Eaton EMR-3MP0-2A0IB1-1 Motor Relay - IRIG-B Interface

Part Number: EMR-3MP0-2A0IB1-1
Manufacturer
Eaton
Part number
EMR-3MP0-2A0IB1-1

Quick Summary

Eaton motor relay EMR-3MP0-2A0IB1-1 provides robust motor protection for industrial drives and control panels. Users often struggle with integrating remote diagnostics, flexible I/O, and compact panel space without compromising safety. Common industry references for EMR products include CE compliance, SIL-capable control, and IP-rated enclosures when specifications support them. These capabilities translate into faster approvals, easier integration with Modbus TCP or RS-485 networks, and safer operation. In practice, this combination reduces commissioning time, minimizes wiring errors, and supports scalable automation architectures. For engineering teams, the EMR-3MP0-2A0IB1-1 family integrates with PowerPort-E settings and current protection workflows to deliver reliable, observable performance. This makes it a practical choice for OEMs and end users seeking predictable results and faster ROI.

Product Information

Extended Description

EMR-3MP0-2A0IB1-1 Eaton: Eaton, EMR-3MP0-2, current only motor relay, 4I, 4O, 1AO , IRIG-B, 5/1A PH and GND, Modbus RTU or DNP3 RTU over RS485 or Modbus TCP or DNP3 TCP/UDP over Ethernet RJ45, Conf. coat, Projection mount, with MP Term Conv
Product Name
Eaton motor relay
Catalog Number
EMR-3MP0-2A0IB1-1
UPC
786689239473
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 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
Flexible communications enable EMR-3MP0-2A0IB1-1 to act as a hub for motor control, reducing wiring complexity and accelerating commissioning in multi-vendor environments. It supports Modbus RTU or DNP3 RTU over RS-485 and Modbus TCP or DNP3 TCP/UDP over Ethernet RJ45, ensuring seamless integration with existing SCADA, energy management, and remote monitoring systems. With four digital inputs, four digital outputs, and one analog output, this device consolidates motor signaling, protection control, and measurement in a single compact unit, lowering panel density, wiring costs, and fault-finding time. The IRIG-B timing interface enables precise synchronization for coordinated protection schemes, essential for event correlation in robust monitoring deployments. Interoperability is strengthened by standard Modbus RTU over RS-485, Modbus TCP over Ethernet, and DNP3 RTU/TCP, allowing mix-and-match networks without re-architecting control layers. Projection mounting and MP Term Conv support simplify installation, alignment, and maintenance in space-constrained cabinets, while 50/60 Hz operation and integrated current protection and metering improve real-time visibility and protection reliability for motors in demanding environments. Together, these features support improved uptime, safer operation, and lower lifecycle costs across OEM and end-user sites.

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FAQs

Begin with the projection mounting option and MP Term Conv compatibility to align the relay within the enclosure. Connect digital inputs and outputs to the respective control signals, wire RS-485 for Modbus RTU or DNP3 RTU, and terminate the Ethernet RJ45 port for Modbus TCP or DNP3 TCP/UDP as required. Verify mechanical clearance and cable routing to maximize airflow and minimize heat buildup before powering up.
The EMR-3MP0-2A0IB1-1 supports Modbus RTU or DNP3 RTU over RS-485 and Modbus TCP or DNP3 TCP/UDP over Ethernet, enabling integration with most SCADA, HMI, and process control networks. IRIG-B timing interface is available for precise time synchronization in utility-scale or mission-critical installations.
Yes. The device operates at 50/60 Hz and includes current protection and metering inputs, along with 4 digital inputs, 4 digital outputs, and 1 analog output to support monitoring, signaling, and protection tasks in motor drive applications. This enables accurate fault detection and power usage insights without adding extra hardware.
The unit measures approximately 8.06 in length, 8.62 in height, and 6.82 in width, with a projection mounting method. This footprint facilitates installation in standard control cabinets and supports compact, scalable layouts. Ensure adequate space for heat dissipation and easy access to the RS-485 and Ethernet connections for servicing.
Official resources include the Eaton specification sheet EMR-3MP0-2A0IB1-1, motor protection relay instruction book, and installation sheets such as MP-3000 to EMR-3MP0 settings. Access it via Eaton’s downloads section to obtain datasheets, installation instructions, and wiring diagrams for proper configuration and maintenance.