Eaton EBR-3Z-2B0FA0-A Bus differential relay - High Impedance
Part Number: EBR-3Z-2B0FA0-A
Quick Summary
Eaton Bus differential relay is a high-impedance protection device designed to safeguard electrical feeders and bus bars in distribution systems. This solution helps prevent nuisance trips from external faults while maintaining fast isolation for internal faults. Compliance considerations include CE, SIL, and IP ratings typical for industrial protection equipment; verify exact certifications with Eaton for your region. For engineers and project teams, this relay delivers robust protection with MODBUS/DNP3 communication, a standard mounting footprint, and a compact common bezel with EBR-Z high-impedance module. By integrating this relay, facilities can improve system reliability, simplify integration with SCADA, and reduce maintenance costs through predictable performance and clear fault signaling.
Product Information
Extended Description
EBR-3Z-2B0FA0-A Eaton: Eaton, Bus differential relay , 3000 High Impedance Bus Differential Relay and EBR-Z High Impedance Module in common bezel, MODBUS/DNP3 (FO ST), Standard Mount, 5.2kJ
Product Name
Eaton Bus differential relay
Catalog Number
EBR-3Z-2B0FA0-A
UPC
786679194829
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
Standard
Contact Rating
5 A ac / dc
Operating temperature
-20° to 60°C
Feature: High impedance bus differential protection with a 5 A contact rating. Business Impact: Reduces nuisance tripping and improves selective protection for feeder outages. Application: Ideal for distribution bus protection in industrial plants and substations. Feature: MODBUS/DNP3 (FO ST) communication capability. Business Impact: Enables seamless integration with SCADA, energy management systems, and remote monitoring. Application: Commonly deployed in substations and panel stations requiring digital communication. Feature: Standard mounting with a common EBR-Z high impedance module and common bezel. Business Impact: Simplifies installation, minimizes space, and reduces spare parts inventory. Application: Retrofit or new-build switchgear and control centers. Feature: Burden and power characteristics of 10 W / 17 VA. Business Impact: Predictable power draw simplifies panel design and power budgeting. Application: Control cabinets and protection panels with tight energy accounting. Feature: Electrical and environmental specs: 50/60 Hz operation, -20°C to 60°C ambient range. Business Impact: Supports diverse installation environments, enhancing reliability and uptime. Application: Industrial facilities and utilities with variable operating conditions. Feature: 5 A ac/dc contact rating and 7.49 in depth, 8.62 in height, 13.64 in width, 12.7 lb weight. Business Impact: Clear, robust physical footprint with manageable weight for mounting and serviceability. Application: Field installations, panel boards, and distribution boards.
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FAQs
Plan for standard mounting in control panels or switchgear with the common bezel and EBR-Z module. The unit weighs 12.7 lb and occupies a footprint of roughly 13.64 in width by 8.62 in height and 7.49 in depth, providing a compact yet robust protection solution suitable for 50/60 Hz systems operating between -20°C and 60°C. Ensure adequate clearance for heat dissipation and easy access for wiring and diagnostics.
Key specs include a 5 A AC/DC contact rating and a burden of 10 W / 17 VA. The device supports 50/60 Hz operation and standard mounting, with dimensions of 13.64 in by 8.62 in by 7.49 in and a weight of 12.7 lb. These parameters influence panel design, wiring, and fault-clearing performance in industrial protection schemes.
Yes. The EBR-3Z-2B0FA0-A features MODBUS/DNP3 (FO ST) communication capabilities, enabling direct integration with SCADA, energy management, and remote diagnostics. This compatibility reduces wiring complexity, accelerates data collection, and supports centralized protection coordination across distributed facilities.
This unit excels in bus differential protection for electrical distribution systems, including substations, switchrooms, and large panel boards. Its high-impedance design minimizes misoperation during external faults, while fast isolation preserves system integrity. It’s well matched to environments requiring robust protection, reliable communications, and straightforward installation.
Official resources include the Eaton Specification Sheet for EBR-3Z-2B0FA0-A and the Power Systems Experience Center Tour – Metering Focus video. Access to these assets provides detailed installation guidance, wiring diagrams, and integration considerations to support project planning and procurement decisions.