Eaton EBR-3Z-2B0LB0-B Bus differential relay - Hi-Z
Part Number: EBR-3Z-2B0LB0-B
Quick Summary
Eaton Bus differential relay provides fast, high-impedance protection for shared bus applications in electrical distribution. This design helps prevent nuisance trips by accurately detecting internal faults, addressing a common challenge in multi-user substations. Certification details such as SIL, CE, and IP ratings are provided by the manufacturer and should be confirmed for your region and project scope. The device ships with conformal coating and MODBUS/DNP3 communication options, enabling seamless integration into modern SCADA and protection schemes. With standard mounting and a 10.4 kJ energy rating, this relay supports reliable, scalable protection that reduces downtime and supports lifecycle cost savings for the plant.
Product Information
Extended Description
EBR-3Z-2B0LB0-B Eaton: Eaton, Bus differential relay , 3000 High Impedance Bus Differential Relay and EBR-Z High Impedance Module in common bezel, MODBUS/DNP3 (FO LC), Conformal Coating, Standard Mount, 10.4kJ
Product Name
Eaton Bus differential relay
Catalog Number
EBR-3Z-2B0LB0-B
UPC
786679195949
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 protection for shared buses. Business Impact: Improves selectivity and reduces nuisance trips, lowering unplanned outages. Application: Suitable for medium-to-large electrical distribution layouts where multiple users share a bus. The result is safer operations with fewer disturbances. Feature: Common bezel with EBR-Z High Impedance Module. Business Impact: Simplified retrofits and easier panel upgrades, lowering installation time and labor costs. Application: Retrofit projects in existing switchgear without major panel modifications. Feature: MODBUS/DNP3 (FO LC) communication. Business Impact: Enables seamless integration into modern SCADA and protection schemes, improving visibility and control. Application: Plant-wide protection architectures requiring remote monitoring and coordination. Feature: Conformal coating. Business Impact: Enhances reliability in humid or dusty environments, reducing maintenance frequency. Application: Harsh environments, outdoors, or industrial facilities with exposure to contaminants. Feature: 5 A contact rating and 10 W / 17 VA burden. Business Impact: Low-power signaling improves system efficiency and reduces wiring complexity. Application: Control circuits and signaling paths in protection schemes, with compatibility for standard 50/60 Hz networks. Feature: Standard mounting and robust dimensions. Business Impact: Easier installation and consistency across panels, accelerating projects and minimizing field errors. Application: New builds and upgrades in panel assemblies with common mounting practices.
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FAQs
This model is designed for shared bus protection in electrical distribution, including substations and switchgear. It features a standard mounting arrangement and a common bezel with the EBR-Z High-Impedance Module, enabling straightforward integration into existing panels and minimizing retrofit complexity.
Key specs include a 50/60 Hz frequency rating, 5 A contact rating (AC/DC), a 10 W / 17 VA burden, and an operating temperature range of -20 to 60°C. Dimensions are 7.49 in L x 8.62 in H x 13.64 in W, with a weight of 12.7 lb, facilitating standard panel installation.
Yes. The EBR-3Z-2B0LB0-B supports MODBUS/DNP3 (FO LC) communications, allowing easy integration into plant-wide protection schemes and SCADA systems for real-time monitoring and coordinated tripping logic.
Certification specifics are provided by the manufacturer; the product notes indicate compliances are available upon request. Confirm SIL, CE, IP ratings, and region-specific standards with Eaton prior to qualification or procurement.
Conformal coating and robust construction reduce environmental stress and maintenance needs, while high-impedance protection minimizes nuisance trips. The 10.4 kJ energy rating supports reliable fault clearing, contributing to improved uptime and lower lifecycle costs in protective bus systems.