Eaton EBR-3Z-2B0DB1-B Bus differential relay - Profibus-DP
Part Number: EBR-3Z-2B0DB1-B
Quick Summary
The Eaton Bus differential relay protects feeders by monitoring differential currents in electrical cabinets. These devices reduce nuisance trips and speed fault isolation in distributed feeder systems. Industry practice for protection relays often emphasizes CE marking, IP protection, and safety certifications such as SIL; verify exact compliance with Eaton for your installation. This model delivers Profibus-DP fiber optic communication, eight digital inputs, six outputs, and a broad power range, enabling smoother integration with existing automation networks and robust feeder protection across industrial environments. The result is increased system reliability, reduced downtime, and a clearer path to scalable, compliant protection strategies.
Product Information
Extended Description
EBR-3Z-2B0DB1-B Eaton: Eaton, Bus differential relay, EBR-3000, 40-250 Vac, 19-300 Vdc, Bus relay, Profibus-DP (Fiber optics interface, ST Connector), 40-250 Vac, 19-300 Vdc,40-250Vac, 10 W / 17 VA, 5 A ac / dc, 50/60 Hz, Projection panel mount, -20° to 60°C
Product Name
Eaton Bus differential relay
Catalog Number
EBR-3Z-2B0DB1-B
UPC
786679194720
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 (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
Projection panel
Terminals
Removable
Contact Rating
5 A ac / dc
Operating temperature
-20° to 60°C
Voltage sensing inputs
0
Power supply versatility enables operation across diverse plant architectures; it supports 40-250 Vac and 19-300 Vdc, reducing the need for extra power conversion hardware and simplifying retrofits for aging equipment. This directly translates to lower install time and reduced lifecycle costs in greenfield and brownfield projects. The removable terminals and projection panel mounting improve installation speed and field serviceability, allowing quick wiring changes and easier maintenance in crowded panel floors. With eight digital inputs and six outputs, engineers can implement comprehensive feeder logic and zone control while keeping wiring complexity in check. The Profibus-DP fiber optic interface delivers robust, interference-resistant communication for critical protection schemes in noisy plant environments. Conformal coating and wide operating temperature (-20° to 60°C) extend reliability in harsh industrial conditions, supporting longer service intervals and lower replacement costs. Burden of 10 W / 17 VA and a 5 A contact rating provide predictable load handling for standard protection tasks, helping facilities stay within their electrical protection budgets. Overall compatibility with the EBR-3000 base relay streamlines upgrades and reduces spare parts diversity, while the 50/60 Hz operation aligns with global manufacturing footprints.
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FAQs
This relay is designed for projection panel mounting with removable terminals, enabling straightforward wiring and quick field changes. Plan for eight digital inputs and six outputs, ensuring you have adequate space for cabling and clear labeling. The panel-friendly form factor supports retrofits in existing switchgear without extensive backbox modifications.
The EBR-3Z-2B0DB1-B supports power from 40-250 Vac or 19-300 Vdc, operates at 50/60 Hz, and provides a 5 A contact rating. It draws 10 W / 17 VA of burden and uses a bus differential protection concept to isolate faults quickly. These specs support reliable feeder protection in diverse industrial environments.
Yes, the relay includes a Profibus-DP (fiber optics interface, ST connector), enabling robust communication with PLCs and automation controllers. This interface reduces noise susceptibility in industrial settings and supports precise coordination in zone selective interlocking and feeder protection schemes.
Compliances are specified by the manufacturer and can vary by region and application. It’s recommended to confirm CE, UL, and IP rating details with Eaton for your installation site and ensure the device meets local electrical safety and protection standards before deployment.
The product follows Eaton’s standard warranty policy: one year from installation or eighteen months from shipment, whichever occurs first. Routine maintenance includes periodic inspection of wiring, terminal integrity, and verification of communication links to ensure sustained protection performance.