Eaton EBR-3Z-2B0EB0-A Bus differential relay - Profibus-DP RS485
Part Number: EBR-3Z-2B0EB0-A
Quick Summary
Eaton bus differential relay protects feeder circuits by detecting differential currents in industrial power systems. It helps prevent unnecessary outages and equipment damage by delivering fast, selective protection even in crowded switchboards. Compliances and rugged design support global operation; confirm CE marking and IP enclosure protections, with SIL readiness across the EBR-3Z-2B0EB0-A family. This solution harmonizes with modern automation networks, delivering reliable feeder protection while reducing spare parts and commissioning time in mixed-voltages and complex panels.
Product Information
Extended Description
EBR-3Z-2B0EB0-A Eaton: Eaton, Bus differential relay, EBR-3000, 40-250 Vac, 19-300 Vdc, Bus relay, Profibus-DP (RS485/D-SUB interface), 40-250 Vac, 19-300 Vdc, 8, 6,Feeder19-300Vdc, 40-250Vac, 10 W / 17 VA, 5 A ac / dc, 50/60 Hz, Standard mount, -20° to 60°C
Product Name
Eaton Bus differential relay
Catalog Number
EBR-3Z-2B0EB0-A
UPC
786679194782
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
Profibus-DP (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
Standard
Terminals
Removable
Contact Rating
5 A ac / dc
Operating temperature
-20° to 60°C
Voltage sensing inputs
0
Power Systems Experience Center Tour – Metering Focus
Eaton Specification Sheet - EBR-3Z-2B0EB0-A
Selling Policy 25-000 - Distribution and Control Products and Services
The device offers a broad power supply range of 19-300 Vdc and 40-250 Vac, enabling installation across diverse plant voltages and reducing inventory complexity for industrial facilities. Business impact: streamlined procurement and fewer voltage-related protection issues in mixed-volt environments. Application: feeder protection in manufacturing plants and data centers with varied power sources. The unit provides eight digital inputs and six digital outputs with a 5 A contact rating, allowing direct signaling and control without additional interface relays. impact: simplified wiring, faster fault signaling, and reduced enclosure footprint. Burden is 10 W / 17 VA, contributing to lower heat load and energy consumption within control panels. Application: energy-efficient protection schemes in compact control cabinets. Profibus-DP (RS485 / D-SUB interface) ensures straightforward integration into existing automation networks, enabling remote monitoring and SCADA interfacing. impact: improved visibility, faster diagnostic cycles, and easier commissioning. With standard mounting and removable terminals, installation is quick and serviceable, while conformal coating supports resilience in harsh environments. Application: factory floors with dust and humidity exposure. Operating from -20° to 60°C and 50/60 Hz, the relay is suited for broad industrial conditions, minimizing outages due to environmental stress. Warranty follows Eaton policy, providing protection against defects during the lifecycle. Application: procurement peace of mind and predictable maintenance budgeting.
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FAQs
The EBR-3Z-2B0EB0-A uses a standard mounting method and features removable terminals, enabling straightforward retrofit into existing control cabinets. With dimensions of 7.49 in depth, 8.62 in height, and 13.64 in width, it fits typical feeder configurations while allowing clear access for wiring and diagnostics. Proper panel clearance and ventilation should be observed to maintain operating temperature.
The unit provides 8 digital inputs and 6 digital outputs to support signaling and control tasks directly from the relay. It supports a wide power range of 19-300 Vdc or 40-250 Vac with a 5 A contact rating, enabling direct interface to protection schemes, alarms, and local indicators without additional interface modules.
Yes, it includes a Profibus-DP interface using RS485 with a D-SUB connection, facilitating seamless integration into existing automation networks and SCADA systems. Typical wiring involves RS485 paired data lines and a D-SUB connector, with proper termination and network addressing to ensure reliable communication in plant networks.
Feeder protection in industrial power distribution, data centers, and automated manufacturing lines benefits most. The 5 A contact rating and 8/6 I/O configuration support rapid fault isolation, while Profibus-DP connectivity enables centralized monitoring. Its wide voltage range and standard mounting simplify deployment in complex, multi-voltage facilities.
Warranty follows Eaton’s policy: one year from installation or eighteen months from shipment, whichever occurs first. This, combined with proven protection performance and modular wiring, supports predictable maintenance budgeting and reduces total cost of ownership by minimizing unplanned outages and speeding fault resolution.