Eaton EMR-3MP0-2A9IB1-1 Motor Relay - Modbus TCP/IRIG-B
Part Number: EMR-3MP0-2A9IB1-1
Quick Summary
Eaton EMR-3MP0-2A9IB1-1 motor relay provides integrated motor protection for industrial drive systems. Engineers often struggle with remote monitoring, protocol integration, and limited I/O options in compact protection devices. This motor relay combines multi-protocol communication, flexible I/O, and installation versatility to reduce wiring complexity and maintenance costs. Although exact compliance certifications vary by region, typical Eaton motor protection relays align with common industry standards such as CE marking and robust enclosure protection; verify specifics with Eaton for your application. By leveraging PowerPort-E monitoring compatibility and IRIG-B timing, the solution supports proactive asset management, enabling faster diagnostics, reduced downtime, and improved total cost of ownership. This product also aligns with key automation terms like RS-485, Modbus TCP, and 50/60 Hz systems for broader deployment.
Product Information
Extended Description
EMR-3MP0-2A9IB1-1 Eaton: Eaton, EMR-3MP0-2, current only motor relay, 4I, 4O, 1AO , IRIG-B, 5A PH and GND, Modbus RTU or DNP3 RTU over RS485 or Modbus TCP or DNP3 TCP/UDP over Ethernet RJ45, Conf. coat, Fixed CT Term, Projection mount, with MP Term Conv
Product Name
Eaton motor relay
Catalog Number
EMR-3MP0-2A9IB1-1
UPC
786689239428
Product Length/Depth
8.06 in
Product Height
8.62 in
Product Width
6.82 in
Product Weight
5.82 lb
Compliances
Contact Manufacturer
Application
Motor
Type
Motor relay
Analog inputs
0
Phase current
5A
Analog outputs
1
Digital inputs
4
Digital outputs
4
I/O options
IRIG-B URTD Interface
Modbus / DNP3 RTU
over RS-485
Modbus / DNP3 TCP
over Ethernet RJ-45
Sensing inputs
Current Protection and Metering
Zone selective interlocking
0
Frequency rating
50/60 Hz
Mounting method
Projection
PowerPort-E 4.71
PowerPort-E 4.71
EMR-3MP0 control screen template
EMR-3MP0 control screen template
EMR-3MP0 technical data
MP-3000 to EMR-3MP0 Installation Instructions
MP-3000 to EMR-3MP0 Installation Instructions
EMR-3MP0 motor protection relay instruction book
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-3MP0-2A9IB1-1
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Eight-point I/O including 4 digital inputs, 4 digital outputs, and 1 analog output. Business Impact: Enables comprehensive motor status monitoring and control directly at the device level, reducing wiring and simplifying panel design. Application: Suitable for compact motor protection schemes in automation cabinets where space is at a premium. Feature: Modbus RTU over RS-485 and Modbus TCP over Ethernet plus DNP3 options. Business Impact: Delivers protocol flexibility for SCADA and MES integration, improving data visibility and remote diagnostics. Application: Ideal for plants employing PowerPort-E interfaces and varied industrial networks. Feature: IRIG-B interface and MP terminal concepts with projection mounting. Business Impact: Improves time synchronization for coordinated protection or interlocking schemes, while projection mounting simplifies retrofits. Application: Mission-critical motor control in utilities and process industries. Feature: Current protection and metering with 5A phase current rating. Business Impact: Enables accurate motor protection decisions and energy management without extra hardware. Application: Energy-efficient drives and fault-aware operation. Feature: Compatibility with 50/60 Hz electrical systems and fixed CT term options. Business Impact: Ensures reliable operation across global sites with minimal reconfiguration. Application: Global manufacturing networks requiring flexible standards and straightforward installation. Feature: Comprehensive documentation and multiple Eaton downloads including instruction books, installation guides, and technical data. Business Impact: Reduces design risk, accelerates commissioning, and supports maintenance teams with ready reference materials. Application: Engineering teams deploying standardized protection across fleets of motors.
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FAQs
This Eaton motor relay supports projection mounting and fixed CT term configurations. For installation, align the unit with standard mounting footprints, connect the 4 digital inputs and 4 digital outputs as required, and wire the current sensing as specified. Refer to the MP-3000 to EMR-3MP0 installation instructions for step-by-step setup and verification of IRIG-B interfacing and RS-485/ Ethernet communications.
The unit provides 4 digital inputs, 4 digital outputs, and 1 analog output, with a 5A phase current rating. Communications include Modbus RTU over RS-485 and Modbus TCP over Ethernet, plus IRIG-B I/O options for precise timing synchronization, making it suitable for SCADA and DNP3 TCP/UDP deployments.
Yes. The EMR-3MP0-2A9IB1-1 is designed for 50/60 Hz systems and integrates motor protection with metering capabilities. Its flexible I/O and remote communication options make it well-suited for industrial drives, packaging lines, and process automation where reliable protection and monitoring are required.
The product data indicates compliances should be confirmed with the manufacturer. Typical Eaton motor relays align with common industry standards such as CE marking; however, exact certifications can vary by region and model. Check Eaton’s official documentation or contact Eaton support to confirm current certifications for your jurisdiction and application.
PowerPort-E integration enables remote monitoring and diagnostic visibility of motor protection relays, reducing unplanned downtime and speeding maintenance response. With protocol flexibility (RS-485 Modbus RTU, Modbus TCP), you can centralize data, improve preventive maintenance scheduling, and optimize energy usage, delivering tangible ROI over the life of the motor fleet.