Eaton EMR-5000-2A1BA1 Motor Relay - RS-485 Modbus RTU
Part Number: EMR-5000-2A1BA1
Quick Summary
Eaton motor relay EMR-5000-2A1BA1 provides advanced motor protection and control for industrial automation applications. As plants scale, engineers struggle with integrating reliable protection relays that offer robust RS-485 communication, configurable inputs and outputs, and dependable diagnostics. Compliances to confirm with the manufacturer typically include CE, UL, and IP ratings to ensure safety and regulatory alignment in harsh environments. Beyond protection, this device supports Modbus RTU or DNP3 RTU over RS-485, enabling seamless SCADA integration and remote monitoring, helping reduce downtime and operational costs.
Product Information
Extended Description
EMR-5000-2A1BA1 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, 19-300Vdc, 40-250Vac, 50/60 Hz, Projection
Product Name
Eaton motor relay
Catalog Number
EMR-5000-2A1BA1
UPC
786679158845
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
Sensitive Ground Input URTD Interface IRIG-B
Modbus / DNP3 RTU
over RS-485
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 4: Advanced Configuration with PowerPort-E
Programming an Eaton E-Series Relay, Step 4: Advanced Configuration with PowerPort-E
Programming an Eaton E-Series Relay, Step 4: Advanced Configuration with PowerPort-E
Programming an Eaton E-Series Relay, Step 4: Advanced Configuration with PowerPort-E
Programming an Eaton E-Series Relay, Step 4: Advanced Configuration with PowerPort-E
Programming an Eaton E-Series Relay, Step 4: Advanced Configuration with PowerPort-E
Eaton Specification Sheet - EMR-5000-2A1BA1
Feature: RS-485 communication with Modbus RTU or DNP3 RTU. Benefit: Enables seamless integration with PLCs and SCADA, improving data visibility and coordinated protection across the plant. Application: Motor control panels and distributed motor protection schemes. Feature: 16 digital inputs and 9 digital outputs. Benefit: Supports complex interlock logic and remote signaling, reducing wiring errors and setup time. Application: Plant-wide motor control and safety interlocks. Feature: Sensing inputs including differential, voltage, current, and power protection with metering. Benefit: Enhanced fault detection and precise energy usage data, leading to lower maintenance costs. Application: Power distribution reliability in manufacturing lines. Feature: Zone selective interlocking (1) with RS-485 configuration. Benefit: Faster fault isolation and reduced downtime through selective tripping aligned with protection schemes. Application: Medium- to large-scale motor protection networks. Feature: Projection mounting and removable terminals. Benefit: Easier installation and field servicing, minimizing downtime during upgrades. Application: Retrofit projects and new panel builds. Warranty: One year from installation or eighteen months from shipment, whichever comes first, providing peace of mind for procurement and maintenance planning.
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FAQs
Installing the EMR-5000-2A1BA1 motor relay requires projection mounting and removable terminals for easy field servicing. Position the relay in a clean cabinet with adequate ventilation and route RS-485 networking to the PLC or SCADA system. Ensure voltage compatibility (19–300 Vdc or 40–250 Vac, 50/60 Hz) and coordinate protection schemes with existing motor protection relays to avoid nuisance tripping.
The EMR-5000-2A1BA1 communicates over RS-485 using Modbus RTU or DNP3 RTU, enabling seamless data exchange with PLCs, SCADA, and protection schemes. It provides 16 digital inputs and 9 digital outputs for interlocking and control, plus differential, voltage, current protection and metering. This facilitates remote monitoring, coordinated protection, and centralized alarms, reducing trip times and improving system reliability.
Yes, EMR-5000-2A1BA1 supports zone selective interlocking, with a dedicated interlock setting accessible via RS-485 configuration. This enables selective tripping coordination across motor feeders, minimizing circuit outages. In practice, align zone settings with protection schemas in your switchgear and ensure communication with the plant's protection relay hierarchy for precise fault isolation.
Out of the box, the EMR-5000-2A1BA1 offers differential protection, voltage protection and metering, current protection and metering, and power protection and metering. Combined with Modbus/DNP3 communication, you gain real-time fault detection, accurate metering, and improved troubleshooting. These features help prevent motor windings damage, bearing faults, and electrical faults, extending motor life and reducing maintenance costs.
Warranty follows Eaton Selling Policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. For technical support, refer to factory resources and Eaton's service channels. The policy covers manufacturing defects and ensures replacement or repair options, helping protect procurement investments in critical motor protection. Always verify current terms with Eaton or your distributor.