Eaton EBR-3Z-2B0IA1-B Bus differential relay - High Impedance
Part Number: EBR-3Z-2B0IA1-B
Quick Summary
Eaton Bus differential relay provides fast, high-impedance protection for busbars in electrical distribution networks. Engineers rely on it to isolate faults quickly while avoiding unnecessary trips that disrupt critical processes. Certification details for this model are provided by the manufacturer and should be confirmed, as specific CE/SIL/IP ratings vary by kit and regional requirements. In practice, the EBR-3Z-2B0IA1-B supports MODBUS/DNP3 communications, projection panel mounting, and a compact footprint, delivering reliable protection in tight equipment spaces. This combination reduces downtime, simplifies control integration, and lowers lifecycle costs by enabling consistent, standards-aligned protection across switchgear assemblies.
Product Information
Extended Description
EBR-3Z-2B0IA1-B Eaton: Eaton, Bus differential relay , 3000 High Impedance Bus Differential Relay and EBR-Z High Impedance Module in common bezel, MODBUS/DNP3 (RS485 OR RJ45), Projection Mount, 10.4kJ
Product Name
Eaton Bus differential relay
Catalog Number
EBR-3Z-2B0IA1-B
UPC
786679193969
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
Feature → Business Impact → Application: High-impedance protection reduces nuisance trips and improves stability in busbar protection schemes, delivering more predictable operation for critical loads and minimizing shutdowns in substations. This supports accurate fault isolation while maintaining system availability, ideal for modern switchgear and distribution networks. Feature → Business Impact → Application: 50/60 Hz operation with a 10 W / 17 VA burden ensures compatibility with standard power systems and minimizes additional losses, enabling straightforward integration into existing cabinets and control architectures in industrial facilities. Feature → Business Impact → Application: 5 A contact rating provides reliable signaling to protection relays and metering equipment without overloading circuits, supporting seamless interface with SCADA systems and protection schemes in plants. Feature → Business Impact → Application: Projection panel mounting simplifies retrofits and tight-space installations, reducing engineering time and enabling compact protection panels in modern electrical rooms. Feature → Business Impact → Application: MODBUS/DNP3 (RS485 or RJ45) connectivity accelerates control room integration, enabling efficient data exchange with energy management systems and automation platforms. Feature → Business Impact → Application: The model’s physical footprint and standardized dimensions support easier lifecycle planning, spare-part provisioning, and consistent performance across multi-bay installations.
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FAQs
The EBR-3Z-2B0IA1-B is designed for projection panel mounting, enabling straightforward retrofits in compact cabinet spaces. Ensure correct alignment with the panel cutout, secure with standard mounting hardware, and connect the RS485 or RJ45 communication lines for MODBUS/DNP3 integration. Verify 50/60 Hz supply and space for the 13.64 in width by 8.62 in height footprint.
Key specs include a 50/60 Hz frequency rating, 5 A contact rating (AC/DC), and a burden of 10 W / 17 VA. These values support reliable signaling to protection and metering devices while maintaining compatibility with typical substation control circuits and SCADA interfaces.
Yes. This model is explicitly described as a high-impedance bus differential relay, designed to minimize nuisance trips during external disturbances while providing fast fault isolation for busbars in distribution networks.
Compliance details are not specified in the provided data. Certification information such as CE, SIL, or IP ratings should be confirmed directly with Eaton or the regional distributor to ensure alignment with the project’s regulatory requirements.
Warranty is governed by Eaton’s policy: one year from installation or eighteen months from shipment, whichever occurs first. Regular inspection of connections and communication interfaces, plus periodic functional checks, help maximize reliability and ROI in protection schemes.