Eaton EMR-5000-2A0LB0 Motor Relay - Differential Protection
Part Number: EMR-5000-2A0LB0
Quick Summary
Eaton motor relay EMR-5000-2A0LB0 is a comprehensive motor protection relay designed for industrial drives and power distribution systems. Engineers often grapple with nuisance trips, complicated wiring, and slow fault diagnosis when protecting critical motors. This model delivers precise sensing, versatile communication, and robust metering to streamline protection strategies while reducing downtime. The EMR-5000-2A0LB0 supports differential protection, power protection, and metering across 50/60 Hz networks, with Mbus TCP or DNP3 TCP/UDP over LC duplex fiber Ethernet, and a dense I/O set (16 digital inputs, 9 digital outputs). Standard mounting is semi-flush with removable terminals, enabling straightforward retrofit from EMR-4000 and easy field upgrades. Typical deployments emphasize CE-style electrical safety practices and instrumentation-grade monitoring, aligning with industry expectations for motor protection relays. This combination delivers dependable protection and clear ROI for plants pursuing reliability and efficiency.
Product Information
Extended Description
EMR-5000-2A0LB0 Eaton: Eaton, motor relay, EMR-4000, 19-300 Vdc, 40-250 Vac, Motor protection relay, Mbus TCP or DNP3 TCP/UDP over LC duplex FO Enet, 5A, 1A, 16, 9,19-300Vdc, 40-250Vac, 50/60 Hz Differential Protection,Power Protection and Metering,
Product Name
Eaton motor relay
Catalog Number
EMR-5000-2A0LB0
UPC
786679160381
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
Mbus TCP or DNP3 TCP/UDP over LC duplex FO Enet
Phase current
5A, 1A
Analog outputs
0
Digital inputs
16
Digital outputs
9
I/O options
IRIG-B URTD Interface
Modbus / DNP3 TCP
over LC duplex fiber optic Ethernet
Sensing inputs
Voltage Protection and Metering Power Protection and Metering Current Protection and Metering Differential Protection
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-5000-2A0LB0
Feature: Flexible communications and I/O enable remote monitoring and seamless SCADA integration; Business Impact: Reduces field visits and accelerates fault diagnosis, improving plant availability; Application: Factory floors, distributed control systems, and feeder protection. Feature: Comprehensive sensing and metering including Voltage, Power, Current, and Differential Protection; Business Impact: Enhances protection accuracy and reduces nuisance trips, lowering equipment wear and energy waste; Application: Industrial motors, pumps, conveyors, and process equipment. Feature: Removable terminals and semi-flush mounting for easy retrofits; Business Impact: Simplifies installation and reduces downtime during upgrades or maintenance; Application: Upgrading legacy EMR systems or expanding protection networks. Feature: Zone Selective Interlocking (1) to improve fault isolation; Business Impact: Minimizes outage impact and selective tripping improves uptime in multi-motor banks; Application: Plant-wide motor protection schemes. Feature: Built-in compatibility with EMR-4000 base relay and IRIG-B URTD interface; Business Impact: Streamlines upgrades and precise timing for synchronized protection and metering; Application: Substation and industrial control rooms. Feature: Remote metering and event logging via Modbus / DNP3 TCP over fiber; Business Impact: Enables data-driven maintenance, predictive diagnostics, and reduced maintenance costs; Application: SCADA integration and asset management across distributed installations.
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FAQs
The EMR-5000-2A0LB0 is designed for compatibility with the EMR-4000 base relay. It uses removable terminals and a semi-flush mounting method to simplify retrofits, minimize wiring changes, and reduce downtime during upgrades. Ensure the base unit is properly matched to the EMR-5000-2A0LB0 footprint and follow standard Eaton installation practices for safe, reliable operation.
Key specifications include voltage sensing from 19 to 300 VDC and 40 to 250 VAC, frequency rating of 50/60 Hz, and phase current options of 5 A and 1 A. The device also provides 16 digital inputs and 9 digital outputs, with Modbus/DNP3 TCP communications over LC duplex fiber for remote integration.
This relay is ideal for motor protection in manufacturing lines, pumps, conveyors, and other heavy equipment. It supports differential protection, power protection, and metering, enabling precise fault detection and energy management. Its fiber Ethernet communications and broad I/O capability make it suitable for SCADA integration and distributed control networks.
Compliance details are provided by the manufacturer; the product listing notes Compliances as Contact Manufacturer. In typical deployments, motor protection relays are evaluated for CE electrical safety, EMC performance, and system-specific approvals. Always confirm current certifications with Eaton before procurement to ensure alignment with regional regulations and project specifications.
By delivering accurate protection, reduced nuisance trips, remote monitoring, and streamlined upgrades, the EMR-5000-2A0LB0 lowers downtime and maintenance costs. Its integration with Modbus/DNP3 and the EMR-4000 base enables scalable protection schemes, allowing predictable maintenance cycles and better asset utilization across motor-driven processes.