Eaton transformer relay ETR-5000-2B0BB0 - RS-485 Modbus RTU

Part Number: ETR-5000-2B0BB1
ETR-5000-2B0BB1
Manufacturer
Eaton
Part number
ETR-5000-2B0BB1
Category

Quick Summary

Eaton transformer relay is a protection and monitoring device designed to safeguard transformers while enabling seamless remote supervision in industrial and utility environments. Users often struggle with integrating protective relays into existing SCADA systems due to incompatible communications and limited I/O flexibility. This model supports Modbus RTU or DNP3 RTU over RS485 and offers a broad power range, multiple I/O channels, and a robust base platform for reliable transformer protection. Certification visibility matters for compliant installs, so verify the exact ratings with Eaton for SIL readiness, CE marking, and IP enclosure options. With conformal coating and easy field wiring, this relay helps reduce downtime and simplifies procurement by pairing protection, metering, and monitoring in a single package.

Product Information

Extended Description

ETR-5000-2B0BB1 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,
Product Name
Eaton transformer relay
Catalog Number
ETR-5000-2B0BB1
UPC
786679156551
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 IRIG-B URTD Interface
Modbus / DNP3 RTU
over RS-485
Phase current
5A, 1A
Sensing inputs
Differential Protection Voltage Protection and Metering Current 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: Modbus RTU or DNP3 RTU over RS485 enables straightforward SCADA integration and remote diagnostics, reducing on-site trips and accelerating fault isolation in substations and OEM transformer systems. This translates to faster MTTR and improved grid reliability. Application: Transformer protection with remote monitoring for utilities and industrial plants. Feature → Business Impact → Application: 8 digital inputs and 9 digital outputs provide flexible logic and control for protection schemes, status signaling, and interlocks, cutting wiring complexity and enabling compact panel designs. Application: Industrial transformer bays and OEM equipment that require compact protection with clear I/O mapping. Feature → Business Impact → Application: 2 analog inputs and 2 analog outputs support metering and analog-based protection measurements, delivering richer data for energy management and fault analysis. Application: Monitoring voltage, current, and power quality in machine halls and substations. Feature → Business Impact → Application: Wide power supply range (19–300 VDC, 40–250 VAC) and 50/60 Hz compatibility allow operation across international facilities, reducing the need for multiple variants. Application: Global deployments with diverse power architectures. Feature → Business Impact → Application: Conformal coating, removable terminals, and semi-flush mounting simplify installation in harsh environments and facilitate maintenance, trimming downtime and labor costs. Application: Harsh industrial settings and retrofit projects. Feature → Business Impact → Application: I/O options like IRIG-B, URTD Interface, Trip Coil Monitor support advanced protection coordination and trip-train monitoring, enabling precise coordination with other relays. Application: Complex protection schemes and upgrade paths for existing relay architectures. Feature → Business Impact → Application: Base relay compatibility with ETR-4000 allows reusability of spare parts and streamlined upgrades, reducing total cost of ownership. Application: Retrofit programs and multi-relay protection schemes.

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FAQs

Begin by mounting the unit using semi-flush installation, connect removable terminals, and power the relay with 19-300 Vdc or 40-250 Vac. Configure the RS-485 Modbus RTU interface and assign a Modbus address in the device, then map the 8 digital inputs, 9 digital outputs, and 2 analog channels to your protection logic and SCADA tags.
The ETR-5000-2B0BB0 offers 8 digital inputs, 9 digital outputs, 2 analog inputs, and 2 analog outputs. It supports current sensing on 5A and 1A ranges, with protection and metering across voltage, current, power, and differential schemes at 50/60 Hz, compatible with 19-300 Vdc and 40-250 Vac supplies.
Yes. It provides transformer protection, metering, and monitoring functions with Modbus RTU or DNP3 RTU over RS485, making it suitable for substations, OEM transformers, and industrial power distribution where reliable protection coordination is required.
Compliances are listed as Contact Manufacturer, so verify exact certifications with Eaton for your region and application. Typical considerations include CE marking, SIL configurations, and enclosure IP ratings; confirm these options with Eaton prior to deployment.
The product carries Eaton’s warranty policy (1 year from installation or 18 months from shipment, whichever occurs first). Features like conformal coating and removable terminals reduce maintenance time, while the shared base relay (ETR-4000) supports streamlined upgrades and lower total cost of ownership.