Eaton EBR-3Z-2B0HB1-B Bus differential relay - High-Imp
Part Number: EBR-3Z-2B0HB1-B
Quick Summary
The Eaton bus differential relay delivers high-impedance protection for busbars in switchgear installations. Engineers often wrestle with nuisance trips, limited fault visibility, and the challenge of coordinating protective schemes during transients. Regulatory certifications such as CE, SIL, or IP ratings are not listed for this model; verify with Eaton to ensure compliance in your market. Featuring 61850, MODBUS, and DNP3 communications, conformal coating for harsh environments, projection-panel mounting, and a 10.4 kJ energy rating, the EBR-3Z-2B0HB1-B enables scalable, reliable protection within modern industrial automation and power distribution schemes.
Product Information
Extended Description
EBR-3Z-2B0HB1-B Eaton: Eaton, Bus differential relay , 3000 High Impedance Bus Differential Relay and EBR-Z High Impedance Module in common bezel, 61850/MODBUS/DNP3 (RJ45), Conformal Coating, Projection Mount, 10.4kJ
Product Name
Eaton Bus differential relay
Catalog Number
EBR-3Z-2B0HB1-B
UPC
786679193921
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: The EBR-3Z-2B0HB1-B provides high-impedance bus differential protection, improving selective fault isolation and reducing system-wide outage risk in medium-to-large switchgear. This translates to faster fault localization, fewer nuisance trips, and lower maintenance costs when protecting complex bus architectures in data centers and manufacturing facilities. Feature → Business Impact → Application: RJ45 communication supports 61850, MODBUS, and DNP3, enabling seamless integration with SCADA and protection schemes, which shortens commissioning time and improves visibility into real-time protection status across plant networks. Feature → Business Impact → Application: Conformal coating and projection-panel mounting enhance reliability in harsh environments, while a 10.4 kJ energy rating provides robust energy handling during transients, reducing the likelihood of misoperation in high-energy faults. Feature → Business Impact → Application: The compact dimensions and 12.7 lb weight offer straightforward installation in crowded panel interiors, easing retrofits and enabling scalable protection upgrades across distributed generation or ancillary feeders. Feature → Business Impact → Application: With a broad operating range (-20° to 60°C) and a 5 A contact rating, this relay supports a wide set of protection schemes without compromising response time or accuracy, delivering consistent protection across varying seasonal conditions. These capabilities align with industry best practices for protective relays in automation-heavy power distribution environments.
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FAQs
The EBR-3Z-2B0HB1-B provides high-impedance bus differential protection for busbars in switchgear, enabling selective fault isolation and improved reliability. It is designed to monitor line currents and detect internal faults, helping prevent cascading outages in distribution networks and critical industrial facilities.
Key electrical specs include operation at 50/60 Hz, a 5 A contact rating (AC/DC), and a 10.4 kJ energy capacity. It supports a projection-panel mounting method, a 10 W/17 VA burden, and an operating temperature range of -20 to 60°C, making it suitable for varied industrial environments.
Yes. The relay provides RJ45 connectivity with 61850, MODBUS, and DNP3 communication options, enabling integration with SCADA, protection relays, and automation systems for centralized monitoring and control.
It uses projection-panel mounting and is conformally coated for harsh environments. The operating temperature range is -20°C to 60°C, allowing operation across industrial climates. Dimensions are 13.64 in W x 8.62 in H x 7.49 in D with a weight of 12.7 lb, facilitating installation in compact switchgear cabinets.
The product carries Eaton’s warranty policy of one year from installation or eighteen months from shipment, whichever comes first. Routine maintenance should follow Eaton’s guidelines and field service recommendations to preserve protection accuracy and minimize nuisance trips.