Eaton EMR-5000-2A1LB1 Motor Relay - Differential Protection
Part Number: EMR-5000-2A1LB1
Quick Summary
Eaton motor relay EMR-5000-2A1LB1 provides robust motor protection for industrial drives used in automation systems. Engineers often struggle to coordinate protection schemes across multiple motors and remote locations, risking downtime when faults occur. Certification specifics vary by region; consult the manufacturer for CE, SIL and IP rating details. The EMR-5000-2A1LB1 integrates with Mbus TCP or DNP3 TCP/UDP over LC duplex fiber, supporting zone selective interlocking and differential protection. For OEMs and panel builders, it delivers reliable motor protection with scalable diagnostics and remote monitoring, improving overall equipment availability.
Product Information
Extended Description
EMR-5000-2A1LB1 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, Projection, Differential Protection,Sensitive Ground Input
Product Name
Eaton motor relay
Catalog Number
EMR-5000-2A1LB1
UPC
786679159767
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 Sensitive Ground Input URTD Interface
Modbus / DNP3 TCP
over LC duplex fiber optic Ethernet
Sensing inputs
Differential Protection Voltage Protection and Metering Power Protection and Metering Current Protection and Metering
Zone selective interlocking
1
Frequency rating
50/60 Hz
Mounting method
Projection
Terminals
Removable
Programming an Eaton E-Series Relay, Step 3: Getting Started with the E-Series Wizard
Programming an Eaton E-Series Relay, Step 3: Getting Started with the E-Series Wizard
Programming an Eaton E-Series Relay, Step 3: Getting Started with the E-Series Wizard
Programming an Eaton E-Series Relay, Step 3: Getting Started with the E-Series Wizard
Programming an Eaton E-Series Relay, Step 3: Getting Started with the E-Series Wizard
Programming an Eaton E-Series Relay, Step 3: Getting Started with the E-Series Wizard
Eaton Specification Sheet - EMR-5000-2A1LB1
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: Removable terminals and projection mounting simplify installation and future upgrades, reducing commissioning time and labor costs in new builds or retrofits. Feature → Business Impact → Application: Mbus TCP or DNP3 TCP/UDP over LC duplex fiber Enet enables secure, long-distance data exchange, improving remote diagnostics and maintenance planning for distributed motor fleets. Feature → Business Impact → Application: IRIG-B input and Sensitive Ground Input provide precise time stamping and fault discrimination, enabling high-accuracy protection schemes in critical processes. Feature → Business Impact → Application: 16 digital inputs and 9 digital outputs, plus 5A/1A phase current ratings, support scalable I/O for complex motor control and interlocking tasks. Feature → Business Impact → Application: Zone selective interlocking (1) and Differential Protection deliver targeted fault isolation, reducing collateral downtime and equipment wear while meeting industry protection standards. Feature → Business Impact → Application: Voltage, Current, and Power Protection and Metering give operators actionable energy data and faster fault localization, boosting energy management and compliance reporting. The combination supports compatibility with EMR-4000 base relays, streamlining upgrades and minimizing panel footprint while ensuring reliable operation in 50/60 Hz networks.
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FAQs
The EMR-5000-2A1LB1 supports motor protection across a wide voltage range, including 19–300 VDC and 40–250 VAC, with operation at 50/60 Hz. It features projection mounting and removable terminals to simplify field wiring, making it suitable for both new installations and retrofits in industrial drives and control panels.
Protection features include Differential Protection, Voltage Protection and Metering, Current Protection and Metering, and Power Protection and Metering. The unit provides 16 digital inputs and 9 digital outputs, supports Zone Selective Interlocking, IRIG-B timing, and Sensitive Ground Input, enabling precise fault discrimination and rapid clearance in demanding motor circuits.
Yes. The EMR-5000-2A1LB1 communicates over Mbus TCP or DNP3 TCP/UDP via LC duplex fiber optic Ethernet, facilitating remote monitoring and control across distributed motor arrays. Its integration with the EMR-4000 base relay helps streamline panel design and upgrade paths in OEM equipment and PLC/SCADA-driven environments.
Certification specifics vary by region and are documented by the manufacturer. The product is listed with a general compliance indication and requires consultation with Eaton to confirm CE, SIL, IP ratings or other regional certifications applicable to your installation and market.
Warranty is defined by Eaton Selling Policy 25-000 as one year from installation or eighteen months from shipment, whichever occurs first. The EMR-5000-2A1LB1 reduces downtime through fast fault isolation, lowers wiring and commissioning labor, and enables proactive maintenance via remote diagnostics, contributing to lower maintenance costs and improved ROI over the motor fleet life cycle.