Eaton EMR-5000-2B1IB0 Motor Relay - RS-485 & Ethernet
Part Number: EMR-5000-2B1IB0
Quick Summary
Eaton motor relay EMR-5000-2B1IB0 provides advanced motor protection and control for industrial drive systems. Engineers often grapple with coordinating protection across RS-485 and Ethernet networks without compromising reliability. Compliances are managed by the manufacturer, with CE, UL and IP-rated options typically considered in deployment configurations to meet regional requirements. By consolidating sensing, protection, and communication in a single device, you can reduce wiring complexity, streamline maintenance, and improve asset uptime, all while enabling tighter integration with existing automations and fieldbus networks. This model supports modern manufacturing needs and scalable control architectures for OEMs and end users alike.
Product Information
Extended Description
EMR-5000-2B1IB0 Eaton: Eaton, motor relay, EMR-4000, 19-300 Vdc, 40-250 Vac, Motor protection relay,5A, 1A, 8, 9, Removable, Motor, over RS-485, over Ethernet RJ-45, Conformal Coated Circuit Boards, 19-300Vdc, 40-250Vac, 50/60 Hz Sensitive Ground Input,
Product Name
Eaton motor relay
Catalog Number
EMR-5000-2B1IB0
UPC
786679159903
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
Phase current
5A, 1A
Analog outputs
2
Digital inputs
8
Digital outputs
9
I/O options
Sensitive Ground Input IRIG-B URTD Interface
Modbus / DNP3 RTU
over RS-485
Modbus / DNP3 TCP
over Ethernet RJ-45
Sensing inputs
Voltage Protection and Metering Current Protection and Metering Differential Protection Power 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-5000-2B1IB0
Feature → Business Impact → Application: Flexible I/O set (2 analog inputs, 2 analog outputs, 8 digital inputs, 9 digital outputs) enables centralized motor protection and status reporting, reducing panel wiring and enabling faster commissioning in motor control centers. This translates to measurable efficiency gains during startup and simplified troubleshooting in conveyors and packaging lines. Feature → Business Impact → Application: Dual communication paths (RS-485 Modbus RTU and Ethernet TCP) empower remote monitoring, diagnostics, and integration with SCADA systems, lowering on-site service visits and improving total cost of ownership in remote substations and warehousing automation. Feature → Business Impact → Application: Comprehensive sensing suite (voltage, current, differential, power protection and metering) plus zone selective interlocking enhances fault isolation accuracy, improving MTBF and reducing downtime in critical motors. Feature → Business Impact → Application: Conformal coated circuitry and rugged construction support reliable operation in harsh industrial environments, with 50/60 Hz operation and wide electrical ratings (19-300 Vdc, 40-250 Vac) enabling easy migration from legacy relays in mixed-voltage plants. Feature → Business Impact → Application: Removable terminals and semi-flush mounting simplify installation, service, and expansion within tight MCC panels, while compatibility with EMR-4000 bases provides a smooth upgrade path for legacy systems. In practice, these design choices lower lifecycle costs, improve regulatory alignment, and support faster ROI for OEMs and maintenance teams.
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FAQs
The EMR-5000-2B1IB0 uses removable terminals and a semi-flush mounting method, designed for straightforward integration into existing motor control centers. It is compatible with the EMR-4000 base and supports 50/60 Hz operation with voltage ranges of 19-300 Vdc and 40-250 Vac. Wiring should follow the device's I/O map to ensure proper analog/digital inputs and Modbus/Ethernet communication are correctly configured for the control network.
This relay delivers voltage, current, differential, and power protection with metering capabilities, plus zone selective interlocking (ZSI) to improve fault localization. The combination enhances protection accuracy, reduces nuisance trips, and enables faster fault isolation in demanding motor drives and power systems.
Yes. The device supports Modbus over Ethernet (TCP) and RS-485, enabling seamless integration with SCADA and industrial automation platforms. This supports remote diagnostics, event logging, and centralized control, which reduces on-site visits and improves asset visibility across distributed facilities.
Compliances are managed by the manufacturer and may vary by region and configuration. Typical deployments consider CE, UL, and IP-rated options where required. When selecting this model, verify your regional approvals with the supplier to ensure the specific variant meets all applicable regulatory and safety standards.
The EMR-5000-2B1IB0 measures approximately 8.06 in (L) Ă— 8.7 in (H) Ă— 9.72 in (W) and weighs about 9.259 lb. It uses removable terminals and is designed for semi-flush mounting. It supports EMR-4000 base compatibility, 50/60 Hz operation, and a wide input range (19-300 Vdc / 40-250 Vac), making it suitable for upgrading older motor protection relays in mixed-voltage panels.