Eaton motor relay EMR-5000-2B1CB0 - Differential Protection

Part Number: EMR-5000-2B1CB0
EMR-5000-2B1CB0
Manufacturer
Eaton
Part number
EMR-5000-2B1CB0
Category

Quick Summary

Eaton motor relay EMR-5000-2B1CB0 is a motor protection device designed to safeguard industrial motors and drives. It helps prevent nuisance trips and unplanned downtime by delivering precise sensing and configurable protection settings for reliable operation. While exact certifications vary by region, this family is commonly aligned with standard industrial requirements; confirm CE, SIL, and IP ratings with Eaton for the exact configuration. The solution also features Ethernet connectivity through Modbus TCP or DNP3 TCP/UDP, enabling seamless integration with PLCs and SCADA. By combining robust protection with remote monitoring and metrology, this device supports data-driven maintenance and faster fault diagnosis, delivering measurable business value for uptime and maintenance planning.

Product Information

Extended Description

EMR-5000-2B1CB0 Eaton: Eaton, motor relay, EMR-4000, 19-300 Vdc, 40-250 Vac, Motor protection relay,5A, 1A, 8, 9, Removable, Motor, over Ethernet RJ-45,19-300Vdc, 40-250Vac, 50/60 Hz ,Differential Protection, Sensitive Ground Input
Product Name
Eaton motor relay
Catalog Number
EMR-5000-2B1CB0
UPC
786679159224
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 TCP or DNP3 TCP/UDP over Ethernet RJ45
Phase current
5A, 1A
Analog outputs
2
Digital inputs
8
Digital outputs
9
I/O options
Sensitive Ground Input URTD Interface IRIG-B
Modbus / DNP3 RTU
over Ethernet RJ-45
Sensing inputs
Current Protection and Metering Power Protection and Metering Voltage Protection and Metering Differential Protection
Zone selective interlocking
1
Frequency rating
50/60 Hz
Mounting method
Semi-flush
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-5000-2B1CB0 Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: The EMR-5000-2B1CB0 provides extensive I/O (eight digital inputs, nine digital outputs, two analog inputs, two analog outputs) which enables comprehensive motor protection and direct plant communication, reducing wiring complexity and installation time in new panels or retrofit projects. This translates to faster commissioning and lower total installed cost when used in packaging lines or conveyor systems that require multi-point monitoring. Feature → Business Impact → Application: Modbus TCP or DNP3 over Ethernet RJ45 offers straightforward integration with existing SCADA systems, enabling remote fault alerts and centralized protection settings, which cut maintenance trips and improve overall equipment effectiveness (OEE) in manufacturing cells. Feature → Business Impact → Application: Sensing inputs including current, voltage, differential protections and metering provide precise protection and energy monitoring, supporting compliance reporting and optimization of motor runtime in pumps and fans. Feature → Business Impact → Application: Zone selective interlocking (1) optimizes tripping within motor arrays, limiting downtime to the affected path and enabling faster restoration in multi-motor drives such as hoists or material handling lines. Feature → Business Impact → Application: Removable terminals and a semi-flush mounting method simplify field servicing and retrofits, reducing maintenance windows and enabling clean, professional panel layouts for food processing, metalworking, or petrochemical facilities. Feature → Business Impact → Application: Compatibility with the EMR-4000 base relay provides a proven upgrade path for existing installations, lowering risk and accelerating modernization of legacy motor protection schemes for conveyors and compressors.

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FAQs

Install the EMR-5000-2B1CB0 using the removable terminals for quick field wiring. Connect Modbus TCP or DNP3 over Ethernet RJ45 to your PLC/SCADA network and configure the two analog inputs/outputs along with the eight digital inputs and nine digital outputs for your motor protection scheme. The semi-flush mounting aids compact panel layouts and heat management.
The device includes current protection and metering, voltage protection and metering, differential protection, and zone selective interlocking. These features enable precise fault detection, selective tripping, and energy monitoring, reducing nuisance trips and enabling faster fault diagnosis in motor drives such as pumps, fans, and conveyors.
Yes. EMR-5000-2B1CB0 supports Modbus TCP or DNP3 TCP/UDP over Ethernet RJ45, allowing seamless integration with standard automation architectures. This compatibility facilitates remote monitoring, centralized protection management, and data analytics without replacing existing control hardware.
Plan for semi-flush mounting with removable terminals to simplify maintenance and future upgrades. Ensure adequate space for heat dissipation, and route Ethernet and field wiring to minimize interference. The device’s I/O density supports integration with complex motor protection schemes in compact control panels.
By reducing nuisance trips, enabling rapid fault isolation, and providing remote visibility, the EMR-5000-2B1CB0 lowers maintenance costs and unplanned downtime. Its compatibility with EMR-4000 and Ethernet-based communication supports scalable upgrades, improving overall equipment effectiveness and return on investment in motor-driven processes.