Eaton EBR-3Z-2B0GA1-A Bus differential relay - Modbus RTU
Part Number: EBR-3Z-2B0GA1-A
Quick Summary
The Eaton Bus differential relay protects feeder circuits in industrial power distribution applications. Engineers often struggle with fast fault isolation and reliable communications in remote substations. Compliance and certification can be a hurdle, so verify CE, SIL, and IP ratings directly with the manufacturer to ensure your site meets regulatory standards. This model supports Modbus RTU and DNP3.0 RTU interfaces, enabling seamless SCADA integration and remote monitoring. By combining robust protection logic with versatile power supply ranges, it simplifies installation across 19–300 Vdc or 40–250 Vac systems, delivering improved uptime, safer operation, and consistent feeder protection across your plant.
Product Information
Extended Description
EBR-3Z-2B0GA1-A Eaton: Eaton, Bus differential relay, EBR-3000, 40-250 Vac, 19-300 Vdc, Bus relay, Modbus RTU + DNP3.0 RTU (RS485 / D-SUB interface), 40-250 Vac, 19-300 Vdc, 8, 6,Feeder 19-300Vdc,10 W / 17 VA, 5 A ac / dc, Projection panel mount, -20° to 60°C
Product Name
Eaton Bus differential relay
Catalog Number
EBR-3Z-2B0GA1-A
UPC
786679194928
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 / D-SUB interface)
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
Feature: Wide power supply range (19-300 Vdc / 40-250 Vac) enables compatibility with multiple plant cabinets. Business impact: Reduces the need for additional converters and simplifies cabinet design, cutting installation time and cost. Application: Ideal for feeders in mixed-voltages environments where reliability matters. Feature: 8 digital inputs and 6 digital outputs provide flexible I/O for protection schemes and interlocking. Business impact: Supports complex feeder protection logic and zone interlocking without external add-ons, improving fault discrimination. Application: Suitable for centralized control rooms and remote substations. Feature: Modbus RTU + DNP3.0 RTU over RS485 / D-SUB interfaces enables robust SCADA integration. Business impact: Improves data visibility, remote diagnostics, and faster fault clearance. Application: Common in modern industrial networks and smart substations. Feature: 10 W / 17 VA burden and 5 A contact rating offer efficient, reliable operation. Business impact: Lower energy draw and durable contact performance reduce operating costs and MTTR. Application: Continuous feeder protection under varying load conditions. Feature: Projection panel mounting with removable terminals simplifies installation and maintenance. Business impact: Streamlines field wiring, reduces commissioning time, and enhances serviceability. Application: Enclosures and control panels with modular deployment requirements. Feature: Wide operating temperature (-20°C to 60°C) supports harsh environments. Business impact: Maintains protection reliability in outdoor or unconditioned spaces, reducing environmental risk. Application: Outdoor substations and rugged plant floors. These features collectively support faster deployment, easier maintenance, and stronger regulatory alignment for feeder protection relays in industrial automation environments.
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FAQs
It uses projection panel mounting and removable terminals, which streamline wiring and reduce commissioning time. The unit supports a wide power range (19-300 Vdc / 40-250 Vac) suitable for mixed-volt cabinets, and its compact dimensions simplify enclosure planning.
The device offers Modbus RTU and DNP3.0 RTU communications over RS485 or a D-SUB interface, enabling seamless data exchange with standard SCADA systems and remote monitoring capabilities across feeders.
As a bus differential relay, it provides fast fault detection for feeders, with 8 digital inputs, 6 digital outputs, and a 5 A contact rating. Its burden of 10 W / 17 VA and wide operating temperature range ensure reliable performance in demanding environments.
Plan for a dual power supply range of 19-300 Vdc or 40-250 Vac, a -20°C to 60°C operating range, 1 current sensing input, and 8 DI / 6 DO. The device also uses removable terminals for straightforward field wiring and a projection panel mount for flexible mounting options.
Eaton offers a 1-year warranty per policy 25-000 from installation or 18 months from shipment, whichever comes first. For compliances and certifications (CE, SIL, IP), confirm with Eaton to ensure your site requirements are met.