Eaton EMR-4000-2A1BA0 Motor Relay - IRIG-B URTD Interface
Part Number: EMR-4000-2A1BA0
Quick Summary
Eaton motor relay EMR-4000-2A1BA0 provides integrated protection, metering and control for industrial motors in process and manufacturing environments. Users often struggle to find a single device that combines RS-485 Modbus, timing synchronization, and multi-channel I/O in a rugged enclosure. Certification details are not listed in the public datasheet; consult Eaton for applicable standards (SIL, CE, IP) based on installation. This solution reduces wiring complexity, accelerates commissioning, and improves visibility with built-in metering and protection features. With robust interfaces and clear diagnostics, it supports reliable motor protection across industrial automation applications.
Product Information
Extended Description
EMR-4000-2A1BA0 Eaton: Eaton, motor relay, 5A, 1A, Motor, over RS-485, 19-300Vdc, 40-250Vac, Power Protection and Metering,Current Protection and Metering,Voltage Protection and Metering, IRIG-B,URTD Interface,Sensitive Ground Input
Product Name
Eaton motor relay
Catalog Number
EMR-4000-2A1BA0
UPC
786679146972
Product Length/Depth
8.06 in
Product Height
8.7 in
Product Width
9.72 in
Product Weight
9.259 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
4
Digital inputs
8
Digital outputs
5
I/O options
IRIG-B URTD Interface Sensitive Ground Input
Modbus / DNP3 RTU
over RS-485
Sensing inputs
Current Protection and Metering Voltage Protection and Metering Power Protection and Metering
Zone selective interlocking
1
Interfacing with an Eaton E-Series Relay, Step 6: Front Panel Navigation
Interfacing with an Eaton E-Series Relay, Step 6: Front Panel Navigation
Interfacing with an Eaton E-Series Relay, Step 6: Front Panel Navigation
Interfacing with an Eaton E-Series Relay, Step 6: Front Panel Navigation
Interfacing with an Eaton E-Series Relay, Step 6: Front Panel Navigation
Interfacing with an Eaton E-Series Relay, Step 6: Front Panel Navigation
Eaton Specification Sheet - EMR-4000-2A1BA0
Feature → Business Impact → Application: The EMR-4000-2A1BA0 provides 5 A / 1 A phase current handling, enabling reliable motor protection without oversizing controls, which reduces component count and installation time in motor control centers. This translates to lower upfront costs and faster commissioning in manufacturing lines and packaging facilities. Application: Motor protection and metering in heavy equipment and process automation. Feature → Business Impact → Application: Eight digital inputs and five digital outputs, paired with four analog outputs, deliver flexible control and remote signaling for complex startup/shutdown sequences, improving fault detection and reducing unplanned downtime in CNC, conveyors, and pumps. Application: Industrial automation networks requiring versatile I/O. Feature → Business Impact → Application: RS-485 Modbus RTU connectivity, IRIG-B timing, URTD interface and sensitive ground input streamline synchronization and reliability across distributed motor systems, enabling centralized monitoring and easier integration with existing control architectures. Application: Timeline-shared control systems and telemetry. Feature → Business Impact → Application: Comprehensive power protection and metering (voltage, current, and power) support, enhancing energy management and compliance reporting for regulatory audits. Application: Energy-aware facilities and critical service motors.
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FAQs
The EMR-4000-2A1BA0 offers multiple I/O configurations (8 digital inputs, 5 digital outputs, 4 analog outputs) and communicates over RS-485 Modbus RTU, with IRIG-B and URTD timing. For installation, verify enclosure compatibility and conduit routing per your panel design and ensure correct ground referencing to utilize the Sensitive Ground Input feature.
Phase current ratings are 5 A and 1 A, with 8 digital inputs, 5 digital outputs, and 4 analog outputs. These specs support standard motor protection tasks, signal processing, and basic metering within a single device, simplifying control cabinet wiring and reducing accessory components.
Yes. Designed for motor protection, metering, and timing, it supports industrial automation use cases such as conveyors, pumps, and fans. Its RS-485 Modbus RTU interface and IRIG-B timing enable integration with existing control systems and precise synchronization across distributed motor networks.
Compliance details are not listed in the public datasheet. For regulatory alignment, consult Eaton to confirm SIL, CE, IP ratings, and any site-specific standards applicable to your installation and jurisdiction.
The product carries Eaton's warranty policy: one year from installation or eighteen months from shipment, whichever occurs first. This warranty supports replacement and repair pathways, aiding total cost of ownership considerations for long-term motor protection investments.