Eaton EMR-3000-2A1EB1 Motor Relay - RS-485
Part Number: EMR-3000-2A1EB1
Quick Summary
The Eaton motor relay EMR-3000-2A1EB1 delivers reliable motor control for industrial automation and power distribution applications. This device consolidates protection, metering, and signaling in a compact package to simplify panel design and reduce wiring. Engineers often struggle to integrate protection, monitoring, and communication within tight control enclosures; the EMR-3000-2A1EB1 addresses this by offering multiple I/O, time-synchronization options, and diverse power ranges. Certification specifics vary by region, so confirm with the manufacturer for your market; typical Eaton offerings align with industry practices and safety requirements. By supporting RS-485 networks, URTD interfaces, IRIG-B timing, and conformal coating, it provides robust performance for motor control panels in demanding environments while improving lifecycle reliability and integration with existing PLCs and drives.
Product Information
Extended Description
EMR-3000-2A1EB1 Eaton: Eaton, motor relay, 5A, 1A, Motor, over D-Sub / RS-485, Conformal Coated Circuit Boards, 19-300Vdc, 40-250Vac, 50/60 Hz, Projection, Current Protection and Metering, Sensitive Ground Input,URTD Interface,IRIG-B
Product Name
Eaton motor relay
Catalog Number
EMR-3000-2A1EB1
UPC
786679146316
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 URTD Interface IRIG-B
PROFIBUS-DP
over D-Sub / RS-485
Sensing inputs
Current Protection and Metering
Zone selective interlocking
0
Frequency rating
50/60 Hz
Mounting method
Projection
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Eaton Specification Sheet - EMR-3000-2A1EB1
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: Integrated motor relay with 4 digital inputs and 4 outputs plus 1 analog output reduces panel wiring and simplifies control logic, lowering installation time and BoM costs in motor control cabinets. Application: motor drive integration in automation lines; long-tail keywords: motor relay with RS-485, D-Sub interface, digital I/O for PLCs. Feature → Broad voltage range: 19–300 VDC / 40–250 VAC and 50/60 Hz operation enables a single device to cover multiple motor types and supply rails, reducing part diversity and stocking needs. Application: factory automation, pumping stations, and packaging lines; long-tail keywords: wide voltage motor control, universal input motor relay. Feature → Current protection and metering sensing inputs (5A/1A phase current) deliver real-time protection data and energy metrics, supporting proactive maintenance and energy management. Application: predictive maintenance in manufacturing lines; long-tail keywords: motor protection relay, metering-enabled panels. Feature → RS-485 over D-Sub, PROFIBUS-DP compatibility, and URTD/IRIG-B interfaces enable seamless integration with existing PLCs, SCADA, and test benches, cutting engineering hours for network configuration. Application: distributed control and time-synchronized systems; long-tail keywords: RS-485 motor relay, PROFIBUS-DP interface. Feature → Conformal coating and projection mounting simplify installation in harsher environments and compact spaces, improving reliability and reducing field retension cost. Application: harsh factory floors, aerospace/industrial test setups; long-tail keywords: conformal coated electronics, projection mounting relay. Feature → Wide protection and signaling I/O support in a single device reduces the need for multiple add-ons, streamlining commissioning and ongoing maintenance. Application: motor control panels requiring compact integration; long-tail keywords: integrated protection relay, modular motor control.
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FAQs
To connect, identify the D-Sub/RS-485 port on the EMR-3000-2A1EB1 and wire it to your PLC or SCADA master per the device’s wiring diagram. Ensure proper power supply within 19–300Vdc or 40–250Vac, connect the protective ground, and configure the URTD/IRIG-B options if timing or diagnostics are required. Verify addressing and bus termination to ensure reliable communications across the network.
Key specifications include a phase current rating of 5A/1A, digital I/O: 4 inputs and 4 outputs, one analog output, analog inputs: 0, and a broad operating range of 19–300Vdc / 40–250Vac at 50/60 Hz. It supports PROFIBUS-DP over D-Sub / RS-485, and provides protection and metering capabilities through its sensing inputs.
Yes. The device includes current protection and metering sensing inputs, enabling real-time monitoring and protection of motor loads. This supports early fault detection, energy usage visibility, and improved overall motor reliability within a compact control panel, reducing unscheduled downtime and facilitating maintenance planning.
The EMR-3000-2A1EB1 features conformal coating to resist moisture and contaminants and a projection mounting method that simplifies mounting in tight spaces. These attributes enhance reliability in challenging environments such as factory floors or outdoor-rated enclosures, while maintaining ease of service and replacement when needed.
The product is covered by Eaton’s warranty policy: one year from the date of installation or eighteen months from the date of shipment, whichever occurs first. For compliance and regional support details, refer to Eaton’s Selling Policy and contact the manufacturer to confirm regional certifications and service availability.