Eaton EMR-4000-2A0EB1 Motor Relay - Conformal Coated PCB
Part Number: EMR-4000-2A0EB1
Quick Summary
Eaton EMR-4000-2A0EB1 motor relay is designed to simplify robust motor control in automated facilities. Engineers frequently wrestle with wiring complexity, panel space, and the need for reliable protection within compact control architectures, and this device addresses those challenges with an extensive I/O set and flexible communications. While specific regional certifications are managed by the manufacturer, the relay features conformal coating and a wide voltage tolerance to support durable installations in demanding environments; consult Eaton for CE, IP, or SIL status as applicable. This combination of programmable I/O, metering capabilities, and rugged construction translates into faster commissioning, reduced wiring, and improved system reliability across modern automation stacks.
Product Information
Extended Description
EMR-4000-2A0EB1 Eaton: Eaton, motor relay, 5A, 1A, Motor, over D-Sub / RS-485, Conformal Coated Circuit Boards, 19-300Vdc, 40-250Vac, Voltage Protection and Metering,Power Protection and Metering,Current Protection and Metering,
Product Name
Eaton motor relay
Catalog Number
EMR-4000-2A0EB1
UPC
786679147542
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
Analog inputs
0
Phase current
5A, 1A
Analog outputs
4
Digital inputs
8
Digital outputs
5
I/O options
URTD Interface IRIG-B
PROFIBUS-DP
over D-Sub / RS-485
Sensing inputs
Voltage Protection and Metering Power Protection and Metering Current Protection and Metering
Zone selective interlocking
1
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-4000-2A0EB1
Feature → Business Impact → Application: The EMR-4000-2A0EB1 offers eight digital inputs, five digital outputs, and four analog outputs, enabling comprehensive local control and status reporting for motor circuits. This translates to streamlined ladder logic integration and reduced PLC channel usage in packaging lines and material handling systems. Application focus: motor control panels and small drive applications that require robust I/O without external multiplexing. Feature → Business Impact → Application: Wide input range of 19–300 VDC and 40–250 VAC minimizes the parts count and simplifies installation across mixed-power machines, reducing commissioning time and inventory costs. Application focus: multi-vendor panels and retrofits where supply voltage varies. Feature → Business Impact → Application: Integrated voltage, power, and current protection with metering improves fault detection and energy management, enabling proactive maintenance and lower downtime in manufacturing lines. Application focus: energy-aware motor protection schemes. Feature → Business Impact → Application: Conformal coating on circuit boards reduces corrosion risk in harsh factory floors and damp environments, increasing mean time between failures (MTBF) and lowering service calls. Application focus: wet or dusty environments and outdoor enclosures. Feature → Business Impact → Application: Support for URTD Interface IRIG-B and PROFIBUS-DP over D-Sub / RS-485 enhances integration with legacy and modern PLCs, enabling smoother upgrades and better traceability. Application focus: retrofits and new builds requiring robust fieldbus compatibility. Feature → Business Impact → Application: Zone selective interlocking capability and clear protection layers help operators achieve safer start/stop sequences and reduce nuisance trips in high-demand motors. Application focus: conveyors and robotic pick-and-place cells. Feature → Business Impact → Application: Comprehensive warranty and Eaton support provide predictable lifecycle costs and quick assistance for critical installations, improving total cost of ownership. Application focus: enterprise maintenance planning and procurement.
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FAQs
Begin by reviewing the 8 digital inputs and 5 digital outputs to map signals for your PLC I/O. Use the D-Sub / RS-485 PROFIBUS-DP interface for integration with legacy PLCs and route IRIG-B via URTD if time synchronization is required. Ensure the 19–300 VDC or 40–250 VAC power rails are within spec and mount the device in a ventilated area to leverage the conformal coating for environmental reliability.
Key specs include phase current ratings of 5A and 1A, and the device’s ability to monitor voltage, power, and current for metering. The wide 19–300 VDC / 40–250 VAC input range supports diverse motor loads and supply conditions, enabling coordinated protection and metering across multiple motors from a single relay.
Yes, the relay uses conformal-coated circuit boards which are designed to resist moisture and contaminants commonly found in industrial settings. This makes it a practical choice for factory floors, outdoor enclosures, and wash-down areas where protection and reliability are critical.
The product lists compliances as 'Contact Manufacturer', so confirm regional CE, IP, or SIL specifics with Eaton or your local distributor. The device is designed to support rugged operation and broad electrical ratings, but certification details depend on your installation location and application.
The relay consolidates motor control, protection, and metering into a single device with extensive I/O, reducing wiring and panel space while enabling proactive fault detection. The conformal coating and warranty minimize downtime and service costs, delivering a favorable total cost of ownership in automated lines and energy-intensive applications.