Eaton EBR-3000-2B0LB1 Bus differential relay - High-Impedance
Part Number: EBR-3000-2B0LB1
Quick Summary
The Eaton Bus differential relay protects transformer and feeder buses by detecting current imbalances in power systems. Engineers often struggle with nuisance trips and slower fault isolation when bus protection isn’t fast or selective. Certification details are not listed in the data; confirm SIL, CE, or IP approvals with Eaton for your compliance planning. With modular high-impedance protection, conformal coating, and MODBUS/DNP3 communication, this relay supports reliable, scalable protection for modern substations. Designed for industrial automation and electrical protection workflows, it aligns with modernization goals while enabling safer, more efficient operations.
Product Information
Extended Description
EBR-3000-2B0LB1 Eaton: Eaton, Bus differential relay , 3000 High Impedance Bus Differential Relay (Requires EBR-Z High Impedance Module), MODBUS/DNP3 (FO LC), Conformal Coating, Projection Mount
Product Name
Eaton Bus differential relay
Catalog Number
EBR-3000-2B0LB1
UPC
786679195925
Product Length/Depth
7.49 in
Product Height
8.62 in
Product Width
6.82 in
Product Weight
5.3 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
Type
Bus differential relay
Burden
10 W / 17 VA
Frequency rating
50/60 Hz
Mounting method
Projection panel
Contact Rating
5 A ac / dc
Operating temperature
-20° to 60°C
High-impedance protection capabilities deliver precise fault discrimination, reducing nuisance trips and unplanned outages while protecting critical transformers and feeder buses in both substations and industrial facilities. The modular architecture allows easy integration with the EBR-Z High Impedance Module, providing a scalable upgrade path for aging protection schemes without a full hardware overhaul. This translates to lower lifecycle costs, faster commissioning, and more reliable protection in rapidly evolving electrical systems. The unit supports MODBUS/DNP3 (FO LC) communications, enabling seamless remote monitoring and integration with SCADA and protection systems for centralized control and faster decision-making. Conformal coating enhances reliability in harsh or damp environments, while projection-panel mounting simplifies installation and service access, reducing commissioning time and maintenance overhead.
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FAQs
Begin by verifying panel space for the projection-panel mounting form factor and ensure clearance for wiring and cooling. The device is designed for projection panel installation and can be combined with the EBR-Z High Impedance Module for upgrade paths. Plan for proper cable routing to minimize interference, and ensure the panel’s environmental conditions meet the -20° to 60°C operating range. After mounting, connect power and the MODBUS/DNP3 communication link for remote monitoring. Finally, perform a functional test to confirm correct differential protection operation and confirm compatibility with existing protection schemes.
Key specs include 50/60 Hz frequency rating, 5 A contact rating (AC/DC), and a burden of 10 W / 17 VA. These factors determine pickup sensitivity, relay operation speed, and the energy required to drive the contacts. The unit is designed for high-impedance bus differential protection, enabling selective fault isolation on transformers and feeders. A well-matched burden and contact rating support reliable performance under varying load conditions and fault currents.
Yes. The relay is purpose-built for bus differential protection, featuring high-impedance protection suitable for precise fault discrimination in transformer feeder circuits. Its projection-panel mounting, conformal coating, and MODBUS/DNP3 communications support integration into modern substations and industrial power distribution environments, providing fast, selective protection and easier remote monitoring.
The provided data lists Compliance as 'Contact Manufacturer,' and no specific certifications are shown. For formal SIL, CE, or IP rating approvals, contact Eaton directly or request the official certification documentation to ensure alignment with your project’s regulatory requirements.
The product warranty is one year from installation or eighteen months from shipment, whichever occurs first, reducing long-term risk. Conformal coating and a modular upgrade path with the EBR-Z module lower maintenance and replacement costs in harsh environments and aging installations. Remote monitoring via MODBUS/DNP3 improves diagnostic visibility, enabling predictive maintenance and steady uptime in critical protection schemes.