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

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

Quick Summary

The Eaton motor relay EMR-3MP0-2A0IB1 provides advanced motor protection and remote control for industrial drives across demanding manufacturing lines and process systems. Users often face integration headaches when multiple communication protocols collide, while harsh environments stress reliability and uptime. Certifications and approvals are region-specific, so confirm CE, UL and IP-related ratings directly with Eaton to match your facility requirements. The EMR-3MP0-2A0IB1 integrates Modbus RTU and DNP3 RTU/TCP over RS-485 and Ethernet, plus IRIG-B I/O, reducing wiring and configuration time. This combination supports faster commissioning, tighter zone protection, and lower total cost of ownership through improved visibility and remote diagnostics. Manufacturers in energy, water, and heavy industry benefit from scalable hardware and software options to fit future expansion.

Product Information

Extended Description

EMR-3MP0-2A0IB1 Eaton: Eaton, motor relay, EMR-3MP0-2, current only motor relay, 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, 19-300Vdc, 40-250V, 4I
Product Name
Eaton motor relay
Catalog Number
EMR-3MP0-2A0IB1
UPC
786689222673
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
Feature: Multi‑protocol communication (Modbus RTU/TCP, DNP3 RTU/TCP, IRIG‑B I/O) → Business impact: Streamlines integration and reduces engineering time by providing a single relay that communicates with common SCADA and control networks → Application: Ideal for plants with mixed control architectures, enabling quick commissioning and centralized monitoring. Feature: Robust protection for motors with current protection and metering capabilities → Business impact: Improves uptime and safety while enabling accurate energy use measurement for cost allocation → Application: Suitable for motors in conveyors, pumps, and fans where monitoring load and protecting equipment matter. Feature: Wide input voltage range (19–300 Vdc; 40–250 V) → Business impact: Enables operation across global sites with varying power standards without multiple part numbers → Application: Global manufacturing deployments and cross-site projects benefit from reduced stocking. Feature: Flexible I/O and mounting options (4 digital inputs, 4 digital outputs, 1 analog output, projection mount) → Business impact: Simplifies panel integration and wiring complexity, accelerating installation → Application: Retrofit projects and new builds in control cabinets. Feature: Compact form factor with clear platform integration (8.06 in L × 8.62 in H × 6.82 in W; 5.82 lb) → Business impact: Saves panel space and supports easier replacement in legacy systems → Application: Substations, machine rooms, and process lines with tight space constraints. Feature: Comprehensive documentation and support (PowerPort-E related resources, technical data, instruction book) → Business impact: Reduces learning curve and speeds deployment while ensuring ongoing reliability → Application: Engineering teams benefit from ready access to installation guides, software, and specifications.

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FAQs

Begin by verifying voltage supply within 19-300 Vdc. Connect RS-485 lines to the Modbus RTU terminals, assign device address, and configure baud rate per your SCADA system. Use the projection mounting for secure panel fitment, then test communication with a simple read/write register set to ensure proper integration.
The relay supports Modbus RTU over RS-485, Modbus TCP over Ethernet RJ45, and DNP3 RTU/TCP over RS-485 or Ethernet. It also provides IRIG-B I/O for precise time synchronization, enabling seamless integration with standard industrial networks and timing-critical applications.
Yes. With 4 digital inputs, 4 digital outputs, and 1 analog output, plus current protection and metering, it enables proactive motor protection and monitoring. Its wide voltage window and multi‑protocol support reduce downtime during integration and expansion, supporting reliable operation in demanding production environments.
Certification details are region-specific. The manufacturer notes that compliances require confirmation; plan to verify CE, UL, and IP ratings with Eaton based on your facility location and regulatory requirements.
Eaton offers a range of downloads including application notes, brochures, an instruction book, firmware/setup resources, and a specification sheet. These materials support planning, installation, programming, and ongoing maintenance, helping maximize system uptime and ROI.