Eaton EBR-3Z-2B0DA0-A Bus differential relay - Profibus-DP
Part Number: EBR-3Z-2B0DA0-A
Quick Summary
Eaton Bus differential relay is a protective device that monitors feeder integrity in electrical distribution systems. Engineers often contend with nuisance trips and slow fault localization, costing downtime and maintenance effort. Public certifications like CE, SIL, or IP ratings are not published for this model; verify with the manufacturer for formal compliance. Together with its durable design and flexible power range, it supports reliable feeder protection while enabling easy integration into existing control networks. Our recommendations emphasize seamless retrofit with Profibus-DP compatibility, clear fault signaling, and scalable inputs for modern plant architectures. By selecting this relay, users gain predictable protection performance, reduced maintenance overhead, and smoother plant commissioning. Warranty terms and service options further support long-term reliability in challenging industrial environments.
Product Information
Extended Description
EBR-3Z-2B0DA0-A Eaton: Eaton, Bus differential relay, EBR-3000, 40-250 Vac, 19-300 Vdc, Bus relay, Profibus-DP, 40-250 Vac, 19-300 Vdc, 8, 6,Feeder 19-300Vdc, 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-2B0DA0-A
UPC
786679194621
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
Profibus-DP (Fiber optics interface, ST Connector)
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
Feature: Flexible power and I/O configuration aligns with diverse plant needs. Business Impact: Reduces the need for multiple interface modules, enabling a cost-effective, single-solution feeder protection unit. Application: Suitable for systems operating on 40-250 Vac or 19-300 Vdc with 8 digital inputs and 6 digital outputs. Feature: Profibus-DP communication with fiber optics interface. Business Impact: Enables reliable, high-speed data exchange within existing control networks, improving fault localization and coordination across protection schemes. Application: Industrial networks requiring robust Profibus integration. Feature: Removable terminals and standard mounting. Business Impact: Simplifies installation and field maintenance, shortening commissioning times and lowering labor costs. Application: Retrofit projects and new installations with streamlined wiring. Feature: Manageable burden and energy use. Business Impact: 10 W / 17 VA burden supports efficient energy management in substations and plant feeders. Application: Where power budgeting and thermal load are considerations. Feature: Robust operating range and construction. Business Impact: -20°C to 60°C operating temp and standard mounting provide reliability in harsh industrial environments. Application: Harsh environments and space-constrained switchgear housings. Feature: Clear performance warranty and service options. Business Impact: Reduces risk during procurement and ensures ongoing support for maintenance planning. Application: Procurement and fleet-wide asset management for cost predictability.
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FAQs
Plan for standard mounting and removable terminals to simplify wiring and maintenance. The unit weighs about 12.7 lb with dimensions around 7.49 in depth, 8.62 in height, and 13.64 in width, which influences enclosure sizing and mounting clearances. Ensure proper power supply within the 40-250 Vac / 19-300 Vdc range and verify Profibus-DP connectivity requirements in your control network.
Key specs include 8 digital inputs, 6 digital outputs, 1 current sensing input, and a 5 A contact rating for AC/DC. It supports 50/60 Hz operation, with a power supply range of 40-250 Vac or 19-300 Vdc, and a burden of 10 W / 17 VA. Operating temperature is -20 to 60°C, and communications are via Profibus-DP with a fiber optics interface.
Yes. The device includes a Profibus-DP communication option with a fiber optics interface and ST connector, enabling integration into PROFIBUS-based control architectures and ensuring fast, reliable data exchange for protection schemes.
Public certifications are not listed in the specifications; compliance information is available directly from the manufacturer. Prospective buyers should contact Eaton to confirm CE, SIL, IP, and other regulatory certifications applicable to their installation and region.
The relay’s combination of robust protection, Profibus-DP integration, and removable terminals reduces commissioning time and field labor, lowering downtime during fault events. The 5 A contact rating and low burden support reliable operation with manageable energy use, and a clear warranty framework provides long-term maintenance cost predictability.