Eaton EMR-5000-2B1GB1 Motor Relay - RS-485
Part Number: EMR-5000-2B1GB1
Quick Summary
Eaton EMR-5000-2B1GB1 motor relay protects motors and enables reliable control in industrial drive systems. Operators and integrators often grapple with nuisance trips, wiring complexity, and slow diagnostics when upgrading legacy protection schemes. While exact certifications are not listed here, consult Eaton's EMR-5000-2B1GB1 datasheet for definitive CE, SIL, and IP ratings and installation guidance. This device delivers Modbus RTU or DNP3 RTU over RS-485, 2 analog inputs and outputs, 8 digital inputs, 9 digital outputs, and 50/60 Hz operation, enabling robust protection, easy integration, and scalable monitoring across motor control panels. In practice, it supports reliable motor protection relays for manufacturing lines, packaging, and process automation, reducing downtime and improving lifecycle cost of ownership.
Product Information
Extended Description
EMR-5000-2B1GB1 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, Removable, Motor, D-Sub / RS-485,19-300Vdc, 40-250Vac, 50/60 Hz, Projection,Sensitive Ground Input
Product Name
Eaton motor relay
Catalog Number
EMR-5000-2B1GB1
UPC
786679159699
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
IRIG-B URTD Interface Sensitive Ground Input
Modbus / DNP3 RTU
D-Sub / 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
Projection
Terminals
Removable
Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E
Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E
Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E
Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E
Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E
Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E
Eaton Specification Sheet - EMR-5000-2B1GB1
Feature → Business Impact → Application: Broad I/O and communication capabilities with 8 digital inputs, 9 digital outputs, 2 analog inputs, 2 analog outputs and RS-485 connectivity enable flexible wiring and PLC integration, delivering faster diagnostics and reduced panel wiring complexity for motor control cabinets. Application: use in OEM panels and retrofit projects where Modbus RTU or DNP3 RTU over D-Sub / RS-485 is required and where zone selective interlocking enhances selective tripping in multi-motor systems. Feature → Business Impact → Application: Wide voltage and frequency compatibility (19-300 Vdc, 40-250 Vac, 50/60 Hz) supports global motor fleets and mixed supply environments, minimizing part variety and stock levels. Application: ideal for mixed-portfolio plants, packaging lines, and water treatment facilities. Feature → Business Impact → Application: Removable terminals and projection mounting simplify field installation, maintenance, and field replacement while reducing downtime during upgrades. Application: quick retrofit into existing motor protection relays with minimal downtime. Feature → Business Impact → Application: Rich sensing inputs including voltage, current, differential, and metering protection enable proactive fault detection and faster root-cause analysis, improving uptime and maintenance planning. Application: power protection and metering in distribution panels and motor control centers. Feature → Business Impact → Application: Zone selective interlocking and IRIG-B URTD interface options enhance selective coordination and time synchronization in complex drive ecosystems, lowering outage impact and enabling precise fault location. Application: critical in large motor arrays and utility-scale drives. Feature → Business Impact → Application: Compatibility with Modbus / DNP3 RTU over RS-485 provides standardized, vendor-agnostic integration with plant SCADA and MES systems, improving visibility and control. Application: centralized monitoring and remote diagnostics across multiple lines.
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FAQs
Installers will appreciate the removable terminals and projection mounting which simplify retrofit and field service. Connect 8 digital inputs, 9 digital outputs, 2 analog I/O, and 2 analog outputs to your PLC or HMI. Use the RS-485 port for Modbus RTU or DNP3 RTU communication to central SCADA or control systems, ensuring quick commissioning and reliable operation across standard panel architectures.
The EMR-5000-2B1GB1 supports 19-300 Vdc and 40-250 Vac inputs, operates at 50/60 Hz, and provides phase current ratings of 5A and 1A. It includes 2 analog inputs and 2 analog outputs, 8 digital inputs, and 9 digital outputs. Communications are via Modbus RTU or DNP3 RTU over D-Sub RS-485, enabling scalable integration with existing automation networks.
Yes. The EMR-5000-2B1GB1 includes zone selective interlocking functionality (1 zone interlock) to improve coordination and reduce outage impact in multi-motor configurations. This feature helps isolate faults quickly, minimizing unnecessary trips and preserving production momentum in complex drive trains.
The provided data notes compliance as per the manufacturer, and exact CE, SIL, or IP ratings are not listed here. For regulatory and safety assurances, consult Eaton’s official EMR-5000-2B1GB1 datasheet and confirm the product’s current certifications with Eaton or an authorized distributor before installation.
By consolidating protection, monitoring, and communication in a single device, the EMR-5000-2B1GB1 reduces downtime through faster diagnostics and targeted fault isolation. Its flexible I/O and RS-485 network support streamline maintenance, enable remote monitoring, and lower total cost of ownership for motor-driven production lines.