Eaton EMR-3000-2A1GB1 Motor Relay - D-Sub / RS-485
Part Number: EMR-3000-2A1GB1
Quick Summary
Eaton motor relay EMR-3000-2A1GB1 enables reliable motor control in industrial automation environments, delivering integrated protection, metering, and multi-I/O in a compact package. Engineers often struggle with wiring complexity, panel space, and inconsistent protection when deploying motor relays in critical drive systems. Certification considerations include SIL readiness, CE compliance, and IP ratings, with exact approvals varying by region and configuration; verify with the Eaton datasheet. In terms of business value, this solution reduces panel wiring, enables remote monitoring via Modbus and DNP3 RTU, and supports scalable protection across 50/60 Hz systems, improving maintenance planning and energy management while aligning with standard automation architectures.
Product Information
Extended Description
EMR-3000-2A1GB1 Eaton: Eaton, motor relay, 5A, 1A, Motor, D-Sub / RS-485, Conformal Coated Circuit Boards, 19-300Vdc, 40-250Vac, 50/60 Hz, Projection, Current Protection and Metering, URTD Interface,IRIG-B,Sensitive Ground Input
Product Name
Eaton motor relay
Catalog Number
EMR-3000-2A1GB1
UPC
786679146613
Product Length/Depth
8.06 in
Product Height
8.62 in
Product Width
6.82 in
Product Weight
5.82 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
Analog inputs
0
Phase current
5A, 1A
Analog outputs
1
Digital inputs
4
Digital outputs
4
I/O options
Sensitive Ground Input IRIG-B URTD Interface
Modbus / DNP3 RTU
D-Sub / RS-485
Sensing inputs
Current Protection and Metering
Zone selective interlocking
0
Frequency rating
50/60 Hz
Mounting method
Projection
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-3000-2A1GB1
Selling Policy 25-000 - Distribution and Control Products and Services
Feature integrated control and metering for motor networks → Business impact reduced wiring complexity and improved visibility of motor health → Application: motor control panels and drive systems benefit from consolidated protection and metering. Feature RS-485 D-Sub comms for Modbus/DNP3 RTU → Business impact enables seamless integration with existing SCADA/automation platforms → Application: factory automation and process control. Feature Conformal Coated Circuit Boards → Business impact enhanced reliability in harsh environments, reducing field failures → Application: outdoor or humid installations in industrial facilities. Feature URTD Interface, IRIG-B, and Sensitive Ground Input → Business impact precise synchronization and robust grounding improve safety and data integrity → Application: high-precision automation and test rigs requiring accurate timing. Feature 4 digital inputs, 4 digital outputs, and 1 analog output with 0 analog inputs → Business impact richer local I/O for monitoring and control without added modules → Application: compact motor protection and local control in space-constrained panels. Feature 19-300Vdc and 40-250Vac operating ranges with 50/60 Hz compatibility → Business impact broad compatibility reduces part count and stocking complexity → Application: global deployments and multi-voltage motor systems. Feature Projection mounting and a 8.06 in × 8.62 in × 6.82 in footprint, weight 5.82 lb → Business impact easier panel fit and mounting flexibility, lowering installation time → Application: retrofit projects and new builds with limited enclosure space.
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FAQs
Plan for a projection-mounted enclosure, leaving space for wiring and the D-Sub RS-485 connector. Connect digital I/O (4 inputs, 4 outputs) and the 1 analog output as needed, then wire the Modbus/DNP3 RTU interface to the existing PLC or SCADA network. Ensure voltage ranges (19-300 Vdc, 40-250 Vac) match your motor circuit and apply conformal coating where humidity or contaminants are present.
Phase current is 5A for protected circuits and 1A for sensing. It provides 0 analog inputs and 1 analog output, with 4 digital inputs and 4 digital outputs. Communication is via D-Sub RS-485 for Modbus or DNP3 RTU. Operating frequency is 50/60 Hz, with voltage ranges 19-300 Vdc and 40-250 Vac.
Yes. The EMR-3000-2A1GB1 supports I/O options including URTD Interface, IRIG-B timing, and a Sensitive Ground Input, enabling precise timing, robust grounding, and integration with synchronization requirements in mission-critical or highly synchronized automation environments.
Compliance information is listed as 'Contact Manufacturer' for this model. Verify SIL readiness, CE approvals, and IP ratings with Eaton’s datasheet and regional regulatory bodies to ensure the part meets your safety and reliability requirements before procurement.
The module reduces panel wiring and assembly time by combining protection, metering, and multi-I/O in one device. Its integrated Modbus/RS-485 interface supports remote monitoring, while conformal coating and expanded voltage ranges improve reliability in harsh environments, delivering lower total cost of ownership and faster ROI through uptime gains.