Eaton EBR-3Z-2B0IB1-B Bus Differential Relay - High Impedance
Part Number: EBR-3Z-2B0IB1-B
Quick Summary
Eaton Bus differential relay EBR-3Z-2B0IB1-B delivers fast, high-impedance protection for power bus systems in switchgear assemblies. Operators often struggle with nuisance trips and miscoordination during transient faults, risking uptime and increasing maintenance costs. Certifications like CE, SIL, and IP ratings are available upon request, depending on installation and configuration. With MODBUS/DNP3 communications (RS485 or RJ45) and a Conformal Coating, the unit integrates quickly with SCADA and enhances overall protection strategy. For procurement teams, the product’s physical footprint and projection mounting simplify retrofits in legacy switchgear, reducing project risk. The integrated 50/60 Hz operation and 5 A contact rating ensure reliable protection without rewriting control logic.
Product Information
Extended Description
EBR-3Z-2B0IB1-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), Conformal Coating, Projection Mount, 10.4kJ
Product Name
Eaton Bus differential relay
Catalog Number
EBR-3Z-2B0IB1-B
UPC
786679195611
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 bus differential protection with robust energy handling, including conformal coating and a common bezel with EBR-Z High Impedance Module. Business Impact: Improves selectivity, reduces nuisance trips, and limits fault energy exposure, contributing to safer operation and lower maintenance costs. Application: Protects bus sections in switchgear installations operating at 50/60 Hz. Paragraph two explains how this feature translates to reduced arc energy and safer maintenance windows. Feature: MODBUS/DNP3 communications via RS485 or RJ45. Business Impact: Enables remote monitoring, faster diagnostics, and simplified SCADA integration, lowering field testing needs. Application: Controls and protection schemes in plant-wide automation networks. Feature: Projection panel mounting and rugged construction with conformal coating. Business Impact: Eases retrofits and increases reliability in harsh environments, reducing downtime and service calls. Application: New builds and retrofits in industrial facilities with demanding environments. Feature: Compatibility with EBR-Z High Impedance Module in common bezel. Business Impact: Supports scalable protection across multiple bus sections with minimal wiring and fast installation. Application: Modular protection schemes for multi-bay switchgear. Feature: Electrical ratings including 5 A contact, 50/60 Hz operation, -20 to 60 °C range, and burden of 10 W / 17 VA. Business Impact: Ensures compatibility with standard control circuits and predictable power draws, simplifying panel design. Application: Equipment protection in distribution panels and switchgear. Warranty and service considerations: One-year warranty from installation or eighteen months from shipment, whichever occurs first, helping manage lifecycle costs and support.
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FAQs
The unit features projection panel mounting designed to fit a common bezel with the EBR-Z High Impedance Module. It supports 50/60 Hz operation, a -20 to 60 °C ambient range, and a 5 A contact rating. Plan for the 13.64 in width, 8.62 in height, and 7.49 in depth footprint, as well as a 10 W / 17 VA burden in the panel design.
The EBR-3Z-2B0IB1-B provides selective protection by detecting internal faults on the bus with high impedance, limiting fault energy and reducing the likelihood of unnecessary tripping. The device is designed to handle up to 10.4 kJ energy levels, enabling reliable operation in demanding switchgear environments.
Yes. The relay is designed to be used in conjunction with the EBR-Z High Impedance Module within a common bezel, enabling modular protection across multiple bus sections and simplifying installation in retrofit projects.
The unit supports MODBUS/DNP3 communications over RS485 or RJ45, enabling seamless integration with SCADA, remote diagnostics, and centralized protection monitoring without extensive field wiring.
The product comes with a one-year warranty from installation or eighteen months from shipment, whichever occurs first. This provides procurement teams with predictable support terms and helps manage lifecycle cost during planning and maintenance cycles.