Eaton EBR-3Z-2B0EA1-A Bus Differential Relay - Profibus-DP
Part Number: EBR-3Z-2B0EA1-A
Quick Summary
The Eaton EBR-3Z-2B0EA1-A Bus differential relay is a fast, reliable feeder protection device designed for industrial power distribution networks. It helps protect critical feeders from differential faults, reducing outage time and equipment damage. Engineers often struggle with integrating protection relays into Profibus-DP networks and fitting robust hardware into compact control panels. This model offers a wide power range and panel-mount versatility, helping installers simplify wiring and commissioning. While deployments vary by region, typical industry standards emphasize safety, reliability, and interoperability; consult the manufacturer for current compliance details. With 8 digital inputs, 6 digital outputs, and a 5 A contact rating, it pairs with modern automation architectures to deliver measurable uptime and efficiency gains. Consider SIL, CE, and IP ratings in risk assessments and verify with Eaton datasheet for your exact requirements.
Product Information
Extended Description
EBR-3Z-2B0EA1-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,Feeder 19-300Vdc, 40-250Vac, 10 W / 17 VA, 50/60 Hz, Projection panel mount
Product Name
Eaton Bus differential relay
Catalog Number
EBR-3Z-2B0EA1-A
UPC
786679194768
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 (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 → Business Impact → Application: The EBR-3Z-2B0EA1-A provides eight digital inputs and six digital outputs, enabling comprehensive signaling and control for feeder protection. This reduces external wiring complexity and speeds fault isolation, which translates to quicker maintenance and less downtime in distribution panels and substations. Feature → Business Impact → Application: A wide power-supply range of 19-300 VDC and 40-250 VAC, operating at 50/60 Hz, with a compact 10 W/17 VA power draw, lowers overall system energy use while supporting diverse plant voltages. This enables cross-site deployment and simpler engineering calculations for lifecycle cost reduction. Feature → Business Impact → Application: Profibus-DP (RS485 / D-SUB) communication delivers seamless network integration with existing PLCs, easing commissioning and improving data sharing for better fault analysis in automated production lines. Feature → Business Impact → Application: Projection panel mounting and removable terminals streamline installation and field service. This reduces panel space requirements and simplifies wiring, enabling faster upgrades and easier maintenance in control cabinets. Feature → Business Impact → Application: A 5 A contact rating and a single current sensing input provide reliable fault signaling for feeders without oversizing components, improving protection accuracy and reducing nuisance trips in dynamic load environments. Feature → Business Impact → Application: The EBR-3Z-2B0EA1-A’s robust industrial design, including operation from -20°C to 60°C and compatibility with 50/60 Hz systems, supports harsh environments found in factories and substations, improving uptime and safety. The device’s compatibility with the EBR-3000 base relay and standard power formats provides a familiar upgrade path for maintenance teams and OEMs, delivering a lower total cost of ownership across projects.
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FAQs
The EBR-3Z-2B0EA1-A uses projection panel mounting and removable terminals, which simplifies installation in standard control cabinets. With eight digital inputs and six outputs, plan wiring to minimize cross-talk and ensure clean separation of power and signal lines. Consider space for both the device and its connection block to maintain serviceability during maintenance.
Profibus-DP provides robust, high-speed communication with compatible PLCs and HMIs. The RS485 / D-SUB interface supports reliable multi-drop networking, reducing commissioning time and enabling real-time fault data exchange for faster diagnostics and improved protection coordination across feeders.
Yes, the device is designed for industrial use with a wide operating range (-20°C to 60°C) and 50/60 Hz compatibility. Its panel-mount design and removable terminals support field servicing, while the 5 A contact rating provides reliable switching for feeders under typical industrial loads.
The EBR-3Z-2B0EA1-A is covered by Eaton’s standard warranty policy, offering one year from installation or eighteen months from shipment, whichever occurs first. For service inquiries and regional compliance, consult Eaton’s support and the datasheet to understand regional terms and ongoing maintenance options.
Key specs include eight digital inputs, six digital outputs, one current sensing input, and a 5 A contact rating. Power supply ranges are 19-300 VDC or 40-250 VAC, with 50/60 Hz operation and a power consumption of 10 W / 17 VA. These features ensure compatibility with common feeder protection schemes and automation architectures.