Eaton EMR-4000-2A0IA0 Motor Relay - IRIG-B URTD Interface
Part Number: EMR-4000-2A0IA0
Quick Summary
Eaton motor relay EMR-4000-2A0IA0 is a compact motor control and protection unit for industrial networks. Engineers often struggle to consolidate protection, monitoring, and communications in a single, reliable package. In regulated facilities, certifications like CE marking and IP ratings are critical; verify exact approvals with Eaton for this model, as compliance varies by region. The device supports Modbus over RS-485, Modbus over Ethernet TCP, and a time-synchronization interface, delivering robust protection and remote visibility. This combination helps reduce downtime and unify control architecture, enabling faster maintenance and better energy management in industrial automation environments.
Product Information
Extended Description
EMR-4000-2A0IA0 Eaton: Eaton, motor relay, 5A, 1A, Motor, over RS-485, over Ethernet RJ-45, 19-300Vdc, 40-250Vac, Voltage Protection and Metering,Current Protection and Metering,Power Protection and Metering, IRIG-B,URTD Interface
Product Name
Eaton motor relay
Catalog Number
EMR-4000-2A0IA0
UPC
786679146873
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
Modbus / DNP3 RTU
over RS-485
Modbus / DNP3 TCP
over Ethernet RJ-45
Sensing inputs
Voltage Protection and Metering Current 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-4000-2A0IA0
Integrated IO and network options streamline panel wiring and enable flexible integration with existing control architectures, reducing installation time and potential wiring faults. This motor relay provides 8 digital inputs, 5 digital outputs, and 4 analog outputs, with Modbus over RS-485 and Modbus/TCP over Ethernet, along with IRIG-B URTD time synchronization, delivering reliable, synchronized control across multiple devices. Voltage protection, current protection, and power protection with metering give operators actionable data to optimize energy use and prevent costly faults, improving uptime and operational efficiency in motors and drives. Zone selective interlocking support helps coordinate protective actions across motor banks, minimizing outage scope and accelerating fault isolation. Its compact footprint and standard interfaces simplify cabinet design and retrofit projects in industrial automation settings.
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FAQs
EMR-4000-2A0IA0 is designed for integration with common industrial control architectures. It features RS-485 Modbus and Ethernet TCP for remote access, RJ-45 Ethernet, and IRIG-B URTD interface for time synchronization, enabling straightforward retrofits into panels that already utilize Eaton or compatible third-party relays. With 8 digital inputs and 5 digital outputs, plus 4 analog outputs, it supports the typical I/O density required for motor protection and monitoring without extensive cabinet redesign.
The device supports phase currents of 5A and 1A, with voltage protection across 19–300 V DC and 40–250 V AC. It offers voltage, current, and power protection with metering, and provides 8 digital inputs, 5 digital outputs, and 4 analog outputs. It can communicate via RS-485 Modbus/DNP3 RTU and Ethernet Modbus/DNP3 TCP, making it suitable for distributed motor protection and integration into plant-wide control networks.
Ideal for motor control panels, machine automation cabinets, and distributed protection networks in manufacturing, processing, and energy-intensive facilities. Its IRIG-B URTD interface supports precise time synchronization in complex automation schemes, while the combination of metering, protection, and remote communications enables centralized monitoring, predictive maintenance, and rapid fault isolation for multi-motor systems.
Compliance details for EMR-4000-2A0IA0 are listed as 'Compliances: Contact Manufacturer' in the provided data. For regulated installations, confirm with Eaton the exact certifications (for example CE, IP ratings, or safety standards) applicable to your region and configuration. If your project requires specific approvals, request a certification grid or a copy of the current certificate from Eaton before deployment.
By consolidating protection, metering, and communications in a single device, EMR-4000-2A0IA0 reduces wiring complexity and panel footprint, lowering installation and commissioning time. Real-time metering and protective functions help prevent unexpected motor faults, decreasing downtime. The IRIG-B time sync improves coordination with other devices, supporting proactive maintenance and better asset utilization, which translates into measurable cost savings over the life of the motor protection system.