Eaton EMR-5000-2B0KB0 Motor Relay - Differential Protection
Part Number: EMR-5000-2B0KB0
Quick Summary
The Eaton EMR-5000-2B0KB0 motor relay is a configurable protection device for industrial motors, delivering advanced motor protection with sensing, metering, and control in a compact package. For engineers and maintenance teams, integrating protection with downstream controls can be a source of nuisance trips and downtime if wiring and communication paths aren’t robust. This model supports industry-standard communications, including IEC 61850 over LC fiber and Modbus TCP/DNP3 TCP, with IRIG-B timing for synchronized events. Certification details should be confirmed with Eaton, including CE, SIL or IP ratings where required, while the device uses standard wiring and two analog inputs to simplify commissioning. Leveraging these features translates to safer operation, easier remote monitoring, and lower total cost of ownership for motor protection installations.
Product Information
Extended Description
EMR-5000-2B0KB0 Eaton: Eaton, motor relay, EMR-4000, 19-300 Vdc, 40-250 Vac, Motor protection relay,5A, 1A, 8, 9, Removable, Motor,Conformal Coated Circuit Boards, 19-300Vdc, 40-250Vac, 50/60 Hz Differential ProtectionPower Protection and Metering
Product Name
Eaton motor relay
Catalog Number
EMR-5000-2B0KB0
UPC
786679158968
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
IRIG-B URTD Interface
IEC 61850
over LC duplex fiber optic Ethernet
Modbus / DNP3 TCP
over LC duplex fiber optic Ethernet
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-5000-2B0KB0
Feature → Business Impact → Application: The EMR-5000-2B0KB0 includes two analog inputs and two analog outputs, enabling real-time current, voltage, and metering data to be collected without extra hardware. This reduces panel space needs and enables precise protection decisions, improving startup reliability for motor protection relay applications. Feature → Business Impact → Application: Eight digital inputs and nine digital outputs provide comprehensive I/O for remote signaling and interlock schemes. The result is faster fault isolation and reduced wiring complexity in factory automation and power distribution panels. Feature → Business Impact → Application: IEC 61850 over LC duplex fiber Ethernet, plus Modbus TCP/DNP3 TCP, delivers robust, standards-based communication for substation-level integration and plant-wide monitoring, boosting interoperability and predictive maintenance programs. Feature → Business Impact → Application: IRIG-B interface supports precise time synchronization, enabling accurate event logging and coordinated protection actions across multiple devices in critical power systems. Feature → Business Impact → Application: Removable terminals and a base compatible with EMR-4000 facilitate flexible installation, faster field upgrades, and easier retrofits in existing motor protection schemes. Feature → Business Impact → Application: Conformal-coated circuit boards and a 50/60 Hz frequency rating ensure resilience in harsh industrial environments, supporting reliable operation in manufacturing floors, data centers, and processing plants. Feature → Business Impact → Application: Differential protection and zone selective interlocking (ZSI) capabilities reduce miscoordination trips and improve selective coordination in distribution feeders, enhancing system uptime and worker safety across energy-intensive facilities.
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FAQs
This model is designed to slot onto the EMR-4000 base, sharing the same form factor and removable terminal design. During installation, connect the eight digital inputs, nine digital outputs, and two analog inputs to the motor protection circuit, then secure the module to the base. The removable terminals simplify field wiring, permit easy rework, and reduce commissioning time, while the semi-flush mounting helps maintain a clean panel layout and consistent clearance for ventilation and cable management.
EMR-5000-2B0KB0 supports IEC 61850 over LC duplex fiber for substation-grade Ethernet, and Modbus TCP/DNP3 TCP over fiber for secure plant-wide integration. It also offers IRIG-B timing for synchronized event logging. This combination enables seamless data sharing with SCADA, HMIs, and protection schemes, reducing integration risk and improving fault analysis across industrial networks.
The relay includes current, voltage, and differential protection with metering capabilities, enabling accurate fault detection and fast isolation of faulty motor or circuit conditions. Zone selective interlocking further reduces nuisance trips by coordinating breaker actions across feeders. Together, these features minimize unplanned downtime, improve safety, and support compliant protection strategies in heavy-industry motor drives.
Yes, EMR-5000-2B0KB0 is designed with compatibility to the EMR-4000 base, enabling straightforward upgrades within the same family. This means field upgrades can be performed without a full panel redesign, preserving existing wiring schematics and reducing downtime during replacement or strategy updates. Removable terminals also simplify substitution and rework in legacy installations.
The EMR-5000-2B0KB0 follows Eaton’s policy 25-000, offering a one-year warranty from installation or an eighteen-month warranty from shipment, whichever occurs first. For regulatory compliance and certification specifics (CE, SIL, IP), confirm with Eaton’s technical support or your local distributor. Eaton provides product datasheets, application notes, and access to service resources to support installation, commissioning, and ongoing maintenance.