Eaton EMR-5000-2B1FB1 Motor Relay - Modbus RTU over Fiber
Part Number: EMR-5000-2B1FB1
Quick Summary
The Eaton motor relay EMR-5000-2B1FB1 provides robust motor protection and remote control for industrial drives. Engineers often struggle with integrating protection logic without adding wiring complexity or downtime. Certification details are to be confirmed with the manufacturer; typical standards include CE, SIL, and IP ratings depending on application, so verify for your facility. With 2 analog inputs, 2 analog outputs, 8 digital inputs and 9 digital outputs, plus Modbus RTU or DNP3 RTU over fiber, it supports scalable, secure control and monitoring. This combination translates into improved uptime, simplified maintenance, and faster fault isolation, delivering tangible value for engineering teams and procurement.
Product Information
Extended Description
EMR-5000-2B1FB1 Eaton: Eaton, motor relay, EMR-4000, 19-300 Vdc, 40-250 Vac, Motor protection relay, Modbus RTU or DNP3 RTU , 5A, 1A, 8, 9, Removable, Motor, 19-300Vdc, 40-250Vac, 50/60 Hz, Projection,Sensitive Ground Input
Product Name
Eaton motor relay
Catalog Number
EMR-5000-2B1FB1
UPC
786679159576
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
2
Communication
Modbus RTU or DNP3 RTU over Fiber Optic ST
Phase current
5A, 1A
Analog outputs
2
Digital inputs
8
Digital outputs
9
I/O options
URTD Interface Sensitive Ground Input IRIG-B
Modbus / DNP3 RTU
over fiber optic ST
Sensing inputs
Voltage Protection and Metering Power Protection and Metering Current Protection and Metering Differential Protection
Zone selective interlocking
1
Frequency rating
50/60 Hz
Mounting method
Projection
Terminals
Removable
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-5000-2B1FB1
Feature: Modbus RTU or DNP3 RTU over fiber optic ST enables secure, EMI-free communication between the relay and the PLC. Business Impact: Reduces wiring, improves fault isolation, and enhances remote diagnostics for less downtime. Application: Ideal for centralized motor protection in long-fiber plant segments where interference is a concern. Feature: Wide dynamic input/output options—2 analog inputs, 2 analog outputs, 8 digital inputs, 9 digital outputs. Business Impact: Flexible protection schemes and richer control logic without adding devices, lowering panel complexity and integration costs. Application: Suitable for complex motor protection and metering in multi-motor applications. Feature: Sensing and protection suite includes Voltage, Current, Power, and Differential protection with Zone Selective Interlocking. Business Impact: Faster fault detection and selective tripping improves process continuity and reduces collateral damage. Application: Critical motors in batch and continuous processes. Feature: Broad power range 19-300 Vdc and 40-250 Vac with 50/60 Hz support. Business Impact: Single relay covers diverse drive configurations, reducing spare parts and stocking needs. Application: Mixed motor fleets and retrofit projects. Feature: Projection mounting and removable terminals streamline installation and maintenance. Business Impact: Faster upgrades and easier field servicing, cutting downtime during commissioning. Application: New builds and retrofits in machine centers and packaging lines. Feature: Base compatibility with EMR-4000 and URTD Interface with Sensitive Ground Input; IRIG-B option enhances time synchronization. Business Impact: Seamless migration paths and precise time-based data logging for audit trails. Application: Substantial for energy management and process control in regulated environments.
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FAQs
Installation requires projection mounting and removable terminals for quick wiring access. Plan for 19-300 Vdc or 40-250 Vac supply, 50/60 Hz operation, and fiber optic ST communication. Ensure correct grounding and secure fiber connections, then initialize the relay with the same Modbus RTU or DNP3 RTU protocol as your PLC for seamless integration.
The relay includes voltage, current, power, and differential protection with zone selective interlocking. It offers metering inputs/outputs and supports 2 analog inputs, 2 analog outputs, 8 digital inputs, and 9 digital outputs, enabling comprehensive protection schemes and precise fault localization for motors and drives.
Yes. The device supports Modbus RTU or DNP3 RTU over fiber optic ST, which provides secure, EMI-resistant communication over longer distances. This makes it suitable for centralized control rooms and distributed motor protection in large facilities.
Warranty is Eaton’s standard policy: one year from installation or eighteen months from shipment, whichever occurs first. Compliance details are listed as 'Contact Manufacturer'—confirm specific certifications (such as CE, IP, or SIL) with Eaton for your application and region.
Typical use cases include motor protection for drives in packaging lines, conveyors, and pumps; remote monitoring of motor fleets via fiber communication; zone selective interlocking for rapid fault isolation; and retrofit projects where EMR-4000 compatibility is advantageous, enabling a smooth migration path and unified protection strategy.