Eaton EBR-3Z-2B0BA0-A Bus differential relay - Modbus RTU + DNP3.0 RTU
Part Number: EBR-3Z-2B0BA0-A
Quick Summary
The Eaton EBR-3Z-2B0BA0-A is a bus differential relay designed for feeder protection in electrical distribution and plant substations. This solution helps engineers prevent nuisance trips and improves fault isolation by monitoring differential currents across feeder paths. Typical certifications for protective relays in this category include CE marking, SIL ratings, and IP-related compliance—confirm the exact approvals for this model with Eaton. By combining wide voltage input options, RS485 communication for Modbus RTU and DNP3.0 RTU, and robust front-end protection with a 5 A contact rating, this relay delivers reliable protection with straightforward integration into modern control architectures, reducing installation time and supporting scalable industrial automation.
Product Information
Extended Description
EBR-3Z-2B0BA0-A Eaton: Eaton, Bus differential relay, EBR-3000, 40-250 Vac, 19-300 Vdc, Bus relay, Modbus RTU + DNP3.0 RTU (RS485 / terminals), 40-250 Vac, 19-300 Vdc, 8, 6,Feeder 19-300Vdc, 40-250Vac, 10 W / 17 VA, 5 A ac / dc, 50/60 Hz
Product Name
Eaton Bus differential relay
Catalog Number
EBR-3Z-2B0BA0-A
UPC
786679194652
Product Length/Depth
7.49 in
Product Height
8.62 in
Product Width
13.64 in
Product Weight
12.7 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
Feeder
Type
Bus differential relay
Product Category
Bus relay
Analog inputs
0
Analog outputs
0
Base relay
EBR-3000
Burden
10 W / 17 VA
Conformal coating
None
Communication
Modbus RTU + DNP3.0 RTU (RS485 / terminals)
Current sensing inputs
1
Digital inputs
8
Digital outputs
6
Zone selective interlocking
0
Number of inputs
8
Number of outputs
6
Power supply range
19-300Vdc, 40-250Vac
Power consumption
40-250 Vac, 19-300 Vdc
Power supply
40-250 Vac, 19-300 Vdc
Frequency rating
50/60 Hz
Mounting method
Standard
Terminals
Removable
Contact Rating
5 A ac / dc
Operating temperature
-20° to 60°C
Voltage sensing inputs
0
Power supply range flexibility eliminates the need for multiple power rails and simplifies panel design, delivering cost savings and reduced wiring complexity in feeders operating from 19-300 Vdc or 40-250 Vac. This translates to faster commissioning and improved reliability in mixed-voltage substations where space is at a premium. The EBR-3Z-2B0BA0-A includes 8 digital inputs and 6 digital outputs, enabling expanded feeder signaling and local control without adding external I/O modules, which lowers hardware footprint and allows more precise coordination of protection and control logic. Communication is built around Modbus RTU plus DNP3.0 RTU over RS485 or terminal connections, delivering seamless SCADA integration and enabling remote diagnostics, trending, and coordinated protection across distributed assets. A conservative 10 W / 17 VA burden and a 5 A contact rating support robust, energy-efficient operation with clear fault handling in real-time. Mounting is standard with removable terminals, facilitating clean, fast wiring and straightforward maintenance. The product aligns with the EBR-3000 base, offering a familiar platform for upgrade or retrofit projects, while the 50/60 Hz compatibility ensures reliable operation across global plants. Warranty coverage (one year from installation or eighteen months from shipment) adds downstream risk mitigation for ongoing asset management and lifecycle planning.
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FAQs
Begin with mounting the relay on a standard chassis using the device's standard mounting method. Use the removable terminals to connect the 8 digital inputs and 6 outputs, then wire the 19-300 Vdc or 40-250 Vac power supply as specified. Verify RS485 connections for Modbus RTU and DNP3.0 RTU communication and program addressing within the SCADA system. Confirm clear routing to minimize crosstalk and ensure adequate ventilation for the unit’s 50/60 Hz operation.
The device operates with a power supply range of 19-300 Vdc or 40-250 Vac at 50/60 Hz and has a 5 A contact rating. It includes 8 digital inputs, 6 digital outputs, and a burden of 10 W / 17 VA. Analog inputs and outputs are not present, and the unit is designed for feeder protection in industrial environments with robust wiring and mounting options.
Yes. The relay supports Modbus RTU plus DNP3.0 RTU communication over RS485 or dedicated terminals, enabling easy integration with common SCADA and protection schemes. This compatibility supports remote monitoring, data acquisition, and coordinated protection across distributed feeders, reducing diagnostic time and improving operator situational awareness.
Compliance details for the EBR-3Z-2B0BA0-A are listed as 'Contact Manufacturer' in the data sheet. For formal approvals such as CE, SIL, or IP ratings, consult Eaton directly to confirm the exact certifications applicable to this model and your regional requirements.
Warranty is Eaton’s policy: one year from installation or eighteen months from shipment, whichever occurs first. This helps manage asset lifecycle and maintenance planning. For extended support, discuss upgrade paths or replacement options with Eaton's technical and sales teams during project scoping.