Eaton motor relay EMR-4000-2A0IB1 - RS-485 & Ethernet Control
Part Number: EMR-4000-2A0IB1
Quick Summary
Eaton motor relay EMR-4000-2A0IB1 is a high-performance motor relay designed for intelligent motor control in industrial automation and drive panels. This device optimizes start/stop sequencing and protects critical motors in demanding environments. Engineers often struggle with integrating multi-communication interfaces and ensuring reliable protection for voltage, current, and metering within compact footprints. The EMR-4000-2A0IB1 addresses these challenges with Modbus over RS-485 and DNP3 TCP over Ethernet, plus conformal coated circuitry for harsh settings. Note: public CE, IP, and SIL certifications vary by region; confirm status with Eaton. Business value includes reduced wiring, improved diagnostics, faster commissioning, and lifecycle cost savings through integrated protection and metering features.
Product Information
Extended Description
EMR-4000-2A0IB1 Eaton: Eaton, motor relay, 5A, 1A, Motor, over RS-485, over Ethernet RJ-45, Conformal Coated Circuit Boards, 19-300Vdc, 40-250Vac, Power Protection and Metering,Voltage Protection and Metering,Current Protection and Metering,
Product Name
Eaton motor relay
Catalog Number
EMR-4000-2A0IB1
UPC
786679147771
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
Modbus / DNP3 RTU
over RS-485
Modbus / DNP3 TCP
over Ethernet RJ-45
Sensing inputs
Power Protection and Metering Voltage Protection and Metering Current Protection and Metering
Zone selective interlocking
1
Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E
Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E
Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E
Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E
Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E
Interfacing with an Eaton E-Series Relay, Step 5: Monitoring with PowerPort-E
Eaton Specification Sheet - EMR-4000-2A0IB1
Feature → Business Impact → Application: RS-485 Modbus RTU and Ethernet TCP communications enable centralized control and remote diagnostics, reducing panel wiring and easing integration in multi-drive systems. Application: motor control panels and automation racks where remote monitoring accelerates fault isolation and maintenance planning. Feature → Business Impact → Application: Eight digital inputs, five digital outputs, and four analog outputs provide rich local sensing and actuation without expanding the control cabinet size. Application: motor protection schemes and local control loops for pumps, fans, and conveyors. Feature → Business Impact → Application: Conformal coated circuit boards and rugged construction improve reliability in harsh environments, lowering field service costs and extending mean time between failures. Application: outdoor substations, chemical plants, and processing facilities. Feature → Business Impact → Application: Wide voltage range 19-300 Vdc and 40-250 Vac supports mixed motor fleets, enabling a single relay to cover DC and AC drive architectures. Application: mixed-tone automation floors and retrofit projects. Feature → Business Impact → Application: Zone selective interlocking enabled by a single unit improves coordination and reduces overlap in multi-feeder startups. Application: feeder management in large machines and packaging lines. Feature → Business Impact → Application: URTD Interface IRIG-B and standard Modbus/DNP3 interfaces streamline integration with existing control hierarchies. Application: legacy systems modernization and scalable plant-wide monitoring.
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