Eaton EMR-3MP0-2A0CB1 Motor Relay - Projection Mount

Part Number: EMR-3MP0-2A0CB1
Manufacturer
Eaton
Part number
EMR-3MP0-2A0CB1

Quick Summary

Eaton EMR-3MP0-2A0CB1 motor relay delivers reliable motor control in industrial drive systems. Engineers often struggle to integrate protection, communication, and I/O into a single compact relay. Critical certifications commonly required in automation include SIL, CE and IP ratings, though exact approvals should be verified with Eaton's datasheet. With Modbus TCP and DNP3 TCP/UDP over Ethernet, this device supports modern control architectures, enabling faster commissioning and lower lifecycle costs.

Product Information

Extended Description

EMR-3MP0-2A0CB1 Eaton: Eaton, motor relay, EMR-3MP0-2, current only motor relay, 4I, 4O, 1AO ,IRIG-B, 5/1A PH and GND, Modbus TCP or DNP3 TCP/UDP over Ethernet RJ45, Conf. coat, Projection mount, 19-300Vdc, 40-250V
Product Name
Eaton motor relay
Catalog Number
EMR-3MP0-2A0CB1
UPC
786689222659
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, 1A
Analog outputs
1
Digital inputs
4
Digital outputs
4
I/O options
IRIG-B URTD Interface
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
Feature: Ethernet communication with Modbus TCP or DNP3 TCP/UDP enables seamless integration into PLC/SCADA networks. Business impact: reduces wiring complexity, accelerates diagnostic access, and enables remote monitoring for predictive maintenance. Application: ideal for motor control in packaging lines, conveyors, and processing equipment. Feature: Four digital inputs and four digital outputs plus one analog output provide flexible, on-device sequencing and status feedback. Business impact: supports local interlocks and start/stop logic without additional hardware, reducing panel space and wiring. Application: motor protection schemes with integrated I/O forOEM drives and retrofit projects. Feature: IRIG-B URTD interface supports precise time synchronization across remote stations. Business impact: enhances interlocking coordination and data integrity in power distribution and critical process lines. Application: data-rich safety systems and synchronized automation networks. Feature: Wide operating voltage from 19-300 VDC and 40-250 VAC minimizes inventory needs. Business impact: simplifies procurement and spare parts management while expanding applicability. Application: mixed-voltage motor installations across facilities. Feature: Projection mounting and a compact footprint streamline panel installation. Business impact: faster field installation and lower installation cost with reduced panel depth. Application: retrofit projects and OEM assemblies where space is at a premium. Feature: Current protection and metering sensing inputs enable proactive motor protection. Business impact: reduces unplanned downtime and extends motor life through early fault detection. Application: critical motors in processing lines and material handling systems.

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FAQs

Begin by verifying the relay's projection mounting compatibility with your control panel and ensuring proper clearances for mounting. Wire the 4 digital inputs and 4 digital outputs to your PLC or safety controller according to the EMR-3MP0 documentation, then configure the Modbus TCP or DNP3 TCP/UDP network settings over Ethernet RJ-45. Use the IRIG-B interface if you require precise timing. Finally, test motor protection functions with the current protection and metering features to confirm proper operation before commissioning.
The device supports a wide operating range of 19-300 VDC and 40-250 VAC, 50/60 Hz, with 5 A phase current and 1 A options. It includes 4 digital inputs, 4 digital outputs, and 1 analog output, plus an IRIG-B/URTD interface and Modbus/DNP3 Ethernet connectivity. This combination enables flexible motor protection, remote diagnostics, and integration into modern control architectures while supporting compact panel designs.
Yes. The EMR-3MP0-2A0CB1 is designed for Ethernet communication with Modbus TCP or DNP3 TCP/UDP, enabling direct PLC/SCADA integration. This supports centralized monitoring, remote fault reporting, and streamlined commissioning across multi-vendor automation environments, making it suitable for large-scale motor control applications and edge devices in industrial facilities.
Compliances are listed as 'Contact Manufacturer' for this Eaton model, so exact certifications (for example SIL, CE, IP ratings) should be confirmed with Eaton's datasheet or technical support. When specifying for a project, verify regional regulatory requirements and request the official certification documentation to ensure conformity for your installation environment.
The EMR-3MP0-2A0CB1 consolidates motor protection, control I/O, and industrial communications in a single device, reducing panel space and wiring while enabling faster commissioning. Its wide voltage range simplifies spare-part inventories, IRIG-B timing improves synchronization in power networks, and Modbus/DNP3 connectivity supports predictive maintenance and reduced downtime across manufacturing lines.