Eaton EMR-5000-2B1IA0 Motor Relay - RS-485/Ethernet
Part Number: EMR-5000-2B1IA0
Quick Summary
Eaton EMR-5000-2B1IA0 motor relay protects motors in industrial drives, delivering integrated protection and control. Facilities often struggle with wiring complexity and fragmented diagnostics, which this unit mitigates by combining sensing, protection logic, and remote communication in a single device. Certification details are provided by the manufacturer; refer to the Eaton Specification Sheet for CE and UL considerations and any IP enclosure requirements. In practice, projects use CE/UL guidance and enclosure ratings to meet regulatory demands while ensuring reliability. With 50/60 Hz operation, RS-485 Modbus RTU and Ethernet Modbus TCP, the EMR-5000-2B1IA0 also supports differential and power protection metering, delivering tangible value for motor protection relays in industrial automation.
Product Information
Extended Description
EMR-5000-2B1IA0 Eaton: Eaton, motor relay, EMR-4000, 19-300 Vdc, 40-250 Vac, Motor protection relay,5A, 1A, 8, 9, Removable, Motor, over RS-485, over Ethernet RJ-45, 19-300Vdc, 40-250Vac, 50/60 Hz Differential Protection Sensitive Ground Input
Product Name
Eaton motor relay
Catalog Number
EMR-5000-2B1IA0
UPC
786679159842
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
2
Phase current
5A, 1A
Analog outputs
2
Digital inputs
8
Digital outputs
9
I/O options
IRIG-B Sensitive Ground Input URTD Interface
Modbus / DNP3 RTU
over RS-485
Modbus / DNP3 TCP
over Ethernet RJ-45
Sensing inputs
Power Protection and Metering Differential Protection Voltage Protection and Metering 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 6: Front Panel Navigation
Interfacing with an Eaton E-Series Relay, Step 6: Front Panel Navigation
Interfacing with an Eaton E-Series Relay, Step 6: Front Panel Navigation
Interfacing with an Eaton E-Series Relay, Step 6: Front Panel Navigation
Interfacing with an Eaton E-Series Relay, Step 6: Front Panel Navigation
Interfacing with an Eaton E-Series Relay, Step 6: Front Panel Navigation
Eaton Specification Sheet - EMR-5000-2B1IA0
The EMR-5000-2B1IA0 combines a robust I/O set with adaptable protection logic, enabling faster fault isolation and reduced wiring by consolidating motor protection and control in one package. Its eight digital inputs and nine digital outputs, plus two analog inputs and two analog outputs, support complex motor protection schemes and metering without expanding panel space. The device communicates over RS-485 for Modbus RTU and Ethernet RJ-45 for Modbus TCP/DNP3, enabling remote diagnostics, centralized monitoring, and easier integration with PLCs and SCADA. Sensing inputs cover differential protection, voltage and current protection, and power metering, while Zone Selective Interlocking provides rapid fault isolation to minimize downtime. Removable terminals and compatibility with EMR-4000 bases streamline retrofits and field wiring, boosting installation efficiency and long-term reliability. Industry-grade mounting (Semi-flush) and a 50/60 Hz operating range further support versatile industrial deployment.
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FAQs
The EMR-5000-2B1IA0 is designed for compatibility with the EMR-4000 base. Use the removable terminals for field wiring, align the I/O connectors, and snap the module onto the base. After mounting, configure inputs, outputs and communication ports via the front panel or Eaton's recommended configuration tool. This streamlined retrofit approach minimizes downtime and wiring complexity.
Key specs include sensing for differential protection, voltage protection, and current protection with 2 analog inputs and 2 analog outputs, 8 digital inputs and 9 digital outputs, and a selectable phase current of 5A or 1A. The unit operates at 50/60 Hz and supports RS-485 Modbus RTU and Ethernet Modbus TCP for remote monitoring and control.
Yes. The EMR-5000-2B1IA0 provides Modbus/RTU over RS-485 and Modbus/DNP3 TCP over Ethernet RJ-45. This enables seamless integration with PLCs, SCADA, and energy management systems, reducing wiring and enabling centralized diagnostics, fault reporting, and remote protection management across plant networks.
Industries such as manufacturing, mining, water treatment, and energy generation benefit from the EMR-5000-2B1IA0. Its protection features—differential protection, metering, zone selective interlocking—and remote communication capabilities support high-availability motor systems, predictive maintenance strategies, and scalable protection architectures in harsh or space-constrained environments.
Warranty is one year from installation or 18 months from shipment, per Eaton policy 25-000. For support, consult the Eaton specification sheet and navigation videos, which provide commissioning guidance, maintenance tips, and access to datasheets and diagnostic resources to maximize uptime and protection performance.