Eaton EMR-4000-2A1LA0 Motor Relay - Fiber Optic Ethernet
Part Number: EMR-4000-2A1LA0
Quick Summary
The Eaton EMR-4000-2A1LA0 motor relay enables integrated motor protection and monitoring for industrial drives. It consolidates control, protection, and metering in a single device, reducing wiring and panel space while speeding commissioning. Engineers benefit from its versatile input/output configuration—8 digital inputs, 5 digital outputs, and 4 analog outputs—supporting complex interlocks and real-time fault signaling. Compliance details vary; verify CE marking, IP enclosure rating, and SIL readiness with Eaton for your installation. In rugged environments, this relay delivers reliable performance across a wide voltage range and fiber Ethernet communication, enabling remote diagnostics and safer zone-selective interlocking to boost uptime and maintenance planning. The unit also supports integrated sensing for current, voltage, and power protection/meters, aligning with energy-management initiatives and predictive maintenance programs.
Product Information
Extended Description
EMR-4000-2A1LA0 Eaton: Eaton, motor relay, 5A, 1A, Motor, over LC duplex fiber optic Ethernet, 19-300Vdc, 40-250Vac, Power Protection and Metering,Voltage Protection and Metering,Current Protection and Metering, Sensitive Ground Input,
Product Name
Eaton motor relay
Catalog Number
EMR-4000-2A1LA0
UPC
786679147467
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
Sensitive Ground Input IRIG-B URTD Interface
Modbus / DNP3 TCP
over LC duplex fiber optic Ethernet
Sensing inputs
Current Protection and Metering Power Protection and Metering Voltage Protection and Metering
Zone selective interlocking
1
Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E
Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E
Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E
Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E
Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E
Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E
Eaton Specification Sheet - EMR-4000-2A1LA0
Feature → Business Impact → Application: Integrated motor protection and metering consolidates multiple devices into one, reducing install time and panel footprint while improving fault visibility; application in motor control centers and automated lines enables quicker fault isolation and easier energy accounting. Feature → Business Impact → Application: Eight digital inputs, five digital outputs, and four analog outputs support complex interlock schemes and signaling logic; reduces wiring complexity and allows advanced control strategies in packaging, material handling, and conveyor systems. Feature → Business Impact → Application: Modbus and DNP3 TCP over LC duplex fiber optic Ethernet delivers robust, long-distance communication in harsh environments; enables remote monitoring, diagnostics, and safer network topology for critical motors. Feature → Business Impact → Application: I/O options including Sensitive Ground Input, IRIG-B, URTD Interface enhance timing accuracy and protection coordination; suitable for aviation, power generation, and process automation where precise synchronization matters. Feature → Business Impact → Application: Zone selective interlocking and comprehensive sensing inputs (current, voltage, power protection/metering) improveSelectivity and predictive maintenance; helps maintenance teams optimize downtime and extend equipment life. Feature → Business Impact → Application: Physical dimensions and weight support easy panel integration and retrofit across standard enclosures; ideal for upgrading aging motor relays in space-constrained applications. Feature → Business Impact → Application: Warranty and OEM support provide risk reduction during installation and ongoing operations; suitable for OEMs and industrial end users seeking predictable maintenance planning.
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FAQs
EMR-4000-2A1LA0 is designed as a standalone motor relay with extensive I/O and fiber Ethernet communication. It can replace or supplement E-Series configurations by consolidating protection, metering, and signaling in one unit. For specific panel compatibility or retrofit guidance, verify mounting footprint, terminal blocks, and network wiring with Eaton’s technical support or your account engineer.
Key specs include 5A and 1A phase current ratings, 8 digital inputs, 5 digital outputs, and 4 analog outputs. It supports voltage sensing over 19–300Vdc and 40–250Vac, plus sensing for current, voltage, and power protection/metering. Modbus/DNP3 TCP communication runs over LC duplex fiber, enabling reliable field-network integration in harsh environments.
This relay excels in motor protection and remote monitoring within automated lines, process equipment, and packaging systems. Its fiber Ethernet, zone selective interlocking, and IRIG-B/URTD interfaces make it a strong fit for critical motor control panels, energy management initiatives, and applications requiring precise timing and fault signaling.
Specific certifications are not listed in the provided spec. Compliance details are typically confirmed with Eaton during purchasing. Common considerations include CE marking, IP enclosure ratings, and SIL readiness as applicable to your safety and regulatory requirements—verify with Eaton for your exact installation and region.
The integrated metering and protection reduce spare-part counts and simplify maintenance by enabling remote diagnostics via fiber Ethernet. The device’s robust sensing inputs and zone selective interlocking improve fault localization and uptime, while the warranty and Eaton support network help mitigate long-term life-cycle costs.