Eaton EMR-3000-2A0FA0 Motor Relay - IRIG-B + Modbus RTU
Part Number: EMR-3000-2A0FA0
Quick Summary
EMR-3000-2A0FA0 Motor Relay delivers precise motor control for industrial drives in harsh environments. Engineers often struggle with integrating multiple communication protocols and remote diagnostics within a single enclosure. In practice, buyers look for reliability, fiber-capable communication, and scalable I/O to minimize downtime. This Eaton device supports IRIG-B and Modbus RTU over fiber, with four digital inputs, four digital outputs, and one analog output, helping meet regulatory needs and enable faster commissioning. Compliance considerations typically include CE, SIL, and IP ratings where applicable—verify with Eaton. By combining rugged hardware with flexible protocols, it delivers business value through improved uptime, easier integration, and scalable monitoring.
Product Information
Extended Description
EMR-3000-2A0FA0 Eaton: Eaton, EMR-3000-2, current only motor relay, 4I, 4O, 1AO ,IRIG-B, 5/1A PH and GND, Modbus RTU or DNP3 RTU over Fiber Optic ST, No conf. coat, Semi-flush mount
Product Name
Eaton motor relay
Catalog Number
EMR-3000-2A0FA0
UPC
786679145517
Product Length/Depth
8.06 in
Product Height
8.62 in
Product Width
6.82 in
Product Weight
5.82 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
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 fiber optic ST
Sensing inputs
Current Protection and Metering
Zone selective interlocking
0
Frequency rating
50/60 Hz
Mounting method
Standard
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-3000-2A0FA0
Feature: Flexible I/O and protocol options → Business Impact: Reduces wiring complexity and enables centralized monitoring across multiple drives → Application: Motor protection and metering in distributed control systems. This enables faster commissioning and fewer field wiring errors, essential for plant-wide drives. Feature: Fiber-based communication (Modbus RTU or DNP3 RTU over fiber) → Business Impact: High EMI immunity and longer reach in harsh environments → Application: Remote diagnostics and control in manufacturing floors with minimal interference. Feature: IRIG-B URTD interface → Business Impact: Precise time coordination for synchronized protection schemes → Application: Zone selective interlocking and coordinated motor protection in power plants. Feature: 4 digital inputs, 4 digital outputs, 1 analog output → Business Impact: Flexible logic and fast status reporting → Application: Real-time motor monitoring and metering with scalable I/O. Feature: 50/60 Hz compatibility and standard mounting → Business Impact: Easy integration into existing electrical rooms and equipment lists → Application: Retrofit projects and new builds requiring standard hardware footprints. Feature: Rugged enclosure with semi-flush mount option → Business Impact: Reduced enclosure footprint and simpler installation → Application: Enclosures with limited space in automation cabinets and switchgear rooms.
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FAQs
Installation follows a standard mounting method with semi-flush options and a compact footprint. The unit measures 8.06 in L x 8.62 in H x 6.82 in W and weighs about 5.82 lb, enabling straightforward panel or switchgear integration. Plan for fiber optic connections for Modbus RTU or DNP3 RTU and place I/O close to the controlled motor assets to minimize wiring length.
The relay supports 50/60 Hz operation, with four digital inputs, four digital outputs, and one analog output. Phase current options are 5 A and 1 A. IO includes IRIG-B URTD interface, and communication can be Modbus RTU or DNP3 RTU over fiber optic ST. It is designed for motor protection and metering in industrial drive systems.
Yes. The EMR-3000-2A0FA0 supports Modbus RTU or DNP3 RTU over fiber optic ST, providing robust long-distance communications with EMI resistance. This enables reliable data exchange to centralized SCADA or MTU devices and improves diagnostic capabilities across distributed motor control networks.
Compliances are listed as ‘Contact Manufacturer’ for this model, meaning regional certification needs will depend on market and installation. Plan for common industrial certifications such as CE or IP ratings where applicable, and verify the exact certification package with Eaton during procurement to ensure alignment with your site requirements.
The device combines IRIG-B synchronization, fiber-based Modbus RTU/DNP3 RTU, and a flexible I/O set (4 DI, 4 DO, 1 AO) with standard mounting. This configuration reduces commissioning time, improves reliability in noisy environments, enables remote diagnostics, and supports scalable monitoring for future expansion—driving lower downtime and better asset utilization.