Eaton EBR-3Z-2B0DB0-B Bus differential relay - 40-250 Vac
Part Number: EBR-3Z-2B0DB0-B
Quick Summary
The Eaton EBR-3Z-2B0DB0-B bus differential relay streamlines feeder protection for industrial power distribution. Many panels struggle with nuisance trips and slow fault isolation in mixed-voltage feeders, leading to unplanned downtime and costly maintenance. This model is designed for harsh industrial environments with a wide operating range (-20 to 60 C) and 50/60 Hz supply, while its conformal-coated circuit boards resist moisture and contaminants. Compliance details should be confirmed with the manufacturer; however, the device supports standard mounting, removable terminals, and a Profibus-DP interface via fiber optics, enabling seamless integration into existing automation architectures. By combining robust protection with flexible IO and clear fault signaling, it supports faster recovery and predictable maintenance windows, improving overall plant uptime and safety.
Product Information
Extended Description
EBR-3Z-2B0DB0-B Eaton: Eaton, Bus differential relay, EBR-3000, 40-250 Vac, 19-300 Vdc, Bus relay, 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-2B0DB0-B
UPC
786679194713
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
Standard
Terminals
Removable
Contact Rating
5 A ac / dc
Operating temperature
-20° to 60°C
Voltage sensing inputs
0
Feature: Eight digital inputs and six digital outputs provide comprehensive feeder protection without external IO modules. Business Impact: Reduces panel footprint, wiring complexity, and installation time, while enabling quicker fault signaling. Application: Ideal for modernizing legacy feeders in manufacturing lines with tight space constraints. Long-tail keywords: bus differential relay for feeders, feeder protection solutions, digital IO on bus relays. Feature: 5 A contact rating with a 10 W / 17 VA burden delivers reliable, energy-efficient protection. Business Impact: Lower energy consumption on protection circuits and increased reliability under fault conditions. Application: Suitable for medium-power feeder protections in data centers and industrial plants. Feature: Profibus-DP communication over fiber optics (ST connector) enables robust networking. Business Impact: Improves data integrity and remote diagnostics, reducing downtime during maintenance. Application: Smart factories and automated facilities requiring dependable fieldbus integration. Feature: Conformal coating and removable terminals simplify installation and service in challenging environments. Business Impact: Higher MTBF in humid or dusty plants and faster field maintenance. Application: Outdoor or damp plant areas with easier retrofits. Feature: Wide power supply range (40-250 Vac, 19-300 Vdc) and -20 to 60 C operating range. Business Impact: Flexible deployment across multiple plants without voltage conversions. Application: Multi-site protection schemes and retrofit projects. Feature: Standard mounting accommodates existing enclosures and quick deployment. Business Impact: Accelerates installation timelines and minimizes downtime during upgrades. Application: retrofit projects in electrical protection and circuit control domains.
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FAQs
Yes. The unit includes Profibus-DP communication with a fiber optics interface (ST connector), supports standard mounting, and uses removable terminals to simplify wiring during retrofits or new installations. Ensure your network topology accommodates the fiber link and the device's IO configuration.
The relay accepts 40-250 Vac and 19-300 Vdc power, with a 5 A contact rating (AC/DC). It draws 10 W / 17 VA burden, operates at 50/60 Hz, and supports a -20 to 60 C temperature range, making it suitable for diverse industrial feeders.
Yes. With 8 digital inputs, 6 outputs, and a bus differential protection function, it is well-suited for feeder protection in manufacturing plants. Its standard mount, removable terminals, and –20 to 60 C tolerance support reliable operation in typical automation environments.
Compliance details are listed as 'Contact Manufacturer' in the data. Verify required certifications (such as CE, SIL, or IP ratings) directly with Eaton prior to purchase or deployment, and confirm environmental ratings (conformal coating) for your installation site.
Removable terminals simplify field wiring and service, while conformal-coated boards enhance reliability in challenging environments. The product carries Eaton's warranty policy and leverages a robust base relay (EBR-3000) for scalable protection, contributing to reduced downtime and predictable maintenance costs.