Eaton EMR-5000-2A1GA1 Motor Relay - RS485 Modbus/DNP3
Part Number: EMR-5000-2A1GA1
Quick Summary
Eaton motor relay EMR-5000-2A1GA1 provides advanced motor protection for industrial drives. Engineers often struggle to coordinate protection, monitoring, and communication across multi-motor networks, especially in remote or space-constrained locations. Compliance details are available from the manufacturer, with typical industry standards such as CE marking and IP-rated enclosures supporting global deployment. This model combines robust protection with flexible communication and IO, delivering reliable performance for modern automation architectures while supporting scalable protection strategies and remote diagnostics. Leverage its RS485 Modbus RTU or DNP3 RTU capabilities alongside wide input ranges to reduce wiring complexity and optimize total cost of ownership for motor protection relays.
Product Information
Extended Description
EMR-5000-2A1GA1 Eaton: Eaton, motor relay, EMR-4000, 19-300 Vdc, 40-250 Vac, Motor protection relay, Modbus RTU or DNP3 RTU over D-SUB / RS485, 5A, 1A, 16, 9, Removable, Motor, D-Sub/RS-485, 19-300Vdc, 40-250Vac, 50/60 Hz, Projection,Sensitive Ground Input
Product Name
Eaton motor relay
Catalog Number
EMR-5000-2A1GA1
UPC
786679159200
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
Product Category
Motor protection relay
Base relay
EMR-4000
Analog inputs
0
Communication
Modbus RTU or DNP3 RTU over D-SUB / RS485
Phase current
5A, 1A
Analog outputs
0
Digital inputs
16
Digital outputs
9
I/O options
Sensitive Ground Input IRIG-B URTD Interface
Modbus / DNP3 RTU
D-Sub / RS-485
Sensing inputs
Power Protection and Metering Current Protection and Metering Voltage Protection and Metering Differential Protection
Zone selective interlocking
1
Frequency rating
50/60 Hz
Mounting method
Projection
Terminals
Removable
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Introduction to Eaton's E-Series Relay, Step 1: Physical Connections
Eaton Specification Sheet - EMR-5000-2A1GA1
Feature → Business Impact → Application: The EMR-5000-2A1GA1 supports Modbus RTU or DNP3 RTU over D-SUB / RS485, enabling seamless remote monitoring and integration into existing control networks, reducing field intervention time and improving outage response. Application: Industrial motor clusters and distributed drive systems where centralized supervision improves uptime. Feature → Business Impact → Application: With 16 digital inputs and 9 digital outputs, it offers extensive I/O for protective sequencing and conditional logic without extra hardware, cutting wiring errors and installation costs. Application: Complex motor protection schemes in packaging, material handling, and process lines. Feature → Business Impact → Application: The wide voltage range (19–300 VDC and 40–250 VAC) supports diverse power environments, simplifying equipment selection across facilities with varying supply characteristics. Application: OEMs and system integrators delivering turnkey motor protection. Feature → Business Impact → Application: Zone Selective Interlocking (ZSI = 1) minimizes downtime by fast-tripping the correct section, enhancing system availability in switchgear and feeder protection. Application: Large-scale motor arrays in critical processes. Feature → Business Impact → Application: Removable terminals and projection mounting streamline installation and maintenance in tight spaces and retrofit projects, reducing commissioning time and risk of wiring faults. Application: Field installations and retrofits where serviceability matters. Feature → Business Impact → Application: Sensing inputs for power, current, voltage protection, and metering deliver comprehensive protection diagnostics and energy monitoring for improved asset health and energy efficiency. Application: Utilities and factories pursuing predictive maintenance and METERING-enabled optimization.
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FAQs
Begin by de-energizing the system. Mount the unit using projection mounting, then connect field wiring to the removable terminals for both control and power inputs. Program the Modbus RTU or DNP3 RTU interface over RS-485, and confirm correct wiring of the 16 digital inputs and 9 digital outputs. Finish with a functional check and label all connections for future maintenance.
This relay supports Modbus RTU or DNP3 RTU communications over a D-Sub or RS-485 interface. This enables seamless integration with existing PLCs and SCADA systems, enabling remote monitoring, diagnostics, and coordinated protection strategies across multiple motors and drives.
Yes. The EMR-5000-2A1GA1 is designed for 50/60 Hz operation and supports a broad input range including 19–300 VDC and 40–250 VAC, making it compatible with diverse industrial motor supplies and drive configurations.
The relay provides power protection and metering, current protection and metering, voltage protection and metering, and differential protection. It also supports Zone Selective Interlocking (ZSI=1) to limit fault propagation, improving system availability and enabling faster restoration after faults.
Warranty follows Eaton policy 25-000: one year from installation or 18 months from shipment, whichever occurs first. Compliance details are available from the manufacturer, ensuring you can verify CE marking, IP ratings, or other standards for your region before procurement.