Eaton EMR-5000-2B1CB1 Motor Relay - Modbus TCP/IRIG-B
Part Number: EMR-5000-2B1CB1
Quick Summary
Eaton motor relay EMR-5000-2B1CB1 provides comprehensive motor protection and monitoring for industrial drives and motor control panels. Engineers often confront wiring complexity, remote diagnostics gaps, and protection coordination challenges across motor banks. This model enables Ethernet-based communication via Modbus TCP or DNP3 TCP/UDP over RJ-45, with 8 digital inputs, 9 digital outputs, 2 analog inputs, 2 analog outputs, and a removable terminal design that simplifies installation. While exact compliance certifications should be confirmed with Eaton, the unit supports 50/60 Hz operation, voltages from 19–300 Vdc and 40–250 Vac, and a projection mounting scheme compatible with the EMR-4000 base. The result is scalable protection, reduced downtime, and better asset visibility for mid- to large-scale motor systems.
Product Information
Extended Description
EMR-5000-2B1CB1 Eaton: Eaton, motor relay, EMR-4000, 19-300 Vdc, 40-250 Vac, Motor protection relay,5A, 1A, 8, 9, Removable, Motor, over Ethernet RJ-45,19-300Vdc, 40-250Vac, 50/60 Hz, Projection,Differential Protection, Sensitive Ground Input,
Product Name
Eaton motor relay
Catalog Number
EMR-5000-2B1CB1
UPC
786679159231
Product Length/Depth
8.06 in
Product Height
8.7 in
Product Width
9.72 in
Product Weight
9.259 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
Application
Motor
Type
Motor relay
Product Category
Motor protection relay
Base relay
EMR-4000
Analog inputs
2
Communication
Modbus TCP or DNP3 TCP/UDP over Ethernet RJ45
Phase current
5A, 1A
Analog outputs
2
Digital inputs
8
Digital outputs
9
I/O options
URTD Interface Sensitive Ground Input IRIG-B
Modbus / DNP3 RTU
over Ethernet RJ-45
Sensing inputs
Differential Protection Voltage Protection and Metering Power Protection and Metering Current Protection and Metering
Zone selective interlocking
1
Frequency rating
50/60 Hz
Mounting method
Projection
Terminals
Removable
Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E
Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E
Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E
Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E
Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E
Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E
Eaton Specification Sheet - EMR-5000-2B1CB1
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: The EMR-5000-2B1CB1 integrates eight digital inputs, nine digital outputs, two analog inputs, and two analog outputs, enabling comprehensive protection logic and status signaling for complex motor assemblies. This rich I/O count translates to faster diagnostics, tighter protection coordination, and streamlined wiring in motor control panels used in manufacturing lines and pumping stations. Application-wise, it supports scalable protection schemes across multiple drives while reducing cabinet complexity and wiring errors. Feature → Business Impact → Application: Built-in Modbus TCP or DNP3 TCP/UDP over Ethernet RJ-45 provides seamless integration with plant SCADA, historians, and automation networks, improving remote monitoring and condition-based maintenance. Application: suitable for modernized motor fleets in conveyors, robotics, and process automation. Feature → Business Impact → Application: Compatibility with the EMR-4000 base and removable terminals simplifies retrofits and expansion projects, reducing installation time and enabling quick field wiring changes. Application: retrofit projects and modular upgrade programs. Feature → Business Impact → Application: 50/60 Hz operation with 19–300 Vdc and 40–250 Vac ratings supports diverse industrial power environments, ensuring reliable protection across equipment and geographic regions. Application: global manufacturing facilities and energy-intensive applications. Feature → Business Impact → Application: URTD interface, IRIG-B, differential protection, and metering options provide precise sensing and synchronization, improving selective trip performance and grid compatibility. Application: critical motor protection in high-availability systems and data-center mechanical rooms. Feature → Business Impact → Application: Removable terminals and projection mounting enable faster assembly, easier maintenance, and reduced commissioning time in large electrical rooms and control cabinets.
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FAQs
When installing the EMR-5000-2B1CB1, plan for projection mounting and removable terminals to simplify wiring and future upgrades. Ensure compatibility with the EMR-4000 base and verify power supplies within the 19–300 Vdc and 40–250 Vac range. Cabling should support 50/60 Hz operation and Ethernet connectivity for Modbus TCP or DNP3 communications.
The device provides 8 digital inputs, 9 digital outputs, 2 analog inputs, and 2 analog outputs. It supports voltages from 19 to 300 Vdc and 40 to 250 Vac with a 50/60 Hz frequency rating, and it carries current ratings of 5 A and 1 A for sensing and control circuits.
Yes, the EMR-5000-2B1CB1 supports Modbus TCP or DNP3 TCP/UDP over Ethernet RJ-45. Wiring uses standard Ethernet cabling to connect to the control network or SCADA, enabling remote monitoring, metering data, and coordinated protection across motor drives.
This relay is well-suited for motor protection in industrial drives, motor control panels, conveyors, pumps, and process automation. Its extensive I/O, differential protection, metering capabilities, and zone selective interlocking support reliable protection coordination and reduced downtime in medium to large motor networks.
Warranty follows Eaton Selling Policy 25-000: one year from installation or 18 months from shipment, whichever occurs first. Regular maintenance should focus on verifying connections, updating firmware as released, and validating protection thresholds during scheduled downtime to ensure continuous reliable operation.