Eaton EBR-3Z-2B0BB1-A Bus differential relay - Modbus RTU + DNP3.0 RTU
Part Number: EBR-3Z-2B0BB1-A
Quick Summary
Eaton Bus differential relay EBR-3Z-2B0BB1-A is a feeder protection device for industrial power networks. When protection logic is misconfigured or communications are unreliable, nuisance trips and downtime erode productivity. Certification details are not specified in the data; confirm CE, SIL and IP status with the manufacturer for your regulatory needs. In practice, this device offers a broad voltage window and rich I/O, combined with Modbus RTU and DNP3.0 RTU communications, enabling quick integration with existing control architectures. This supports faster fault isolation, improved system uptime, and streamlined procurement for mid to large-scale facilities.
Product Information
Extended Description
EBR-3Z-2B0BB1-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, 40-250Vac, 10 W / 17 VA, 5 A ac / dc, 50/60 Hz, Projection panel mount, -20° to 60°C
Product Name
Eaton Bus differential relay
Catalog Number
EBR-3Z-2B0BB1-A
UPC
786679193877
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
Conformal Coated Circuit Boards
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
Projection panel
Terminals
Removable
Contact Rating
5 A ac / dc
Operating temperature
-20° to 60°C
Voltage sensing inputs
0
Wide power supply range and voltage sensing enable installation across multiple feeders with 19-300 Vdc and 40-250 Vac, reducing inventory and commissioning time while supporting robust feeder protection for mixed power networks. Business impact: lower capital cost and faster deployment in industrial power systems. Application: control panels and substation feeders requiring flexible power inputs and reliable signaling. The 8 digital inputs and 6 digital outputs provide local protection logic and status signaling without extra hardware, simplifying wiring and maintenance. Business impact: fewer components to source, easier panel wiring, improved troubleshooting. Application: factory automation, distribution boards, and critical feeders. The device’s 5 A contact rating and low burden (10 W / 17 VA) minimize load on protection circuits and cooling requirements, improving overall efficiency. Application: energy-conscious installations and compact control enclosures. Conformal coating on circuit boards increases reliability in harsh environments, reducing corrosion risk and field failures. Business impact: extended service life and lower service costs. Application: outdoor or dirty industrial settings. Projection panel mounting and removable terminals streamline installation and service access, shortening downtime during upgrades and maintenance. Business impact: faster turnarounds and simplified upgrades. Application: retrofit projects and modular protection schemes in evolving facilities. Communication through Modbus RTU + DNP3.0 RTU (RS485 / terminals) enables seamless SCADA integration, data collection, and remote fault analysis. Business impact: improved visibility and faster decision support. Application: plant-wide monitoring and remote protection coordination.
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FAQs
The EBR-3Z-2B0BB1-A supports projection panel mounting with removable terminals, facilitating quick wiring, easier field maintenance, and clean panel integration. It accommodates eight digital inputs and six digital outputs, enabling local protection logic and signaling without additional hardware, which simplifies installation in control cabinets and panels.
This device provides Modbus RTU plus DNP3.0 RTU communications over RS485 or terminals, allowing seamless data exchange with SCADA and PIMS. Engineers can integrate protection data, alarms, and status signals into existing industrial automation systems, reducing commissioning time and enabling remote fault analysis.
Yes. Designed as a bus differential relay with a wide voltage range (19-300 Vdc / 40-250 Vac), 5 A contact rating, and multiple digital I/O, it is well-suited for feeder protection in industrial power distribution, substations, and intelligent control panels, helping to quickly isolate faults and minimize downtime.
The unit features conformal coated circuit boards and supports operation from -20 to 60 C, making it suitable for harsh environments. The combination of removable terminals and projection panel mounting simplifies field upgrades and maintenance, reducing downtime and improving serviceability in demanding facilities.
Official datasheets and warranty details are available from Eaton. The product is covered by Eaton’s standard warranty policy, and the datasheet provides full electrical, mechanical, and interface specifications to assist with correct selection and integration.