Eaton EMR-3MP0-2A0TB1 Motor Relay - IRIG-B URTD Interface
Part Number: EMR-3MP0-2A0TB1
Quick Summary
Eaton motor relay EMR-3MP0-2A0TB1 provides motor protection and remote switching for industrial automation. Engineers often struggle to find a compact relay that offers robust Ethernet and RS-485 communications alongside reliable motor protection. While formal compliances should be confirmed with the manufacturer, common certifications such as CE for European compliance, IP ratings for enclosure protection, and SIL considerations are typically evaluated in safety-critical deployments. This device is designed to integrate with modern control architectures, supporting IRIG-B URTD interfaces and Ethernet-based standards. By combining diverse communication options with protection functionality, it enables scalable, maintainable motor control within manufacturing and power distribution environments.
Product Information
Extended Description
EMR-3MP0-2A0TB1 Eaton: Eaton, motor relay, 5A, 1A, Motor,over RS-485, over Ethernet RJ-45, over Ethernet RJ-45, Conformal Coated Circuit Boards, 19-300Vdc, 40-250Vac, 50/60 Hz, Projection, IRIG-B,URTD Interface
Product Name
Eaton motor relay
Catalog Number
EMR-3MP0-2A0TB1
UPC
786689222680
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, 1A
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
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
EMR-3MP0 motor protection relay instruction book
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Eaton Specification Sheet - EMR-3MP0-2A0TB1
Feature: IRIG-B URTD Interface and Ethernet/RS-485 communications. Business Impact: Enables precise time synchronization and multi-protocol integration with PLCs and SCADA, reducing wiring complexity and improving diagnostic visibility. Application: Suitable for distributed motor protection schemes where timing and remote monitoring are critical. Feature: 5A, 1A phase current rating with 4 digital inputs and 4 digital outputs plus 1 analog output. Business Impact: Supports granular I/O for interlocking, status signaling, and motor status feedback, cutting panel wiring and increasing control fidelity. Application: Ideal for decentralized protection in machine centers and packaging lines. Feature: 19-300 VDC and 40-250 VAC operating ranges. Business Impact: Broad supply compatibility lowers the risk of voltage mismatches during upgrades or asset migration. Application: Useful in mixed-voltage control cabinets and retrofits. Feature: Conformal-coated circuit boards and projection mounting. Business Impact: Improves reliability in harsh environments and simplifies panel installation with secure, space-efficient mounting. Application: Advantageous in wash-down areas, dusty facilities, or outdoor enclosures. Feature: Modbus/DNP3 RTU over RS-485 and Modbus/DNP3 TCP over Ethernet RJ-45. Business Impact: Facilitates seamless integration with common industrial protocols, accelerating commissioning and enabling remote diagnostics. Application: Compatible with a wide range of industrial controllers and SCADA systems. Feature: Sensing inputs for Current Protection and Metering. Business Impact: Improves protection accuracy and energy monitoring for proactive maintenance and fault resolution. Application: Essential for motor efficiency programs and utility-compliant metering in automation projects.
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FAQs
EMR-3MP0-2A0TB1 supports RS-485 Modbus/DNP3 RTU and Ethernet Modbus/DNP3 TCP, plus IEC 61850 over Ethernet, enabling straightforward integration with popular PLCs and SCADA systems. The projection mounting and conformal-coated PCB simplify installation in harsh environments, while 4 digital inputs and 4 digital outputs provide flexible I/O without excessive cabinet wiring.
The relay is rated for 5A and 1A phase current, with 4 digital inputs, 4 digital outputs, and 1 analog output. It operates across 19–300 VDC and 40–250 VAC, at 50/60 Hz. These specs support versatile motor protection and monitoring, while multi-protocol communication enables reliable data exchange with control systems.
Yes, the EMR-3MP0-2A0TB1 uses conformal-coated circuit boards and a projection mounting method, delivering enhanced reliability in challenging environments. Combined with Ethernet/RS-485 connectivity, it supports remote diagnostics and protective relaying in exposed or wash-down areas common to manufacturing facilities.
The product lists Compliances as Contact Manufacturer, so exact certifications should be confirmed with Eaton. In typical deployments, engineers verify CE, IP ratings, and SIL-related considerations with the supplier or via product documentation and regulatory claims in the Eaton specification sheets and datasheets.
By integrating protection, control, and communication in a single device, it reduces wiring, panel space, and hardware diversity. Real-time diagnostics via Modbus/DNP3 and IRIG-B URTD interface enable proactive maintenance, minimizing downtime and extending asset life, delivering faster ROI in automated motor systems.