Eaton EMR-4000-2A1LB1 motor relay - LC fiber Ethernet

Part Number: EMR-4000-2A1LB1
Manufacturer
Eaton
Part number
EMR-4000-2A1LB1

Quick Summary

Eaton EMR-4000-2A1LB1 motor relay enables heavy-duty motor control and protection in industrial automation systems. Operators often struggle with limited remote monitoring options, unreliable comms, and insufficient protection metering that drives downtime and maintenance costs. Compliance considerations for industrial relays typically include CE marking, IP-rated ruggedization, and SIL readiness, with final confirmation from the manufacturer. This motor relay delivers a versatile suite of digital and analog I/O, power protection and metering, and fiber Ethernet connectivity to simplify installation and commissioning. By combining conformal coated boards with sensitive ground input and zone selective interlocking, it supports safer, more efficient machine operation while reducing total cost of ownership. For engineers evaluating competitive options, the EMR-4000-2A1LB1 provides clear advantages in modularity, diagnostics, and scalable protection strategy across motor control centers.

Product Information

Extended Description

EMR-4000-2A1LB1 Eaton: Eaton, motor relay, 5A, 1A, Motor, over LC duplex fiber optic Ethernet, Conformal Coated Circuit Boards, 19-300Vdc, 40-250Vac, Current Protection and Metering,Power Protection and Metering, Sensitive Ground Input,
Product Name
Eaton motor relay
Catalog Number
EMR-4000-2A1LB1
UPC
786679147450
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
URTD Interface Sensitive Ground Input IRIG-B
Modbus / DNP3 TCP
over LC duplex fiber optic Ethernet
Sensing inputs
Power Protection and Metering Voltage Protection and Metering Current Protection and Metering
Zone selective interlocking
1
Feature → Business Impact → Application: The EMR-4000-2A1LB1 offers eight digital inputs and five digital outputs plus four analog outputs, enabling richer on-device signaling, smarter event logging, and reduced field wiring. This translates to faster commissioning, improved fault isolation, and lower panel wiring costs in conveyor lines and packaging equipment. Application-wise, it supports centralized motor protection and metering within automated cells while simplifying PLC integration and diagnostics. Feature → Business Impact → Application: 19-300V DC and 40-250V AC operation with current protection and metering provides flexible power conditioning and accurate load profiling, driving energy efficiency improvements and better maintenance planning. This is especially valuable in metal fabrication and material handling where variable loads are common. Feature → Business Impact → Application: LC duplex fiber optic Ethernet for Modbus/DNP3 TCP communication delivers EMI immunity and long-reach connectivity, reducing communication errors and enabling remote monitoring across large facilities. Ideal for batch plants and distributed MCCs where network reliability matters. Feature → Business Impact → Application: Conformal coated circuit boards and IRIG-B sensing inputs enhance ruggedness and time synchronization in harsh environments, boosting uptime and measurement accuracy in wastewater, mining, or chemical processing plants. Feature → Business Impact → Application: Zone selective interlocking (1) improves selective tripping and reduces downstream outage impact, enabling safer, faster fault clearance in large motor banks and critical pumps. Feature → Business Impact → Application: Sensing inputs covering Power, Voltage, and Current Protection and Metering streamline protection schemes and meet industry metering standards, supporting compliance audits and energy reporting in continuous process industries.

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FAQs

The EMR-4000-2A1LB1 utilizes standard motor relay form factors with eight digital inputs, five digital outputs, and four analog outputs, enabling compact, centralized control. For best results, mount in clean, accessible MCCs or control panels; use shielded cables for digital I/O and fiber optic Ethernet for the Modbus/DNP3 network to minimize EMI and ensure reliable comms across long runs.
This device supports 5A and 1A phase current for motor protection and metering. It includes Power Protection and Metering, Voltage Protection and Metering, and Current Protection and Metering, enabling precise load profiling, fault detection, and energy management within automation projects and energy-intensive applications.
Ideal for industrial automation, motor control centers, and automated lines where reliable motor protection, metering, and remote diagnostics are essential. Suitable for packaging, metal fabrication, plastics, and heavy machinery operations that benefit from fiber communications, zone selective interlocking, and robust environmental tolerance.
Compliances are provided by the manufacturer. For regulated environments, confirm CE marking, IP ratings, and SIL readiness directly with Eaton to ensure the relay meets your facility’s safety and reliability standards before deployment.
Take advantage of conformal coating for harsh environments, IRIG-B sensing, and LC fiber Ethernet for robust network performance. Use PowerPort-E configuration for advanced setup, enabling quicker commissioning, reduced downtime, and better predictive maintenance through richer diagnostics and metering data.