Eaton EMR-3MP0-2A9TB1 Motor Relay - IEC 61850 over Ethernet
Part Number: EMR-3MP0-2A9TB1
Quick Summary
The Eaton EMR-3MP0-2A9TB1 motor relay protects and controls motors in industrial automation networks. Integrating protection, signaling, and communication in a single device reduces wiring errors and speeds commissioning across multiple drives. Compliance and standards include IEC 61850 over Ethernet RJ-45 and support for Modbus or DNP3 via RS-485; for other certifications, consult Eaton to confirm approvals. This model minimizes panel wiring and enables remote diagnostics, delivering faster deployment and lower total cost of ownership.
Product Information
Extended Description
EMR-3MP0-2A9TB1 Eaton: Eaton, motor relay, EMR-3MP0-2, current only motor relay, 4I, 4O, 1AO ,IRIG-B, IEC61850 or Modbus TCP or DNP3 TCP/UDP over Ethernet RJ45, Conf. coat, Projection mount, 19-300Vdc, 40-250V, 5A PH and GND
Product Name
Eaton motor relay
Catalog Number
EMR-3MP0-2A9TB1
UPC
786689222635
Product Length/Depth
9.06 in
Product Height
9.62 in
Product Width
7.82 in
Product Weight
6.82 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
IEC 61850
over Ethernet RJ-45
Modbus / DNP3 RTU
over RS-485
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
EMR-3MP0 motor protection relay instruction book
Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E
Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E
Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E
Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E
Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E
Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E
Eaton Specification Sheet - EMR-3MP0-2A9TB1
Feature: 4 digital inputs, 4 digital outputs, and 1 analog output; 5A phase current. Business Impact: Enables compact, integrated motor control with protective interlocks, reducing external PLC I/O and wiring complexity. Application: Ideal for panel-level motor protection in line start/stop applications. Feature: Current protection and metering via sensing inputs. Business Impact: Real-time fault detection and energy monitoring support proactive maintenance and reduced downtime. Application: Industrial motors with energy-management goals. Feature: IEC 61850 over Ethernet RJ-45; Modbus / DNP3 over RS-485; IRIG-B timing interface. Business Impact: Seamless integration with plant-wide control systems and SCADA, accelerating data exchange and interoperability. Application: Substation and factory automation networks. Feature: Wide input voltage range 19-300 Vdc and 40-250 Vac. Business Impact: Broad power compatibility simplifies retrofits and reduces power-supply spares. Application: Variable-speed drives and mixed-voltage motor setups. Feature: Projection mounting and compact form factor. Business Impact: Easy panel installation, reduced control panel footprint, and straightforward maintenance. Application: OEM machines and retrofit projects where space is at a premium. Feature: PowerPort-E compatibility and rich documentation package. Business Impact: Faster configuration, easier troubleshooting, and validated setup workflows. Application: Engineers accelerating commissioning across multiple facilities.
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FAQs
For panel installations, the EMR-3MP0-2A9TB1 uses projection mounting and a compact footprint to minimize enclosure space. Plan for adequate ventilation, allow sufficient clearance for cabling and maintenance, and verify panel cutouts align with the unit’s 9.06 in depth, 9.62 in height, and 7.82 in width. Utilize the PowerPort-E setup workflow to streamline commissioning and ensure proper Ethernet and RS-485 wiring for IEC 61850 and Modbus/DNP3 communication paths.
Yes. The EMR-3MP0-2A9TB1 provides IEC 61850 communication over Ethernet RJ-45, and supports Modbus or DNP3 protocols via RS-485. This enables seamless integration with modern substation and plant-floor control systems, enabling centralized monitoring, protection signaling, and remote control. Ensure control room software and device config align with the PowerPort-E environment for best results.
The unit includes four digital inputs, four digital outputs, and one analog output, with a phase current rating of 5A. It supports a wide input range of 19-300 VDC and 40-250 VAC, providing flexibility for mixed-power environments. This combination allows standalone motor protection logic or integration with PLCs and SCADA without excessive external hardware.
A comprehensive set of resources is available, including the EMR-3MP0 motor protection relay instruction book, the specification sheet, and PowerPort-E configuration assets. Users can access multiple downloads such as application notes, templates, and the technical data pack to support installation, programming, and troubleshooting. The materials are designed to accelerate commissioning and ensure correct network integration.
The EMR-3MP0-2A9TB1 consolidates protection, signaling, and communications in a single device, reducing wiring complexity and panel space. Its IEC 61850, IRIG-B, and RS-485 interfaces enable fast integration with SCADA and automation systems, while remote diagnostics and PowerPort-E compatibility shorten commissioning cycles and lower total cost of ownership. This translates to higher uptime, easier maintenance, and more predictable protection performance.