Eaton EMR-4000-2A1HB1 Motor Relay - Ethernet RJ-45

Part Number: EMR-4000-2A1HB1
EMR-4000-2A1HB1
Manufacturer
Eaton
Part number
EMR-4000-2A1HB1
Category

Quick Summary

Eaton motor relay EMR-4000-2A1HB1 provides intelligent motor protection and control for industrial drives. Operators often face integration headaches, limited visibility, and uneven protection across motor fleets, which can lead to unexpected downtime. While this device’s Ethernet interfaces and sensor suite simplify data sharing and fault detection, thorough validation with Eaton’s certifications is recommended to confirm CE marking, IP-related protection, and SIL compatibility. The solution also leverages enterprise-grade metering and zone-selective capabilities to support safer, more efficient operations, while enabling seamless integration with automation platforms and remote monitoring workflows. In short, it combines robust protection with clear visibility to drive plant-wide productivity and lower operating costs.

Product Information

Extended Description

EMR-4000-2A1HB1 Eaton: Eaton, motor relay, 5A, 1A, Motor, over Ethernet RJ-45, over Ethernet RJ-45, Conformal Coated Circuit Boards, 19-300Vdc, 40-250Vac, Power Protection and MeteringSensitive Ground Input,
Product Name
Eaton motor relay
Catalog Number
EMR-4000-2A1HB1
UPC
786679147320
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
IEC 61850
over Ethernet RJ-45
Modbus / DNP3 TCP
over Ethernet RJ-45
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 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-4000-2A1HB1
Feature → Business Impact → Application: The EMR-4000-2A1HB1 integrates 8 digital inputs, 5 digital outputs, and 4 analog outputs, enabling flexible control and signaling directly at the motor relay scope. This reduces panel wiring, accelerates commissioning, and improves fault diagnosis in packaging lines or conveyor systems. Feature → Business Impact → Application: Ethernet interfaces on RJ-45 support IEC 61850, Modbus TCP, and DNP3, delivering streamlined network integration and remote supervision across distributed drives and substations. This lowers engineering effort and enhances fleet management in water treatment, utilities, and manufacturing. Feature → Business Impact → Application: Power protection and metering sensing inputs provide current and voltage awareness, enabling precise motor protection strategies and energy monitoring for KPIs in industrial automation. Feature → Business Impact → Application: Conformal coating and rugged construction increase reliability in harsh factory environments, reducing maintenance and extending service intervals in metals, chemicals, and heavy machinery. Feature → Business Impact → Application: I/O options like Sensitive Ground Input, IRIG-B, URTD Interface enable synchronization, ground fault protection, and advanced timing, supporting high-availability drives in critical processes such as chemical batching and mining. Feature → Business Impact → Application: Zone Selective Interlocking increases fault isolation speed, improving personnel safety and minimizing production interruption in high-power motor installations in steel mills and paper mills.

Get a Quick Quote for a Eaton EMR-4000-2A1HB1

Chat with us on WhatsApp - fast responses guaranteed

Need to speak with someone? We'll call you back within 2 hours during business hours

Interested in Eaton EMR-4000-2A1HB1? Enquire Now

FAQs

Begin with the main power and motor connections, following the device's voltage range of 19-300 VDC or 40-250 VAC. Use the 8 digital inputs, 5 digital outputs, and 4 analog outputs to interface with your PLC or DCS. Ensure proper grounding, secure RJ-45 Ethernet connectivity for IEC 61850, Modbus, and DNP3, and apply conformal coating if the environment is humid or dusty. For safe commissioning, reference Eaton’s installation guidelines and verify compatibility with your control panel’s layout to minimize loop area and signal interference.
The EMR-4000-2A1HB1 supports phase currents of 5 A and 1 A, with a broad voltage range of 19-300 VDC and 40-250 VAC. It provides motor protection and metering across power, current, and voltage protection and metering, enabling accurate fault detection and energy monitoring. When designing protection schemes, factor in zone selective interlocking to reduce fault clearing times and limit damage to nearby equipment.
Yes, it is designed for industrial motor protection with Ethernet-based interoperability. It supports IEC 61850 over Ethernet RJ-45, as well as Modbus and DNP3 TCP, enabling seamless integration with modern control systems, PLCs, and SCADA. For critical applications, pair it with zone selective interlocking to improve fault isolation and safety in high-power drives used in mills, refineries, and large manufacturing lines.
Compliances are indicated as manufacturer-driven in the data, so confirm CE marking, IP protection level, and SIL compatibility directly with Eaton or an authorized distributor. In practice, verify local regulatory requirements for electrical equipment in your region and obtain Eaton’s official certification documentation prior to installation to ensure full regulatory alignment.
The motor relay consolidates protection, metering, and control at the device level, reducing wiring complexity and panel footprint. This translates to faster commissioning, lower installation costs, and easier diagnostics, leading to reduced downtime and improved OEE. Ongoing benefits include remote monitoring via Ethernet and extended service intervals thanks to conformal coating and robust construction.