Eaton EMR-5000-2A1KB1 Motor Relay - IEC 61850

Part Number: EMR-5000-2A1KB1
Manufacturer
Eaton
Part number
EMR-5000-2A1KB1

Quick Summary

Eaton motor relay EMR-5000-2A1KB1 provides advanced motor protection for industrial drives. Engineers often contend with complex protection schemes across multiple motors and feeders, which can cause downtime during commissioning or maintenance. This unit combines differential protection, current protection and metering, and power protection with IEC 61850 communications over fiber, plus Modbus/DNP3 TCP options for seamless SCADA integration. The result is faster deployment, reduced outage duration, and a clearer path to regulatory compliance, while supporting flexible motor protection relays in automated plant environments. Built for rugged industrial settings, the EMR-5000-2A1KB1 offers rugged construction and a one-year warranty as part of Eaton's service policy. With removable terminals and projection mounting, installation is straightforward for panel builders and field technicians alike.

Product Information

Extended Description

EMR-5000-2A1KB1 Eaton: Eaton, motor relay, EMR-4000, 19-300 Vdc, 40-250 Vac, Motor protection relay,5A, 1A, 16, 9, Removable, Motor, 19-300Vdc, 40-250Vac, 50/60 Hz, Projection, Differential Protection,Power Protection and MeteringSensitive Ground Input
Product Name
Eaton motor relay
Catalog Number
EMR-5000-2A1KB1
UPC
786679159637
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
Phase current
5A, 1A
Analog outputs
0
Digital inputs
16
Digital outputs
9
I/O options
Sensitive Ground Input URTD Interface IRIG-B
IEC 61850
over LC duplex fiber optic Ethernet
Modbus / DNP3 TCP
over LC duplex fiber optic Ethernet
Sensing inputs
Differential Protection Current Protection and Metering Power Protection and Metering Voltage Protection and Metering
Zone selective interlocking
1
Frequency rating
50/60 Hz
Mounting method
Projection
Terminals
Removable
Integrated Protection Suite → Reduces fault energy and improves equipment reliability, enabling precise diagnostics across motor banks in heavy industry. Applications include large drives in mining, steel, and process plants where uptime directly impacts production. Flexible I/O and protection coverage ensure quick fault isolation and faster maintenance cycles. Application: motor control centers and packaged drives seeking enhanced protection without complex re-wiring. IEC 61850 and Modbus/DNP3 TCP over fiber optic Ethernet → Enables seamless SCADA integration, secure communications, and remote monitoring. This is ideal for substations and automated plants that require real-time data and interoperability. Application: power distribution networks and plant automation systems needing standards-based integration. EMR-4000 Base Relay compatibility → Provides a cost-effective retrofit path, allowing legacy installations to upgrade protection logic without full system replacement. Application: upgrading existing protection schemes in aging facilities. Projection mounting and removable terminals → Simplify installation, service, and field updates while maintaining robust mechanical integrity. Application: panel assemblies and enclosed control rooms in harsh environments. I/O options including Sensitive Ground Input URTD Interface IRIG-B → Support precise grounding, timing, and synchronization for complex protection schemes. Application: critical processes requiring accurate fault timing and data alignment in industrial power networks. Zone selective interlocking and 50/60 Hz operation → Reduces arc energy during faults and aligns with typical industrial power systems. Application: large motors and feeding networks where selective tripping increases safety and reduces downtime.

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FAQs

Installation with the EMR-4000 base relay follows Eaton's retrofit guidelines: align mounting with projection hardware, use removable terminals for quick wiring, and migrate protection logic without replacing existing switchgear. This approach minimizes downtime during upgrade and preserves factory-proven protection schemes while enabling newer communication capabilities like IEC 61850.
The device supports 19-300 Vdc and 40-250 Vac inputs, operates at 50/60 Hz, and offers 5 A and 1 A current sensing on the phase inputs. With 16 digital inputs and 9 digital outputs, it provides flexible control and metering capabilities suitable for industrial motor protection and monitoring within standard plant power architectures.
Yes. The EMR-5000-2A1KB1 communicates via IEC 61850 over LC duplex fiber as well as Modbus and DNP3 TCP over fiber, enabling robust, standards-based integration with SCADA and automation networks. This supports remote monitoring, alarming, and coordinated protection across distributed motor systems.
Zone selective interlocking is supported (1). This feature minimizes arc energy by coordinating tripping within a zone, shortening fault clearance times and reducing mechanical and electrical stress on motors and feeders. It’s particularly beneficial in high-power motor installations where fast, selective fault isolation lowers downtime and equipment wear.
Warranty follows Eaton Selling Policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. Eaton provides product datasheets, configuration guidance, and access to official specification sheets and policy documents to assist with troubleshooting, commissioning, and ongoing maintenance.