Eaton EBR-3Z-2B0LB1-B Bus differential relay - High Impedance Module
Part Number: EBR-3Z-2B0LB1-B
Quick Summary
Eaton Bus differential relay provides fast, high-impedance protection for feeder and bus sections in electrical distribution. Too often teams face coordination gaps between protection devices, leading to longer outages and costly downtime. Industry standards such as CE marking, IP ratings, and SIL assessments guide selection; confirm the exact certifications with Eaton for your installation. This solution supports MODBUS/DNP3 communication and conformal coating, delivering clear business value through reliability, modularity, and easier integration into existing architectures. By combining robust protection with a common bezel and retrofit-friendly design, you gain uptime, simplified maintenance, and scalable monitoring across facilities.
Product Information
Extended Description
EBR-3Z-2B0LB1-B Eaton: Eaton, Bus differential relay , 3000 High Impedance Bus Differential Relay and EBR-Z High Impedance Module in common bezel, MODBUS/DNP3 (FO LC), Conformal Coating, Projection Mount, 10.4kJ
Product Name
Eaton Bus differential relay
Catalog Number
EBR-3Z-2B0LB1-B
UPC
786679195963
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
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
Power Systems Experience Center Tour – Metering Focus
Eaton Specification Sheet - EBR-3Z-2B0LB1-B
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: High impedance bus differential protection targets fault detection to prevent misoperation and minimize fault severity. Business Impact: Faster isolation reduces outage duration and protects critical bus configurations, lowering maintenance costs. Application: Suitable for medium to large electrical distributions where precise differential protection is required and where downtime has significant cost implications. Feature: MODBUS/DNP3 (FO LC) communication enables seamless SCADA integration. Business Impact: Simplified data collection, remote monitoring, and easier fault analytics, which shorten restoration times. Application: Modernizing legacy panels by adding secure, protocol-compatible monitoring without major rewrites. Feature: Conformal coating and rugged construction enhance reliability in harsh environments. Business Impact: Lower field failures, extended service life, and reduced replacement cycles. Application: Outdoor or damp indoor installations where exposure to dust, moisture, and temperature swings is common. Feature: Projection panel mounting with a common bezel (EBR-Z) supports quick retrofits. Business Impact: Reduced installation time and costs, easier upgrades, and consistent maintenance across devices. Application: Retrofitting older gear in cabinets with limited space. Feature: 10 W / 17 VA burden and 5 A contact rating deliver efficient control power and robust switching. Business Impact: Lower power draw on control circuits and dependable fault signaling under load. Application: Integrated protection schemes with reliable actuation while preserving overall panel power budgets. Feature: Broad operating temperature range (-20°C to 60°C) supports installations in diverse climates. Business Impact: Maintains performance in extreme conditions, reducing winterization and enclosure heating needs. Application: Industrial plants with temperature swings or remote substations.
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FAQs
This model uses projection panel mounting and is designed to fit a common bezel within an Eaton protection scheme. When retrofitting, ensure enclosure width and depth accommodate 13.64 in by 7.49 in by 8.62 in dimensions, and verify that the common bezel and EBR-Z module fit the existing cabinet layout to minimize modification work.
The device features a 5 A AC/DC contact rating and a burden of 10 W / 17 VA, which ensures reliable actuation without excessive load on control circuits. It operates at 50/60 Hz and supports a wide ambient range, making it suitable for standard protection schemes in diverse facilities.
Yes, the relay supports MODBUS/DNP3 (FO LC) for easy SCADA integration. Configuration typically involves mapping protection events and status outputs to your SCADA tags, enabling remote monitoring and fast fault analysis. Use the common bezel when combining with the EBR-Z high impedance module for a unified interface.
Yes. Conformal coating protects electronics from moisture and contaminants, and the device is built for a broad operating temperature range of -20°C to 60°C. The projection panel mount and robust enclosure reduce exposure to vibration and dust, supporting long service life in industrial substations and distribution cabinets.
Eaton’s policy 25-000 applies, offering one year from installation or 18 months from shipment, whichever occurs first. ROI stems from faster fault isolation, reduced outage time, and easier integration with MODBUS/DNP3-enabled monitoring, yielding lower downtime costs and streamlined maintenance over the device’s lifecycle.