Eaton EMR-5000-2A1BB0 Motor Relay - Modbus RS-485
Part Number: EMR-5000-2A1BB0
Quick Summary
Eaton motor relay EMR-5000-2A1BB0 is a motor protection relay designed for industrial drive applications, delivering programmable protection and remote monitoring across motor circuits. Engineers often face wiring complexity and limited diagnostics when integrating protection relays into RS-485 networks; this device simplifies installation with removable terminals and robust communication options. Compliance details vary by region, so consult the manufacturer for CE, SIL, or IP ratings applicable to your site. Pairing Modbus RTU or DNP3 RTU over RS-485 with 16 digital inputs and 9 digital outputs enables scalable protection schemes, delivering improved uptime and visibility in automation projects. The solution also supports easy upgrades and compatibility with existing Eaton EMR-4000 baselines, boosting lifecycle value in power protection architectures.
Product Information
Extended Description
EMR-5000-2A1BB0 Eaton: Eaton, motor relay, EMR-4000, 19-300 Vdc, 40-250 Vac, Motor protection relay, Modbus RTU or DNP3 RTU over RS485, 5A, 1A, 16, 9, Removable, Motor, over RS-485, Conformal Coated Circuit Boards, 19-300Vdc, 40-250Vac, 50/60 Hz, Semi-flush,
Product Name
Eaton motor relay
Catalog Number
EMR-5000-2A1BB0
UPC
786679158852
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 RS485
Phase current
5A, 1A
Analog outputs
0
Digital inputs
16
Digital outputs
9
I/O options
URTD Interface Sensitive Ground Input IRIG-B
Modbus / DNP3 RTU
over RS-485
Sensing inputs
Power Protection and Metering Voltage Protection and Metering Differential Protection Current Protection and Metering
Zone selective interlocking
1
Frequency rating
50/60 Hz
Mounting method
Semi-flush
Terminals
Removable
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-5000-2A1BB0
RS-485 communications with Modbus RTU or DNP3 RTU offers seamless integration with SCADA and remote diagnostics, reducing field visits and accelerating fault isolation in plant networks. This translates to faster response times and lower total cost of ownership for motor protection in manufacturing and process facilities. With 16 digital inputs and 9 digital outputs plus selectable current sensing of 5A or 1A, EMR-5000-2A1BB0 provides rich protection logic and versatile control strategies, enabling site-wide coordination of motor protections and interlocks to improve reliability and safety. The device’s voltage and differential protection and metering inputs deliver precise monitoring of motor health, supporting predictive maintenance and energy management goals. Removable terminals and semi-flush mounting simplify installation and future maintenance, while conformal coating guards against harsh industrial environments. I/O options like URTD, IRIG-B, and zone selective interlocking enhance timing accuracy and selective tripping, which reduces outages and improves grid resilience.
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FAQs
EMR-5000-2A1BB0 is designed to work with the EMR-4000 base relay, providing an upgrade path for enhanced protection features. Removable terminals facilitate retrofit installs, while semi-flush mounting simplifies panel integration. Ensure the control wiring matches the RS-485 Modbus or DNP3 RTU configuration and verify that the I/O counts align with your motor protection logic needs.
The device supports Modbus RTU or DNP3 RTU over RS-485, enabling reliable integration with SCADA and remote monitoring systems. This communication flexibility is critical for consolidated plant-wide protection schemes and for centralized diagnostics in high-availability motor drive environments.
Sensing inputs include Voltage Protection and Metering, Differential Protection, and Current Protection and Metering. With 16 digital inputs and 9 digital outputs, the unit supports comprehensive motor protection logic and metering to aid in energy management and fault analysis across multiple motor circuits.
Yes, the EMR-5000-2A1BB0 features Zone Selective Interlocking (1), enabling coordinated and selective tripping to minimize downtime and improve service continuity. Its IRIG-B capable URTD interface and precise timing support ensure compatibility with advanced protection schemes in modern automation architectures.
The relay is covered by Eaton’s warranty policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. For regional compliance and service availability, verify local terms with Eaton and maintain documentation for system upgrades and future maintenance.