Eaton EBR-3Z-2B0HA0-A Bus Differential Relay - Hi-Z
Part Number: EBR-3Z-2B0HA0-A
Quick Summary
Eaton Bus differential relay is designed to protect feeders with high impedance differential protection in switchgear applications. Engineers often wrestle with nuisance trips and slow fault isolation that extend downtime and complicate maintenance. Compliance details are provided by the manufacturer; the unit supports 50/60 Hz operation and RJ45 communications for integration with 61850, MODBUS, and DNP3 networks. With a standard mounting footprint and a robust 12.7 lb chassis, it fits common panel designs while maintaining space efficiency. The device also supports reliable operation across a wide temperature range and power system configurations, delivering fast protection without compromising selectivity. This combination translates into lower maintenance costs and higher system availability, a key value for utilities and industrial plants.
Product Information
Extended Description
EBR-3Z-2B0HA0-A Eaton: Eaton, Bus differential relay , 3000 High Impedance Bus Differential Relay and EBR-Z High Impedance Module in common bezel, 61850/MODBUS/DNP3 (RJ45), Standard Mount, 5.2kJ
Product Name
Eaton Bus differential relay
Catalog Number
EBR-3Z-2B0HA0-A
UPC
786679193808
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
High impedance protection (Hi-Z) is the core feature of the Eaton EBR-3Z-2B0HA0-A. This capability enhances selectivity by confirming faults based on differential current thresholds, reducing nuisance trips and shortening repair windows. The business impact is clear: lower downtime and safer, more reliable bus protection in complex switchgear environments. In practical terms, this means easier commissioning on new builds and smoother retrofits in aging infrastructure, where precise coordination with neighboring protective devices is essential. The relay’s 61850/MODBUS/DNP3 (RJ45) communications enable seamless integration with modern automation stacks, improving data visibility and control without requiring extensive wiring changes. Field teams gain faster fault diagnostics and easier remote monitoring, driving maintenance efficiency and clearer ROI over the system lifecycle. For panel builders, standard mounting and compact dimensions simplify installation into existing enclosures, while the 12.7 lb chassis provides a sturdy, vibration-resistant platform for critical protection tasks. The 5 A contact rating supports reliable signaling to trip actuators, even under demanding fault conditions, and the burden specification (10 W / 17 VA) helps engineers design power budgets more accurately. In regions where compliance varies, the manufacturer provides guidance to ensure your installation aligns with local requirements, while the 5.2 kJ energy handling adds resilience for high-energy electrical systems. Overall, this relay blends protection performance with installation practicality to reduce lifecycle costs and extend equipment availability.
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FAQs
The EBR-3Z-2B0HA0-A uses standard mounting suitable for typical protection panels. It features a broad footprint (width 13.64 in, height 8.62 in, depth 7.49 in) and a 12.7 lb chassis, designed to retrofit into common enclosures. For connections, it employs RJ45 communication supporting 61850, MODBUS, and DNP3, enabling straightforward integration with existing automation networks.
Key electrical specs include a 50/60 Hz frequency rating, a 5 A AC/DC contact rating, and a burden of 10 W / 17 VA. The energy handling is rated at 5.2 kJ, and the operating temperature range is -20°C to 60°C, ensuring reliable operation in typical industrial environments.
Yes. The high-impedance protection framework provides selective fault detection on bus differential protection schemes, reducing nuisance trips and improving fault isolation. Its standard mounting and robust communications support make it well-suited for integration into large switchgear assemblies and utility-scale installations.
Compliance details are provided by the manufacturer. The product lists 'Compliances: Contact Manufacturer,' so verify regional certifications (CE, SIL, IP as applicable) directly with Eaton to ensure alignment with your project requirements and local standards before deployment.
The unit is backed by a one-year warranty from installation or an 18-month warranty from shipment, whichever occurs first, reducing risk in procurement. Its modular design, standard mounting, and common communication interfaces simplify diagnostics, spare parts supply, and future upgrades, contributing to lower lifecycle costs and higher system uptime.