Eaton EMR-3MP0-2A9HB1-1 Motor Relay - IEC 61850

Part Number: EMR-3MP0-2A9HB1-1
Manufacturer
Eaton
Part number
EMR-3MP0-2A9HB1-1

Quick Summary

Eaton motor relay provides current-based protection for motors in industrial drive systems. Many projects stall when protection, monitoring, and network integration compete for limited panel space and time. The EMR-3MP0-2A9HB1-1 supports IEC 61850 over Ethernet, Modbus TCP, and DNP3 TCP, easing substation and factory automation integration. Its projection-mount design, 4 digital inputs, 4 digital outputs, and 1 analog output, plus IRIG-B timing, streamline wiring, commissioning, and diagnostics for reliable motor protection in industrial automation. By combining protection with metering and time synchronization, it delivers faster fault detection and improved asset uptime in modern manufacturing and power systems.

Product Information

Extended Description

EMR-3MP0-2A9HB1-1 Eaton: Eaton, EMR-3MP0-2, current only motor relay, 4I, 4O, 1AO , IRIG-B, 5A PH and GND, Conf. coat, Fixed CT Term, IEC61850 or Modbus TCP or DNP3 TCP/UDP over Ethernet RJ45, Projection mount, with MP Term Conv
Product Name
Eaton motor relay
Catalog Number
EMR-3MP0-2A9HB1-1
UPC
786689239411
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
Analog outputs
1
Digital inputs
4
Digital outputs
4
I/O options
IRIG-B URTD Interface
IEC 61850
over Ethernet RJ-45
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: Current-based protection with sensing capabilities including 5 A phase current monitoring. Business Impact: Reduces motor damage and unplanned downtime by enabling timely trips and accurate fault signaling. Application: Motor protection in 3-phase drives and heavy equipment in manufacturing yards and processing plants. Feature: Flexible I/O configuration with 4 digital inputs, 4 digital outputs, and 1 analog output. Business Impact: Simplifies control panel wiring, lowers installation costs, and supports local signaling without extra PLCs. Application: Compact panel integrations where space is at a premium in automation rooms and control cabinets. Feature: Rich communications stack including IEC 61850 over Ethernet, Modbus TCP, and DNP3 TCP. Business Impact: Accelerates network integration with SCADA and protection schemes, reducing commissioning time and debugging effort. Application: Substation and plant-wide automation networks requiring standard protocols. Feature: IRIG-B time synchronization and URTD/I/O options. Business Impact: Improves event timing and coordination across protection channels, enabling precise fault analysis and reliable time-stamped data. Application: Projects needing synchronized protection relays in power and process environments. Feature: Robust physical design with projection mounting and MP terminal conversion compatibility. Business Impact: Eases installation, decreases mounting footprint, and enables faster field upgrades. Application: Control rooms and retrofit projects where space, weight, and quick swaps matter in industrial settings.

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FAQs

The EMR-3MP0-2A9HB1-1 is designed for projection mounting, enabling a compact footprint in standard enclosure layouts. Begin by verifying rail and backplane compatibility, then secure the unit to the panel using the projection-mount hardware. Connect the MP terminal conversion as needed and route the Ethernet RJ-45 cables for IEC 61850, Modbus TCP, and DNP3 TCP communications. Ensure proper grounding and verify IRIG-B timing input if time synchronization is required. Finally, configure the 4 digital inputs, 4 digital outputs, and 1 analog output through the supplied setup software or engineering workstation to complete commissioning.
Key specs include a 5A phase current rating, 50/60 Hz operation, 4 digital inputs, 4 digital outputs, and 1 analog output. The device supports current-based motor protection with sensing inputs for Current Protection and Metering. It features projection mounting and a compact footprint suitable for panel installations. Communications are provided over Ethernet RJ-45 for IEC 61850, Modbus TCP, and DNP3 TCP. These specs enable reliable protection, monitoring, and integration with modern industrial networks while maintaining a straightforward installation path.
Yes. The EMR-3MP0-2A9HB1-1 provides IEC 61850 over Ethernet RJ-45 as well as Modbus TCP and DNP3 TCP over Ethernet. This makes it compatible with contemporary protection and automation architectures in substations and plant floors. For best results, ensure network configurations align with your SCADA or protection relay architecture, and leverage the device’s time synchronization capability (IRIG-B) where precise event timing is required for fault analysis and inter-relay coordination.
Eaton provides specific installation resources including MP-3000 to EMR-3MP0 installation instructions and a corresponding settings sheet. These assets guide you through compatibility checks, wiring schemes, and configuration steps to ensure a smooth migration. Accessing the installation guide ensures proper MP terminal conversion, correct I/O wiring, and correct network parameter settings for reliable operation in your automation system.
The relay combines motor protection, current metering, and robust network integration in one unit, which reduces wiring needs and simplifies diagnostics. Time synchronization with IRIG-B enables precise event logging, speeding root-cause analysis. The result is lower mean time to repair, fewer false trips, and improved asset uptime, translating to longer equipment life, lower maintenance costs, and higher overall plant productivity in industrial automation environments.