Eaton EMR-5000-2A1CA0 Motor Relay - Modbus TCP
Part Number: EMR-5000-2A1CA0
Quick Summary
The Eaton EMR-5000-2A1CA0 motor relay protects and monitors motors in industrial drive systems. Operators often struggle with false trips, slow fault isolation, and wiring complexity; this device addresses those challenges with integrated protection, metering, and remote communication. While exact certifications should be confirmed with the manufacturer, motors protection relays in this class commonly align with industry CE expectations and durable enclosure practices to suit harsh environments. Designed for scalable motor protection, it supports Modbus TCP or DNP3 over Ethernet, and it integrates with EMR-4000 base configurations. This combination delivers reliability, visibility, and ease of maintenance—key value add for industrial automation and power management initiatives.
Product Information
Extended Description
EMR-5000-2A1CA0 Eaton: Eaton, motor relay, EMR-4000, 19-300 Vdc, 40-250 Vac, Motor protection relay,5A, 1A, 16, 9, Removable, Motor, over Ethernet RJ-45, 19-300Vdc, 40-250Vac, 50/60 Hz Power Protection and Metering,
Product Name
Eaton motor relay
Catalog Number
EMR-5000-2A1CA0
UPC
786679158913
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 TCP or DNP3 TCP/UDP over Ethernet RJ45
Phase current
5A, 1A
Analog outputs
0
Digital inputs
16
Digital outputs
9
I/O options
Sensitive Ground Input URTD Interface IRIG-B
Modbus / DNP3 RTU
over Ethernet RJ-45
Sensing inputs
Power Protection and Metering Differential Protection Voltage Protection and Metering Current Protection and Metering
Zone selective interlocking
1
Frequency rating
50/60 Hz
Mounting method
Semi-flush
Terminals
Removable
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-5000-2A1CA0
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: Modbus TCP or DNP3 over Ethernet RJ45 enables seamless SCADA integration and remote diagnostics, reducing mean time to repair and improving asset health tracking in your plant. This translates to faster fault localization and fewer unplanned outages in motor fleets used across packaging, metals, and process industries. Feature → 16 digital inputs and 9 digital outputs provide rich I/O for motor protection logic, status monitoring, and interlocking schemes, delivering tighter control loops and higher overall equipment effectiveness (OEE). Application: motor protection relays in conveyor lines or pump stations with centralized monitoring. Feature → 19–300 Vdc and 40–250 Vac operation with 50/60 Hz support covers diverse control sources, simplifying wiring schemes and enabling mixed-voltage installations. Application: flexible integration in multi-drive environments without additional power supplies. Feature → Removable terminals and compatibility with EMR-4000 base relay streamline installation, field wiring, and maintenance, reducing replacement downtime. Application: retrofit projects and spare-part planning. Feature → Power protection and metering, differential, voltage, and current protection/sensing capabilities deliver measurable performance insights, enabling precise protection settings and energy auditing. Application: commissioning and compliance reporting in utility-intensive industries. Feature → Zone selective interlocking and 1-unit interlock logic reduce switching transients and improve protection coordination, supporting safer startup/shutdown sequences in multi-motor drives. Application: critical in wind, oil & gas, and manufacturing lines needing coordinated protection. The design emphasizes durability, interoperability with modern Ethernet-based control systems, and a path to future-proof motor protection strategies.
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FAQs
The EMR-5000-2A1CA0 is designed to accompany or replace the EMR-4000 base relay. Look for compatibility with removable terminals and ensure the base housing is suitable for semi-flush mounting. Wiring should leverage the 16 digital inputs and 9 outputs while preserving the integrity of Modbus TCP or DNP3 communications. Verify clearance, mounting rails, and enclosure rating in your control cabinet to minimize heat and vibration effects on performance.
This model provides comprehensive protection across voltage and current domains, including power protection and metering, differential protection, and current protection with metering. The 5A and 1A phase current ratings support a range of motor sizes, while built-in metering supports energy use analysis. In high-duty environments, configure zone selective interlocking to optimize fault clearance and reduce downtime.
Yes. The EMR-5000-2A1CA0 supports Modbus TCP or DNP3 TCP/UDP over Ethernet RJ45, enabling straightforward integration with modern SCADA and DCS systems. This allows remote monitoring, trend analysis, and centralized protection logic, helping operators implement proactive maintenance and faster fault isolation across motor networks.
Compliances are listed as Contact Manufacturer for this model. In practice, verify CE markings and enclosure IP ratings with Eaton for your facility’s regulatory and environmental requirements, and confirm any industry-specific certifications (such as SIL) that may apply to your safety system. Always request the latest datasheet and installation guide to ensure your site meets all standards.
By consolidating protection, metering, and remote communication in a single device, the EMR-5000-2A1CA0 reduces unplanned outages and accelerates fault diagnosis, delivering lower downtime costs. The rich I/O and Ethernet connectivity enable centralized monitoring and trend-based maintenance, improving asset utilization and potentially lowering energy waste across motor-driven processes.