Eaton Bus differential relay EBR-3Z-2B0IA0-A - High Impedance Protection
Part Number: EBR-3Z-2B0IA0-A
Quick Summary
Eaton Bus differential relay EBR-3Z-2B0IA0-A is a high-impedance protection device designed for protecting bus sections in medium-to-large power distribution networks. Engineers often struggle with nuisance trips and miscoordination during faults, which can lead to unnecessary downtime and costly outages. Compliances are to be confirmed with the manufacturer and site requirements, as formal certifications are not listed in the data; check for CE, IP, or SIL according to your installation needs. This relay offers MODBUS/DNP3 communication over RS485 or RJ45 and a standard mounting option, delivering reliable, easily integrated protection that supports efficient maintenance and scalable deployment across modern electrical systems.
Product Information
Extended Description
EBR-3Z-2B0IA0-A 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), Standard Mount, 5.2kJ
Product Name
Eaton Bus differential relay
Catalog Number
EBR-3Z-2B0IA0-A
UPC
786679193952
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: High-impedance bus differential protection; Business Impact: Improves fault isolation and reduces nuisance trips by limiting undesired tripping during external faults; Application: Suitable for medium-to-large distribution buses where stability is critical and fast isolation is required. Feature: 5 A ac/dc contact rating; Business Impact: Enables reliable interlocking and signaling without overstressing control circuits, lowering switchgear wear and maintenance costs; Application: Interface with protective relays and control systems in industrial plants. Feature: Frequency rating 50/60 Hz; Business Impact: Ensures compatibility across regional power systems, simplifying global deployments and spares provisioning; Application: Data centers and facilities with mixed electrical infrastructures. Feature: Standard mounting; Business Impact: Simplifies retrofits and panel upgrades, reducing installation time and labor costs; Application: Fits common enclosure footprints in control rooms and switchgear. Feature: MODBUS/DNP3 over RS485 or RJ45; Business Impact: Enables remote monitoring and integration with SCADA, improving visibility and fault diagnosis; Application: Industrial automation environments with remote asset management. Feature: Burden 10 W / 17 VA; Business Impact: Low power burden supports energy efficiency and reduces overall cabinet heat load; Application: Panel design where heat and power budgets are tight. Feature: Warranty and support; Business Impact: Provides peace of mind with a clear policy, reducing lifecycle risk and ensuring timely replacements or service; Application: Procurement planning and long-term maintenance strategies.
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FAQs
The EBR-3Z-2B0IA0-A features standard mounting to fit typical panels used in industrial facilities. Its dimensions (7.49 in depth, 8.62 in height, 13.64 in width) ensure a pragmatic footprint within common switchgear bays, while the standard bezel enables straightforward integration with the EBR-Z High Impedance Module in a shared enclosure.
Core specs include 50/60 Hz operation and a 5 A ac/dc contact rating, with a burden of 10 W / 17 VA. The device is designed for high-impedance bus differential protection, providing rapid isolation of faults on bus sections while minimizing nuisance tripping and preserving relay coordination.
Yes, its MODBUS/DNP3 communication options over RS485 or RJ45 support remote monitoring and integration with SCADA systems, which is valuable in data centers and mission-critical facilities. The standard mounting and robust operating range (-20°C to 60°C) help maintain protection reliability in fluctuating power environments.
Compliance details are provided by the manufacturer and should be confirmed for your installation site. The data indicates 'Compliances: Contact Manufacturer', so verify CE, IP, SIL, or other region-specific certifications with Eaton to meet local regulatory requirements.
Beneficiaries include reduced downtime from accurate fault isolation and lower maintenance costs due to predictable protection behavior. The device carries a defined warranty policy (one year from installation or eighteen months from shipment), aiding lifecycle budgeting and procurement planning.