Eaton EBR-3Z-2B0FB1-A Bus differential relay - High Impedance
Part Number: EBR-3Z-2B0FB1-A
Quick Summary
The Eaton bus differential relay EBR-3Z-2B0FB1-A provides fast differential protection for power distribution buses and switchgear. This device safeguards medium-to-large busbar networks by detecting differential faults between feeders, helping prevent cascading failures. Its high impedance design minimizes nuisance trips during inrush or transient events, improving stability and uptime. Compliance details should be verified with Eaton for CE marking, IP ratings, and SIL capability depending on configuration. With MODBUS/DNP3 communication, conformal coating, and projection mounting, it supports reliable integration in harsh industrial environments while delivering measurable business value in reduced downtime and extended equipment life.
Product Information
Extended Description
EBR-3Z-2B0FB1-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), Conformal Coating, Projection Mount, 5.2kJ
Product Name
Eaton Bus differential relay
Catalog Number
EBR-3Z-2B0FB1-A
UPC
786679194881
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: High impedance protection with a 5 A contact rating; Business Impact: Reduces nuisance tripping and improves selectivity during faults; Application: Large power buses in manufacturing and data centers benefit from cleaner protection schemes and fewer unnecessary trips. Feature: 50/60 Hz compatibility; Business Impact: Enables global deployment across regional grids without reconfiguration; Application: International facilities requiring consistent protection across varying supply frequencies. Feature: Conformal coating; Business Impact: Enhanced reliability in humid or corrosive environments; Application: Outdoor or damp control rooms where junctions face condensation risk. Feature: Projection panel mounting; Business Impact: Streamlined installation and servicing with minimal panel depth considerations; Application: Retrofit or new-build switchgear enclosures. Feature: 5.2 kJ energy capability; Business Impact: Faster fault energy absorption improves clearing performance under high-energy faults; Application: Substation or large-bus assemblies demanding robust protection. Feature: 10 W / 17 VA burden and 5 A contact rating; Business Impact: Efficient power usage with robust switching; Application: Systems prioritizing energy efficiency and precise control. Feature: MODBUS/DNP3 communication; Business Impact: Easy integration with SCADA and remote monitoring; Application: New or retrofit protection schemes across automation infrastructures.
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FAQs
The relay uses projection panel mounting, which simplifies installation in standard switchgear envelopes and facilitates quick access for maintenance. This method also helps ensure stable alignment and consistent heat dissipation in compact spaces.
Key specs include a 5 A contact rating (AC/DC), a burden of 10 W / 17 VA, and operation at 50/60 Hz. These figures support reliable switching performance while maintaining energy efficiency during protection operations.
Yes, it is designed for 50/60 Hz systems. It also features conformal coating for protection in harsh environments, with an operating temperature range from -20°C to 60°C, making it suitable for industrial environments.
Yes, the EBR-3Z-2B0FB1-A supports MODBUS/DNP3 communications, enabling seamless integration with SCADA and other automation layers for monitoring and control.
The relay has a 5.2 kJ energy capability, which enhances fault energy handling and improves clearing performance under high-energy fault conditions, reducing the risk of prolonged fault states and equipment damage.