Eaton EBR-3Z-2B0BB0-A Bus differential relay - 40-250
Part Number: EBR-3Z-2B0BB0-A
Quick Summary
The Eaton EBR-3Z-2B0BB0-A bus differential relay provides fast, selective feeder protection for switchgear in modern electrical distributions. Engineers often struggle with nuisance trips and the complexity of integrating protection across multiple feeders. To meet safety and reliability goals, verify CE marking, SIL capability, and IP enclosure ratings with Eaton documentation for your installation. The unit supports a wide power range and multiple communications options, enabling scalable SCADA integration via Modbus RTU and DNP3.0 RTU. This combination delivers faster fault isolation, reduced downtime, and streamlined maintenance for panel builders and operators.
Product Information
Extended Description
EBR-3Z-2B0BB0-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,Feeder19-300Vdc, 40-250Vac, 10 W / 17 VA, 5 A ac / dc, 50/60 Hz, -20° to 60°C
Product Name
Eaton Bus differential relay
Catalog Number
EBR-3Z-2B0BB0-A
UPC
786679193815
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
Standard
Terminals
Removable
Contact Rating
5 A ac / dc
Operating temperature
-20° to 60°C
Voltage sensing inputs
0
Power supply range flexibility enables installation across 19-300 Vdc or 40-250 Vac, reducing design constraints and enabling a single protection platform for mixed- voltage installations. Business impact: lower installation costs and simplified spare-part stocking; Application: feeders in facilities with diverse electrical networks. Input/output configuration expands control logic with 8 digital inputs and 6 digital outputs; burden 10 W / 17 VA supports reliable signaling without excessive power draw. Business impact: improved monitoring, faster trip and alarm coordination; Application: coordinated feeder protection and interlocking in switchgear. Communication flexibility with Modbus RTU + DNP3.0 RTU over RS485 enables seamless SCADA integration; Business impact: easier remote configuration, diagnostics, and data analytics; Application: modern plant-wide protection schemes. Physical design features removable terminals and conformal coating enhance serviceability and reliability; Business impact: reduced maintenance time and better field life in harsh environments; Application: cabinet installations or outdoor enclosures. The 5 A contact rating and 50/60 Hz compatibility ensure dependable switching for common feeders; Business impact: robust protection with predictable operation; Application: standard distribution feeders and substation interfaces.
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FAQs
This relay accepts dual power ranges, 19-300 Vdc or 40-250 Vac, reducing the need for multiple protection units. It uses removable terminals and features conformal coating, improving field reliability. Operating temperature is -20° C to 60° C, making it suitable for cabinet interiors and exposed enclosures in industrial settings.
Yes. The device provides Modbus RTU and DNP3.0 RTU communication over RS485 terminals, enabling straightforward integration with common SCADA systems and remote diagnostics. This supports scalable monitoring, configuration, and event logging across distributed feeders.
The relay offers 8 digital inputs and 6 digital outputs with a 5 A AC/DC contact rating. This enables complex interlock schemes and reliable signaling for feeder protection applications, while maintaining a compact form factor and straightforward wiring with removable terminals.
Yes. Optimized for feeder protection, the EBR-3Z-2B0BB0-A supports 50/60 Hz operation and handles standard feeder loads with a 10 W / 17 VA burden. Its modular design and RS485 communication support integration with substation SCADA networks, aiding fast fault isolation and uptime improvements.
The product carries Eaton’s standard warranty of one year from installation or eighteen months from shipment, whichever occurs first. Compliance details are provided by the manufacturer; verify CE, SIL capability, and IP enclosure ratings with Eaton documentation prior to deployment to meet plant-specific requirements.