Eaton EBR-3Z-2B0CB0-B Bus Differential Relay - High Z
Part Number: EBR-3Z-2B0CB0-B
Quick Summary
The Eaton Bus differential relay provides fast protection by detecting current imbalances on busbars in switchgear and substations. Engineers seeking reliable fault isolation often face nuisance trips and slow diagnostics when protection modules share a common bezel. Certification details should be verified with Eaton; typical buyers look for CE, IP and SIL readiness in global deployments. With high-impedance protection, MODBUS/DNP3 communications, and a conformal coating, the EBR-3Z-2B0CB0-B enables scalable protection while reducing maintenance and downtime. Its standard mounting and 10.4 kJ energy capability support easy retrofits and dependable performance across demanding industrial environments.
Product Information
Extended Description
EBR-3Z-2B0CB0-B Eaton: Eaton, Bus differential relay , 3000 High Impedance Bus Differential Relay and EBR-Z High Impedance Module in common bezel, MODBUS/DNP3 (RJ45), Conformal Coating, Standard Mount, 10.4kJ
Product Name
Eaton Bus differential relay
Catalog Number
EBR-3Z-2B0CB0-B
UPC
786679194591
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 detects minute current imbalances quickly. Business Impact: Reduces fault duration and minimizes unnecessary trips, protecting transformers and feeders while lowering maintenance costs. Application: Ideal for medium to large switchgear assemblies and substations where rapid fault isolation is critical. Feature: Common bezel with EBR-Z module and modular design. Business Impact: Simplifies installation, testing, and future expansion, cutting commissioning time and easing field service. Application: Retrofit projects and new builds requiring scalable protection with straightforward bezel integration. Feature: MODBUS/DNP3 (RJ45) communications. Business Impact: Enables seamless integration with SCADA, improving remote monitoring and diagnostics, reducing on-site checks. Application: Industrial control networks and substations demanding reliable digital communication. Feature: Conformal coating for harsh environments. Business Impact: Enhances reliability in damp, dusty, or chemically aggressive settings, reducing failure rates and maintenance cycles. Application: Outdoor substations, harsh industrial floors, and corrosive environments. Feature: Standard mounting and compact footprint (7.49 in L × 8.62 in H × 13.64 in W). Business Impact: Eases field installation and cross-compatibility with existing racking and panel layouts, cutting install time. Application: New installations and upgrades where space planning is a constraint. Feature: Burden 10 W / 17 VA and 5 A contact rating. Business Impact: Predictable power draw and reliable contact performance support precise protection coordination, lowering the risk of misoperation. Application: Protective schemes requiring stable load characteristics and dependable switching.
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FAQs
The EBR-3Z-2B0CB0-B detects current imbalances between incoming and outgoing bus currents to quickly isolate faults, protecting switchgear and reducing downtime. It is designed to work in 50/60 Hz systems and supports high-impedance protection with a standard mounting footprint for straightforward integration.
Yes. The relay includes MODBUS and DNP3 (RJ45) communications, enabling seamless integration with SCADA and remote diagnostics, which improves visibility, reduces on-site visits, and supports faster fault analysis.
The unit uses standard mounting with dimensions of 7.49 in (length) × 8.62 in (height) × 13.64 in (width) and a weight of 12.7 lb, facilitating retrofit and new installations alike. A common bezel design simplifies field wiring and module replacement.
Electrical: 5 A contact rating, burden 10 W / 17 VA, frequency 50/60 Hz. Environmental: operating temperature range from -20°C to 60°C. Conformal coating enhances reliability in challenging environments, making it suitable for industrial and outdoor applications.
Certification specifics should be confirmed with Eaton for your region. Typical buyers evaluate CE, IP ratings, and SIL readiness as part of global deployment plans, ensuring the relay meets local safety and performance standards before integration.