Eaton EMR-4000-2A1IA0 motor relay - Voltage & Metering
Part Number: EMR-4000-2A1IA0
Quick Summary
The Eaton EMR-4000-2A1IA0 motor relay enables reliable motor control in industrial automation and drive applications. Engineers often struggle to consolidate protection, metering, and communication in a single device, which can drive panel size up and wiring costs up. Compliance details are provided by the manufacturer, and warranty is one year from installation or eighteen months from shipment, whichever occurs first; verify current standards for your region. This model combines voltage, current, and power protection with versatile metering and remote communication options, including RS-485 Modbus and Ethernet TCP/IP. By centralizing I/O, it supports faster commissioning, improved fault diagnosis, and easier maintenance, delivering value in motor control panels, drives, and energy-management applications.
Product Information
Extended Description
EMR-4000-2A1IA0 Eaton: Eaton, motor relay, 5A, 1A, Motor, over RS-485, over Ethernet RJ-45, 19-300Vdc, 40-250Vac, Voltage Protection and Metering,Current Protection and Metering,Power Protection and Metering, Sensitive Ground Input
Product Name
Eaton motor relay
Catalog Number
EMR-4000-2A1IA0
UPC
786679146927
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
Sensitive Ground Input IRIG-B URTD Interface
Modbus / DNP3 RTU
over RS-485
Modbus / DNP3 TCP
over Ethernet RJ-45
Sensing inputs
Current Protection and Metering Voltage Protection and Metering Power Protection and Metering
Zone selective interlocking
1
Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E
Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E
Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E
Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E
Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E
Programming an Eaton E-Series Relay, Step 2: Getting Started with PowerPort-E
Eaton Specification Sheet - EMR-4000-2A1IA0
Feature: Integrated motor relay with RS-485 and Ethernet communications enables remote monitoring and centralized control, reducing wiring and panel complexity. Business impact: faster commissioning, easier diagnostics, and scalable industry-grade integration in motor control panels and machine drives. Application: suitable for panels requiring Modbus RTU and TCP/IP connectivity in automation lines. Long-tail keywords: motor relay with RS-485 Modbus RTU, Ethernet TCP/IP motor relay, remote monitoring motor protection. Feature: Eight digital inputs, five digital outputs, and four analog outputs enable local protection logic and metering without separate PLCs. Business impact: lowers system cost, minimizes wiring, and improves fault isolation. Application: machine builds and drive racks needing compact I/O consolidation. Long-tail keywords: digital inputs and outputs in motor relays, analog outputs for metering, integrated protection solutions. Feature: Voltage Protection and Metering, Current Protection and Metering, and Power Protection and Metering provide comprehensive energy and fault protection. Business impact: enhanced grid and motor safety with granular energy data for maintenance planning and energy management. Application: energy-management systems and motor-driven processes. Long-tail keywords: motor protection and metering, energy management motor relay, voltage/current/power protection. Feature: Modbus / DNP3 RTU over RS-485 and Modbus / DNP3 TCP over Ethernet RJ-45 enable seamless SCADA/EMS integration. Business impact: streamlined data exchange, improved remote diagnostics, and faster event response. Application: industrial facilities migrating to IoT-enabled monitoring. Long-tail keywords: Modbus RTU RS-485, Modbus TCP Ethernet, SCADA integration motor relay. Feature: Wide input range and protection options with URTD interface and IRIG-B sensitivity plus Zone Selective Interlocking. Business impact: superior fault coordination and precision sensing in complex motor networks. Application: critical power applications and aerospace-industry interfaces. Long-tail keywords: URTD interface, IRIG-B, Zone Selective Interlocking. Additional notes: PowerPort-E compatibility for quick configuration, plus Eaton’s datasheet and multimedia resources support fast deployment and training.
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FAQs
Yes. The EMR-4000-2A1IA0 provides 8 digital inputs, 5 digital outputs, 4 analog outputs, and supports Modbus RTU over RS-485 and Modbus TCP over Ethernet, enabling straightforward replacement or integration into standard motor control panels. Its wide DC/AC supply range and PowerPort-E compatibility simplify commissioning and panel wiring.
Key ratings include phase current of 5A and 1A, DC input range of 19-300 V and AC range of 40-250 V, plus voltage, current, and power protection with metering. It supports RS-485 Modbus RTU and Ethernet TCP/IP, enabling robust protection logic, real-time monitoring, and integration with SCADA systems.
Ideal for industrial automation, machine control, and energy-management applications that require integrated protection and metering, remote communication, and fault coordination. It suits motor control panels, drives, and systems needing zone selective interlocking and URTD/IRIG-B interfaces for precise timing and interlock operations.
Compliance details are provided by the manufacturer. The product ships with a standard warranty, and regulatory certifications should be confirmed with Eaton or the regional distributor to ensure alignment with local market requirements.
Consolidating protective functions, metering, and communications reduces part count and wiring complexity, lowering installation costs and maintenance time. Warranty coverage and access to Eaton’s datasheet, PowerPort-E resources, and multimedia tutorials support faster deployment and longer lifecycle return on investment.