Eaton ETR-5000-2B1BB1 Transformer Relay - Modbus RTU

Part Number: ETR-5000-2B1BB1
Manufacturer
Eaton
Part number
ETR-5000-2B1BB1

Quick Summary

Eaton transformer relay ETR-5000-2B1BB1 delivers advanced transformer protection for switchgear and substation applications. When connected to Modbus RTU or DNP3 RTU over RS485, engineers gain reliable communications and clear diagnostics. Many projects struggle with configuration complexity and integration friction between protection relays and PLCs; this model reduces the risk with intuitive parameter sets and robust RS485 options. While certification details should be confirmed with Eaton, transformer relays in this class commonly pursue CE marking, SIL capability where applicable, and protective IP ratings to withstand field conditions. The result is faster commissioning, tighter protection coordination, and improved return on investment through reduced downtime and easier maintenance. This device also aligns with broader automation strategies through flexible I/O, compatibility with the ETR-4000 base, and scalable protection schemes.

Product Information

Extended Description

ETR-5000-2B1BB1 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, Projection,Sensitive Ground Input,
Product Name
Eaton transformer relay
Catalog Number
ETR-5000-2B1BB1
UPC
786679158364
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
Sensitive Ground Input IRIG-B URTD Interface Trip Coil Monitor
Modbus / DNP3 RTU
over RS-485
Phase current
5A, 1A
Sensing inputs
Voltage Protection and Metering Current Protection and Metering Differential Protection 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
Feature → Business Impact → Application: 8 digital inputs, 9 digital outputs, and 2 analog inputs with 2 analog outputs enable complex protection schemes and precise metering, reducing wiring and simplifying fault isolation in transformer circuits. This directly translates to faster fault diagnosis, lower engineering time, and improved protection coordination in substations. Application: transformer protection and metering in distribution networks. Feature → Business Impact → Application: Modbus RTU or DNP3 RTU over RS485 simplifies integration with PLCs, SCADA, and remote I/O, enabling centralized monitoring and faster decision-making. Application: plant-wide protection automation and remote diagnostics in substations. Feature → Business Impact → Application: Power supply range 19-300 Vdc and 40-250 Vac with 50/60 Hz support ensures site-wide compatibility, minimizing spare parts and boosting field readiness. Application: rapid deployment in mixed-voltage environments. Feature → Business Impact → Application: Removable terminals and projection mounting streamline installation and service, reducing labor costs and downtime during upgrades. Application: retrofit campaigns and new transformer protection projects. Feature → Business Impact → Application: Conformal coating and rugged construction improve reliability in harsh environments, lowering maintenance cycles and extending service life. Application: outdoor or substation enclosures with exposure to dust and moisture. Feature → Business Impact → Application: I/O options including Sensitive Ground Input, IRIG-B URTD interface, and Trip Coil Monitor support advanced protection strategies and coordinated trips. Application: safety-critical protection schemes and precise time synchronization in large installations.

Get a Quick Quote for a Eaton ETR-5000-2B1BB1

Chat with us on WhatsApp - fast responses guaranteed

Need to speak with someone? We'll call you back within 2 hours during business hours

Interested in Eaton ETR-5000-2B1BB1? Enquire Now

FAQs

This model is designed to work with the ETR-4000 base, sharing mounting and terminal concepts. During installation, verify removable terminals, projection mounting, and correct wiring for 8 digital inputs, 9 outputs, and the two analog channels. Ensure RS485 Modbus RTU wiring is correctly terminated and configure power supply within 19-300 Vdc or 40-250 Vac, 50/60 Hz for reliable operation.
The device includes 8 digital inputs, 9 digital outputs, and 2 analog inputs plus 2 analog outputs, with Modbus RTU or DNP3 RTU over RS485 for field-level and SCADA integration. Phase current options are 5A and 1A, and the unit supports voltage protection, current protection, differential protection, and metering, enabling comprehensive transformer protection.
Yes. It is designed as a transformer protection relay with integrated metering and protection functions suitable for distribution substations and switchgear. With configurable I/O, RS485 communications, and a broad power supply range, it supports reliable protection coordination, quick fault isolation, and compatibility with existing control architectures.
Certification details are provided by Eaton; for exact status on CE marking, SIL capabilities, IP ratings, or region-specific approvals, contact Eaton or a local distributor. Confirming these certifications ensures your installation meets local safety and reliability requirements for your facility.
The relay reduces downtime through faster fault diagnosis and centralized monitoring via RS485 networks, while modular I/O and compatibility with the ETR-4000 base simplify upgrades. Regular maintenance is streamlined by conformal-coated circuitry and removable terminals, translating to lower maintenance costs and improved system availability over the asset lifecycle.