Eaton EBR-3Z-2B0CB0-A Bus differential relay - MODBUS/DNP3
Part Number: EBR-3Z-2B0CB0-A
Quick Summary
Eaton Bus differential relay protects large electrical buses by detecting current imbalances in switchgear applications. Users often wrestle with integrating high-impedance protection modules and achieving reliable operation under fluctuating loads. This model offers high impedance protection, 50/60 Hz compatibility, conformal coating for harsh environments, and RJ45 MODBUS/DNP3 communication, enabling seamless integration into modern control rooms. Certification details are provided by the manufacturer; verify standards such as SIL, CE, or IP ratings with Eaton to ensure suitability for your facility. The combination of rugged mounting, a 5 A contact rating, and a clear warranty delivers tangible business value through reduced downtime and simpler maintenance planning.
Product Information
Extended Description
EBR-3Z-2B0CB0-A Eaton: Eaton, Bus differential relay , 3000 High Impedance Bus Differential Relay and EBR-Z High Impedance Module in common bezel, MODBUS/DNP3 (RJ45), Conformal Coating, Standard Mount, 5.2kJ
Product Name
Eaton Bus differential relay
Catalog Number
EBR-3Z-2B0CB0-A
UPC
786679194393
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 → Business Impact → Application: High-impedance bus differential protection delivers selective tripping and reduced fault current exposure, improving system reliability and lowering downstream disruption; used in switchgear and power distribution networks to protect bus sections and feeders. Feature → Business Impact → Application: Common bezel integration with EBR-Z High Impedance Module enables modular upgrades and fast field replacement, reducing maintenance costs and downtime during protection upgrades. Feature → Business Impact → Application: Conformal coating enhances reliability in challenging environments such as industrial plants or outdoor switchgear, ensuring long-term operation with minimal upkeep. Feature → Business Impact → Application: RJ45 MODBUS/DNP3 communication provides clear, standards-based integration with SCADA and control systems, improving visibility and control during fault events. Feature → Business Impact → Application: 5.2 kJ energy rating and 10 W / 17 VA burden give predictable response characteristics and support for coordinated protection strategies in medium to large power systems. Feature → Business Impact → Application: Standard mounting and 7.49 in depth, 8.62 in height, and 13.64 in width simplify installation and enclosure planning, helping engineers fit the relay into existing panels with minimal hardware changes.
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FAQs
The EBR-3Z-2B0CB0-A supports standard mounting and RJ45 MODBUS/DNP3 communication, enabling straightforward integration with typical SCADA and protective relays. Its common bezel design and high impedance module compatibility simplify retrofits in existing assemblies while preserving protection coordination.
Key specs include 50/60 Hz operation, 5 A contact rating (AC/DC), burden of 10 W / 17 VA, energy rating of 5.2 kJ, and a temperature range of -20°C to 60°C. Dimensions are 13.64 in width, 8.62 in height, 7.49 in depth, with a weight of 12.7 lb, guiding enclosure and wiring design.
Yes. The EBR-3Z-2B0CB0-A is designed for high-impedance bus differential protection, which improves fault detection accuracy and selectivity in bus arrangements. Its modular EBR-Z high impedance option supports scalable protection configurations in substations and large switchgear.
Choose a standard-mount enclosure suitable for industrial environments; apply conformal coating as specified; ensure proper RJ45 wiring for MODBUS/DNP3; verify clearances for the 12.7 lb unit and its 13.64 x 8.62 x 7.49 in footprint to maintain cooling and access for maintenance.
The product is covered by Eaton’s warranty policy, typically one year from installation or 18 months from shipment, whichever comes first. For compliance and certification specifics, always consult Eaton to confirm CE, SIL, IP, or other registrations applicable to your installation and regulatory requirements.