Eaton generator relay EGR-5000 - D-Sub RS-485 Modbus

Part Number: EGR-5000-2B1GA1
Manufacturer
Eaton
Part number
EGR-5000-2B1GA1

Quick Summary

Eaton generator relay EGR-5000 is a protection relay designed for generator protection in industrial power systems. Engineers often struggle with reliable protection and seamless fault isolation under fluctuating loads and diverse plant conditions. Certification status varies by market; contact Eaton to confirm CE, SIL, or IP ratings applicable to your installation. This solution integrates Modbus RTU and DNP3 RTU over RS-485 with flexible IO, delivering reduced downtime and clearer diagnostics. By enabling scalable generator protection across 50/60 Hz operation and wide input ranges, it supports both legacy and modern generators. In practice, procurement teams benefit from standardized interfaces and a clear warranty policy.

Product Information

Extended Description

EGR-5000-2B1GA1 Eaton: Eaton, generator relay, EGR-5000, Generator protection relay, Modbus RTU or DNP3 RTU over D-SUB / RS485, 5A, 1A, 40-250 Vac, 19-300 Vdc, 8, 9,Generator, D-Sub / RS-485, 19-300Vdc, 40-250Vac, 50/60 Hz, Projection,Sensitive Ground Input
Product Name
Eaton generator relay
Catalog Number
EGR-5000-2B1GA1
UPC
786679147887
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
Generator
Type
Generator relay
Product Category
Generator protection relay
Analog inputs
2
Analog outputs
2
Base relay
EGR-5000
Conformal coating
None
Current sensing inputs
2
Digital inputs
8
Digital outputs
9
I/O options
URTD Interface Sensitive Ground Input IRIG-B Trip Coil Monitor
Modbus / DNP3 RTU
D-Sub / RS-485
Phase current
5A, 1A
Sensing inputs
Current Protection and Metering Differential Protection Voltage Protection and Metering Power Protection and Metering
Zone selective interlocking
1
Number of inputs
8
Number of outputs
9
Power supply range
19-300Vdc, 40-250Vac
Power consumption
40-250 Vac, 19-300 Vdc
Frequency rating
50/60 Hz
Mounting method
Projection
Terminals
Removable
Voltage sensing inputs
1
Feature: 8 digital inputs provide comprehensive status monitoring and start/stop sequencing. Business Impact: Improves fault detection, enables early alarms, and reduces manual intervention, leading to faster recovery times in critical generator sets. Application: Ideal for parallel generator configurations and remote monitoring scenarios where visibility of switchgear states is essential. Feature: 9 digital outputs allow direct control of relays, alarms, and governor signals. Business Impact: Simplifies control strategies, improves coordination with automatic transfer schemes, and supports Zone Selective Interlocking for selective tripping. Application: Suitable for industrial plants with complex generator protection logic and tight changeover requirements. Feature: 2 analog inputs and 2 analog outputs enable precise metering and protection setpoints. Business Impact: Delivers accurate voltage, current, and power measurements to improve protection accuracy and energy management. Application: Applies to generator protection with metering and differential protections. Feature: Wide power supply range 19-300 VDC / 40-250 VAC and 50/60 Hz compatibility. Business Impact: Facilitates use across varied plant architectures and retrofit projects without power conditioning. Application: Supports both DC-powered control logic and AC-powered plant controllers in mixed environments. Feature: Communication options via D-Sub RS-485 for Modbus RTU and DNP3 RTU. Business Impact: Enables seamless integration with modern SCADA and PM software, reducing engineering time and ensuring interoperability. Application: Essential for centralized monitoring and remote diagnostics in distributed generation plants. Feature: I/O options including URTD Interface, Sensitive Ground Input, IRIG-B, and Trip Coil Monitor. Business Impact: Enhances safety, timing accuracy, and fault localization, while supporting precise trip sequencing. Application: Critical in high-reliability installations such as data centers and critical industrial processes. Feature: Zone selective interlocking and removable terminals with projection mounting. Business Impact: Improves system availability, simplifies installation, and reduces commissioning time. Application: Favorable for retrofit projects and modular control architectures where space and serviceability matter.

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FAQs

Ensure the power supply range matches your plant (19-300 VDC or 40-250 VAC) and use the D-Sub RS-485 interface for Modbus RTU or DNP3 RTU. Mount the unit via projection mounting and connectRemovable terminals for quick wiring. Validate addressing and baud rate settings in the control system to enable seamless integration with SCADA.
The EGR-5000 provides voltage, current, and differential protection, along with power metering and phase protection capabilities. It supports zone selective interlocking and flexible I/O to coordinate trips, enabling fast fault isolation and system reliability in parallel generator configurations.
Yes. The relay is specified for 50/60 Hz operation and supports a wide voltage range (19-300 VDC, 40-250 VAC), making it adaptable for both new installations and retrofits across industries that require reliable generator protection across frequency standards.
Certification details vary by market. The datasheet indicates Compliances as Contact Manufacturer. For CE, SIL, IP ratings, or other region-specific standards, contact Eaton to confirm applicable certifications for your installation.
The relay reduces downtime through rapid fault detection and precise trip coordination, while remote diagnostics and SCADA integration simplify maintenance. Its modular IO and removable terminals accelerate commissioning and future upgrades, delivering lower lifecycle costs for generator protection systems.