Eaton EMR-3000-2A1IB1 Motor Relay - RS-485 & Ethernet
Part Number: EMR-3000-2A1IB1
Quick Summary
EMR-3000-2A1IB1 is an Eaton motor relay designed to protect, control, and monitor motors in industrial drive systems. This device helps engineers simplify integration of RS-485 and Ethernet communications while safeguarding critical motor loads in demanding environments. Compliance considerations and practical installation challenges are common in panel builds; this model addresses those by offering robust protection features and configurable I/O. While the data sheet highlights current protection and metering, IRIG-B and URTD interface options add reliability for mission-critical applications. By combining flexible communication with rugged construction, this relay supports predictable maintenance, faster commissioning, and scalable integration with existing automation infrastructure. This makes it a strong fit for motor-focused automation and energy-management workflows.
Product Information
Extended Description
EMR-3000-2A1IB1 Eaton: Eaton, motor relay, 5A, 1A, Motor,over RS-485, over Ethernet RJ-45, Conformal Coated Circuit Boards, 19-300Vdc, 40-250Vac, 50/60 Hz, Projection, Current Protection and Metering, Sensitive Ground Input,IRIG-B,URTD Interface
Product Name
Eaton motor relay
Catalog Number
EMR-3000-2A1IB1
UPC
786679146767
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
IRIG-B URTD Interface Sensitive Ground Input
Modbus / DNP3 RTU
over RS-485
Modbus / DNP3 TCP
over Ethernet RJ-45
Sensing inputs
Current Protection and Metering
Zone selective interlocking
0
Frequency rating
50/60 Hz
Mounting method
Projection
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-3000-2A1IB1
Conformal coated circuit boards improve reliability in humidity, dust, and temperature variation, reducing unplanned downtime and maintenance costs in harsh factory environments, which translates to higher overall equipment effectiveness. Feature → Business Impact → Application: Conformal coating enhances environmental resilience for plant-floor motors in washdown or dusty settings, enabling longer service intervals and lower maintenance labor. Feature → Business Impact → Application: 4 digital inputs and 4 digital outputs, plus 1 analog output, provide local logic and telemetry capability, reducing external I/O hardware and wiring complexity in packaging, plastics, or metals manufacturing lines. Feature → Business Impact → Application: RS-485 Modbus/DNP3 RTU and Ethernet TCP communications deliver seamless cross-vendor interoperability, supporting remote diagnostics and centralized monitoring for large distributed motor networks. Feature → Business Impact → Application: 19–300 VDC and 40–250 VAC operation across 50/60 Hz makes the unit compatible with both field motors and drives, simplifying spare-part planning and stock. Feature → Business Impact → Application: Projection mounting and current protection and metering streamline installation and energy awareness in motor-control centers, facilitating faster onboarding of new lines. Feature → Business Impact → Application: IRIG-B URTD interface and sensitive ground input options enable precise time signaling and safer grounding in aerospace, power, or critical process industries. These capabilities collectively drive measurable uptime, improved regulatory compliance, and reduced total cost of ownership, while remaining compatible with PowerPort-E configuration workflows for advanced users.
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FAQs
EMR-3000-2A1IB1 uses projection mounting and provides 4 digital inputs and 4 digital outputs with 1 analog output for local logic. Plan for panel space to accommodate a compact relay, confirm wiring for RS-485 and Ethernet connections, and ensure the PowerPort-E tool is available for advanced configuration when needed.
The device supports 19–300 V DC and 40–250 V AC operation across 50/60 Hz, with phase current ratings of 5A and 1A. It includes current protection and metering as part of sensing inputs, and offers IRIG-B and URTD I/O options for time signaling and grounding considerations.
Yes. The relay communicates Modbus/DNP3 RTU over RS-485 and Modbus/DNP3 TCP over Ethernet RJ-45, enabling interoperable integration with existing SCADA, historian, and PLC systems for centralized monitoring and control.
It is well-suited for motor protection and control within industrial drive systems, energy metering and protection schemes, and distributed motor networks. The IRIG-B URTD interface options support time synchronization and advanced diagnostic workflows in process industries and data centers.
Warranty is one year from installation or eighteen months from shipment, whichever occurs first. Compliances are listed as 'Contact Manufacturer,' so confirm specific regulatory certifications and safety approvals with Eaton prior to procurement to ensure alignment with your project requirements.