Eaton EMR-3000-2B1BA1 Motor Relay - 5A/RS-485
Part Number: EMR-3000-2B1BA1
Quick Summary
EMR-3000-2B1BA1 motor relay is a robust remote motor control device for industrial automation and motor protection. Engineers often face wiring complexity, integration gaps, and limited remote monitoring when deploying motors across multiple zones. Compliance details vary by configuration, but CE marking, IP-rated protection, and SIL-ready configurations are common considerations to verify with the manufacturer. This combination enables safer, more reliable operation in automation panels while supporting scalable motor networks and reduced field wiring. The device supports Modbus and RS-485 communications for streamlined integration, and is designed for installations where panel space, reliability, and ease of maintenance matter most to drive uptime.
Product Information
Extended Description
EMR-3000-2B1BA1 Eaton: Eaton motor relay, 5A, 1A, Motor, over RS-485, 19-300Vdc, 40-250Vac, 50/60 Hz, Projection, Current Protection and Metering, IRIG-B, URTD Interface, Sensitive Ground Input
Product Name
Eaton motor relay
Catalog Number
EMR-3000-2B1BA1
UPC
786679146088
Product Length/Depth
8.06 in
Product Height
8.62 in
Product Width
6.82 in
Product Weight
5.82 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
Analog inputs
0
Phase current
5A, 1A
Analog outputs
0
Digital inputs
4
Digital outputs
4
I/O options
IRIG-B URTD Interface Sensitive Ground Input
Modbus / DNP3 RTU
over RS-485
Sensing inputs
Current Protection and Metering
Zone selective interlocking
1
Frequency rating
50/60 Hz
Mounting method
Projection
Interfacing with an Eaton E-Series Relay, Step 6: Front Panel Navigation
Interfacing with an Eaton E-Series Relay, Step 6: Front Panel Navigation
Interfacing with an Eaton E-Series Relay, Step 6: Front Panel Navigation
Interfacing with an Eaton E-Series Relay, Step 6: Front Panel Navigation
Interfacing with an Eaton E-Series Relay, Step 6: Front Panel Navigation
Interfacing with an Eaton E-Series Relay, Step 6: Front Panel Navigation
Eaton Specification Sheet - EMR-3000-2B1BA1
Feature → Business Impact → Application: RS-485 Modbus connectivity reduces external controller wiring and simplifies integration across factory networks, enabling centralized monitoring and faster fault isolation in motor drives. This translates to lower installation costs and improved diagnostic speed in automotive and process industries. Feature → Business Impact → Application: 4 digital inputs and 4 digital outputs expand local control logic, reducing the need for extra PLC I/O cards and enabling compact, cost-efficient motor control panels in packaging lines and material handling. Feature → Business Impact → Application: Sensing inputs with current protection and metering provide real-time energy usage and motor health data, improving predictive maintenance programs and energy governance in manufacturing plants. Feature → Business Impact → Application: IRIG-B URTD interface options enable precise time synchronization for coordinated drives and time-stamped data logging in complex drives systems. Feature → Business Impact → Application: Broad voltage compatibility 19–300 Vdc and 40–250 Vac with 50/60 Hz supports multi-supply environments, simplifying procurement and inventory management for OEMs and system integrators. Feature → Business Impact → Application: Projection mounting and compact form factor optimize panel space and ease field installation, delivering faster commissioning and reduced installation risk in retrofits and new installations.
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FAQs
Install the EMR-3000-2B1BA1 using its projection mounting for a tight panel fit. Plan for the 8.06 in length, 8.62 in height, and 6.82 in width to ensure clearance for wiring, connectors, and cooling. Take advantage of the 4 digital I/O and 4 digital outputs to minimize external PLC I/O, reducing cabinet space and wiring complexity while ensuring safe, accessible diagnostics.
RS-485 Modbus provides robust, multi-drop communications for motor relays within industrial networks. It simplifies wiring, enables remote monitoring, and allows centralized control from a single SCADA or PLC, reducing commissioning time and enabling faster fault isolation across motor-driven lines in manufacturing or process environments.
Yes. The EMR-3000-2B1BA1 supports Zone Selective Interlocking (provided by the device’s I/O and control logic) to coordinate protection and sequencing across multiple drives. This improves fault handling, minimizes arc-flash risk, and reduces nuisance tripping in complex motor networks commonly found in large packaging or material-handling facilities.
Verify compliance with your regional requirements by checking CE marking, IP protection level, and SIL-ready configurations with the manufacturer, as these details can vary by configuration. Given the product’s motor control focus, confirm any panel, safety, and environmental standards relevant to your installation and ensure documentation aligns with your procurement and maintenance processes.
Expected ROI comes from reduced wiring and panel space, faster commissioning due to fewer external I/O modules, and improved uptime from integrated protection and metering. With 5A/1A current protection, 4 I/O lines, and RS-485 networking, you gain better diagnostic visibility and optimized energy use, translating to lower maintenance costs and fewer unplanned outages in a mid-sized factory environment.