Eaton EMR-5000-2B1GA1 Motor Relay - Modbus RTU over RS-485
Part Number: EMR-5000-2B1GA1
Quick Summary
EMR-5000-2B1GA1 motor relay protects motors in industrial systems. End users often face nuisance trips, wiring faults, and slow fault isolation that disrupt production. CE marking and IP/SIL considerations matter for panel builds and field installs, so confirm certifications with Eaton for your region. This model supports Modbus RTU or DNP3 RTU over RS-485 and offers layered motor protection with multiple I/O options, enabling scalable monitoring and control. By combining robust protection logic with remote diagnostics, it aligns with plant-wide energy optimization and downtime reduction. For procurement teams, this translates to easier compliance checks, faster integration, and predictable maintenance budgets.
Product Information
Extended Description
EMR-5000-2B1GA1 Eaton: Eaton, motor relay, EMR-4000, 19-300 Vdc, 40-250 Vac, Motor protection relay, Modbus RTU or DNP3 RTU over D-SUB / RS485, 5A, 1A, 8, 9,Motor, D-Sub / RS-485, 19-300Vdc, 40-250Vac, 50/60 Hz, Projection, Sensitive Ground Input,
Product Name
Eaton motor relay
Catalog Number
EMR-5000-2B1GA1
UPC
786679159675
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
Communication
Modbus RTU or DNP3 RTU over D-SUB / RS485
Phase current
5A, 1A
Analog outputs
2
Digital inputs
8
Digital outputs
9
I/O options
URTD Interface Sensitive Ground Input IRIG-B
Modbus / DNP3 RTU
D-Sub / RS-485
Sensing inputs
Differential Protection Current Protection and Metering Power Protection and Metering Voltage 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-5000-2B1GA1
Feature → Business Impact → Application: The EMR-5000-2B1GA1 provides two analog inputs and two analog outputs, enabling precise signal capture and control for motor protection and metering. This translates to improved protection accuracy and the ability to tune responses to actual load conditions in process lines. Application: motor protection relay scenarios where accurate analog sensing supports differential and voltage protection schemes. Feature → Business Impact → Application: Eight digital inputs and nine digital outputs offer extensive I/O for remote status, interlocking, and local control without adding external hardware. Application: plant-wide protection schemes and zone selective interlocking in switchgear assemblies. Feature → Business Impact → Application: Modbus RTU or DNP3 RTU over RS-485 communication simplifies integration with SCADA and energy management systems, reducing wiring complexity and enabling remote diagnostics. Application: remote monitoring of motor health and protection events across multiple circuits. Feature → Business Impact → Application: URTD Interface, Sensitive Ground Input, and IRIG-B options provide enhanced fault signaling and time synchronization, boosting diagnostic accuracy. Application: high-reliability protection in mission-critical drives. Feature → Business Impact → Application: Differential Protection, Current Protection and Metering, Power Protection and Metering, and Voltage Protection and Metering capabilities deliver comprehensive protection coverage. Application: meet industry standards for motor efficiency and electrical safety while reducing unplanned downtime. Feature → Business Impact → Application: Projection mounting and removable terminals streamline installation and future maintenance, lowering lifecycle costs. Application: retrofit projects and new builds alike, with faster commissioning and serviceability.
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FAQs
The EMR-5000-2B1GA1 uses projection mounting and removable terminals, enabling rapid, tool-friendly installation and straightforward field maintenance. With base compatibility to EMR-4000 and a full set of I/O, it simplifies retrofits and new builds while minimizing wiring changes.
It offers two analog inputs and two analog outputs, eight digital inputs and nine digital outputs, plus sensing options for differential, current, voltage, and power protection. This enables precise monitoring, fault detection, metering, and coordinated protection across motor circuits.
Yes. The unit supports Modbus RTU or DNP3 RTU over RS-485, allowing seamless integration with SCADA, historian, and energy management systems. This reduces wiring, improves data visibility, and supports remote diagnostics and control.
Compliances are listed as Contact Manufacturer; typical deployments verify CE markings and region-specific certifications, including SIL/IP considerations depending on configuration. Always confirm exact certifications with Eaton for your location and application.
The EMR-5000-2B1GA1 provides remote monitoring, time-synced diagnostics, and zone selective interlocking, which together reduce nuisance trips and accelerate fault isolation. This leads to lower maintenance costs and improved equipment uptime across motor-driven processes.