Eaton EMR-4000-2A1FB1 Motor Relay - IRIG-B Input
Part Number: EMR-4000-2A1FB1
Quick Summary
Eaton motor relay EMR-4000-2A1FB1 enables motor protection and control in industrial drives. Engineers often grapple with integrating complex IO, fiber communications, and precise time synchronization in a single rugged device. Certifications such as CE, IP ratings, and SIL readiness vary by region; verify with Eaton for your location. This device combines robust motor protection with metering, fiber optic communication, and a resilient enclosure, delivering reliable performance while reducing external hardware and wiring costs.
Product Information
Extended Description
EMR-4000-2A1FB1 Eaton: Eaton, motor relay, 5A, 1A, Motor, over fiber optic ST, Conformal Coated Circuit Boards, 19-300Vdc, 40-250Vac, Power Protection and Metering,Current Protection and Metering,Sensitive Ground Input
Product Name
Eaton motor relay
Catalog Number
EMR-4000-2A1FB1
UPC
786679147191
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 Sensitive Ground Input
Modbus / DNP3 RTU
over fiber optic ST
Sensing inputs
Power Protection and Metering Current Protection and Metering Voltage Protection and Metering
Zone selective interlocking
1
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-4000-2A1FB1
Feature → Business Impact → Application: The EMR-4000-2A1FB1 offers 8 digital inputs, 5 digital outputs, and 4 analog outputs, enabling high-density local control and diagnostics, which reduces external controllers and panel wiring while speeding up commissioning in conveyors and pumps. This dense I/O translates to measurable efficiency gains and simplified panel layouts in manufacturing and process lines. Feature → Business Impact → Application: A wide voltage range of 19–300 VDC and 40–250 VAC allows global deployment without multiple variants, lowering obsolescence risk and inventory costs for multinational facilities. Apply this in motors and drives across regional sites to streamline procurement and maintenance. Feature → Business Impact → Application: Modbus and DNP3 RTU over fiber optic ST delivers secure, isolated communications and interference resilience, which reduces risk of data loss and cyber exposure in harsh plants or substations. Use in remote monitoring and distributed control architectures. Feature → Business Impact → Application: URTD Interface IRIG-B Sensitive Ground Input enables time synchronization and precise grounding coordination, improving protection schemes and event correlation in power and energy applications. Ideal for grid-tied drives and time-critical motor control. Feature → Business Impact → Application: Conformal coated circuit boards improve reliability in dusty, humid, or outdoor environments, lowering maintenance cycles and unplanned downtime in outdoor substations or factory exteriors. Feature → Business Impact → Application: Zone selective interlocking (1) enhances protection coordination between feeders, reducing nuisance trips and improving system uptime, especially in multi-motor drives and complex motor banks. This supports safer, more efficient startup sequences in large processing lines.
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FAQs
The EMR-4000-2A1FB1 provides 8 digital inputs, 5 digital outputs, and 4 analog outputs, with a wide voltage range (19–300 VDC / 40–250 VAC) and fiber optic Modbus/DNP3 communication. It is designed to mount in standard motor control panels and works with typical Eaton E-Series networking, simplifying replacement and upgrades without major rewiring.
Key specs include current sensing options of 5 A and 1 A phase currents, 8 DI, 5 DO, 4 AO, zero analog inputs, and support for 19–300 VDC / 40–250 VAC. It also offers IRIG-B sensitive ground input, conformal coating, and fiber optic MODBUS/DNP3 communications for enhanced reliability in industrial environments.
Yes. The EMR-4000-2A1FB1 includes a URTD Interface IRIG-B Sensitive Ground Input, enabling precise time synchronization essential for coordinated protection, metering, and event logging in power and process applications.
Ideal for motor protection and control in manufacturing lines, pumps, conveyors, and energy metering scenarios. Its fiber optic communication and metering capabilities make it well-suited for harsh environments, remote monitoring, and multi-site deployments requiring reliable data exchange and protection coordination.
Warranty follows Eaton policy 25-000: one year from installation or 18 months from shipment, whichever occurs first. For regional certifications and full support, contact Eaton to confirm regional compliance and availability of service resources.