Eaton EMR-5000-2A0FA0 Motor Relay - Differential Protection
Part Number: EMR-5000-2A0FA0
Quick Summary
Eaton motor relay EMR-5000-2A0FA0 protects industrial motors with advanced protection and monitoring for control panels and drive systems. Engineers often struggle with nuisance trips and difficult fault diagnosis in busy plants, which this device helps reduce through precise sensing and reliable communication. Industry-standard approaches to motor protection commonly pursue CE compliance, IP-rated enclosures, and SIL-capable configurations; confirm status with the manufacturer for your region. By combining differential protection with metering and robust fiber optic communications, the solution delivers improved visibility and faster fault isolation, translating into reduced downtime and lower maintenance costs for end users. The modular EMR-4000 base compatibility further simplifies installation in legacy panel architectures while delivering modern protection features.
Product Information
Extended Description
EMR-5000-2A0FA0 Eaton: Eaton, motor relay, EMR-4000, 19-300 Vdc, 40-250 Vac, Motor protection relay, Modbus RTU or DNP3 RTU over Fiber Optic ST, 5A, 1A, 16, 9, Removable, Motor, over fiber optic ST, 19-300Vdc, 40-250Vac, 50/60 Hz Differential Protection,
Product Name
Eaton motor relay
Catalog Number
EMR-5000-2A0FA0
UPC
786679159743
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
Product Category
Motor protection relay
Base relay
EMR-4000
Analog inputs
0
Communication
Modbus RTU or DNP3 RTU over Fiber Optic ST
Phase current
5A, 1A
Analog outputs
0
Digital inputs
16
Digital outputs
9
I/O options
IRIG-B URTD Interface
Modbus / DNP3 RTU
over fiber optic ST
Sensing inputs
Differential Protection Power Protection and Metering Voltage Protection and Metering Current Protection and Metering
Zone selective interlocking
1
Frequency rating
50/60 Hz
Mounting method
Semi-flush
Terminals
Removable
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-5000-2A0FA0
Feature → Business Impact → Application: Differential protection and sensing inputs provide precise fault detection, reducing nuisance trips and protecting motor windings; in practice, this lowers unplanned downtime in demanding manufacturing lines and supports safer startup sequences. Application: motor protection in automation skids and drives where uptime matters. Feature → Business Impact → Application: Fiber optic Modbus RTU or DNP3 RTU communication delivers EMI immunity and secure remote diagnostics, enabling faster troubleshooting and easier integration with OT networks. Application: remote monitoring and substation-equipment wiring in harsh environments. Feature → Business Impact → Application: 16 digital inputs and 9 digital outputs offer flexible control signaling and event-driven responses, improving sequence control and interlocking capabilities in complex motor trains. Application: control cabinets with multi-motor starters and safety interlocks. Feature → Business Impact → Application: Removable terminals and EMR-4000 base compatibility cut installation time and simplify field wiring, reducing commissioning costs and downtime during maintenance. Application: retrofit projects or upgrades in existing switchgear. Feature → Business Impact → Application: 50/60 Hz operation and wide voltage ranges (19–300 Vdc, 40–250 Vac) support universal motor protection across varied plant electrical systems, minimizing compatibility concerns. Application: global deployment across multiple sites with diverse power architectures. Feature → Business Impact → Application: Zone Selective Interlocking and differential protection provide selective tripping and coordinated protection, improving safety and reliability for large motor drives in process industries. Application: high-availability motor networks with centralized protection schemes. Feature → Business Impact → Application: Compact semi-flush mounting and removable terminals simplify installation in crowded control panels while enabling quick field maintenance and future upgrades. Application: panel builders and integrators seeking scalable protection relays.
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FAQs
The EMR-5000-2A0FA0 uses semi-flush mounting and removable terminals, compatible with the EMR-4000 base relay. This design enables quick field wiring, easier panel retrofits, and straightforward terminal maintenance, reducing commissioning time and the potential for wiring errors during installation.
It supports differential protection and sensing for power protection and metering, with 16 digital inputs and 9 digital outputs. Phase currents are specified as 5A and 1A. Analog inputs/outputs are not provided. Communication is via Modbus RTU or DNP3 RTU over fiber optic ST, enabling secure remote access and monitoring.
Yes. With 50/60 Hz compatibility and voltage ranges from 19–300 Vdc and 40–250 Vac, the relay is designed for motor protection in automation panels and drive systems. Its fiber communications and zone selective interlocking support coordinated protection strategies, reducing risk of cascading trips in multi-motor configurations.
The data shows Compliances as 'Contact Manufacturer', so confirm specific certifications with Eaton for your region. Typical industry expectations for motor protection relays include CE marking and suitable IP enclosure ratings; SIL-capable options may be available. Always verify with the vendor to ensure alignment with your regulatory requirements.
Expect improved uptime from precise protection and faster fault isolation via fiber communications, reducing unplanned downtime. Removable terminals simplify wiring and replacement work, while EMR-4000 compatibility supports smoother migrations. The built-in diagnostics and centralized protection help justify the investment through lower maintenance costs and reduced panel complexity.