 and conformal coating. Business Impact: Smooth upgrades from legacy systems and improved reliability in harsh environments, lowering maintenance frequency. Application: Retrofit projects and installations in challenging environments with corrosion risks. Feature: Time synchronization options (URTD, IRIG-B) and Sensitive Ground Input. Business Impact: Precise protection timing and reliable fault indication, essential for grid stability and protective relaying. Application: High-accuracy protection schemes in utility-scale transformers. Feature: Removable terminals and semi-flush mounting. Business Impact: Faster commissioning, simplified field wiring, and easier serviceability. Application: New builds and retrofit projects needing efficient installation.

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FAQs

Yes. The ETR-5000-2B3BB0 is designed to be compatible with Eaton's ETR-4000 base relay, sharing core protection concepts and semi-flush mounting. It uses removable terminals to simplify wiring, supports Modbus RTU or DNP3 RTU over RS485, and provides the same physical footprint to ease retrofits in established switchgear or distribution panels.
Key specs include 8 digital inputs, 9 digital outputs, 2 analog inputs, 2 analog outputs, phase currents of 5A and 1A, and a versatile power supply range of 19-300 Vdc or 40-250 Vac at 50/60 Hz. It communicates via Modbus RTU or DNP3 RTU over RS485, enabling reliable integration with SCADA and protection networks.
The ETR-5000-2B3BB0 is well-suited for transformer protection, metering, and differential protection in industrial and utility environments. Its 8/9 I/O, conformal coating, and RS485 communication allow comprehensive protection schemes, precise fault signaling, and easy integration with existing protection coordination and energy management systems.
The provided data lists 'Compliances: Contact Manufacturer', so verify CE, SIL, and IP ratings directly on Eaton's official datasheet (ETR-5000-2B3BB0) or through Eaton technical support for your target market and installation conditions.
Maintenance benefits come from removable terminals, semi-flush mounting for faster field work, and conformal-coated boards for reliability in harsh environments. The device also reduces downtime through rapid fault signaling and centralized monitoring via RS485 networks, contributing to lower lifecycle costs and improved uptime.