Eaton EGR-5000-2B1GA0 Generator Relay - RS-485 Modbus
Part Number: EGR-5000-2B1GA0
Quick Summary
Generator Relay is Eaton's EGR-5000-2B1GA0 designed for robust generator protection in critical power systems. The unit addresses the ongoing challenge of protecting generators while minimizing nuisance trips and wiring complexity. Typical certifications for generator protection relays include CE, SIL-based protection logic, and IP-rated enclosures; exact ratings are available through Eaton on request. With Modbus RTU or DNP3 RTU over RS-485 and broad input/output capabilities, this relay supports fast fault isolation and seamless integration with existing protection schemes. The result is increased asset uptime, reduced maintenance costs, and improved operator confidence in complex power environments.
Product Information
Extended Description
EGR-5000-2B1GA0 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 , Sensitive Ground Input,
Product Name
Eaton generator relay
Catalog Number
EGR-5000-2B1GA0
UPC
786679147863
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
Power Protection and Metering Current Protection and Metering Differential Protection Voltage 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
Semi-flush
Terminals
Removable
Voltage sensing inputs
1
Feature: Wide power-supply range supports both 19-300 Vdc and 40-250 Vac, enabling use across mixed plant configurations. Business Impact: Simplifies procurement and stocking, reduces installation errors, and improves startup time for diverse generator sets. Application: Plants with mixed DC and AC power sources seeking flexible protection without custom adapters. Feature: Modbus RTU and DNP3 RTU over RS-485 enables standard integration with plant SCADA and energy management systems. Business Impact: Enhances remote monitoring, simplifies data logging, and accelerates fault diagnosis. Application: Utilities and data centers requiring interoperable protection communication. Feature: 8 digital inputs, 2 analog inputs, 2 analog outputs, and 9 outputs provide rich I/O for complex protection logic. Business Impact: Enables zone protection, differential and voltage protection schemes without external I/O cabinets. Application: Generator protection relays in multi-generator configurations. Feature: URTD Interface, IRIG-B time reference, and Trip Coil Monitor options improve timing accuracy and fault-coordination. Business Impact: Reduces mis-timing events and shortens maintenance windows with precise time stamping. Application: Critical protection schemes and time-synchronised operations. Feature: Removable terminals and semi-flush mounting support faster installation and easier field servicing. Business Impact: Lowers commissioning time, simplifies future upgrades, and reduces labor costs. Application: Panel installations in confined spaces or retrofit projects. Feature: Zone Selective Interlocking (ZSI) capability improves selective tripping. Business Impact: Minimizes outages and enhances system stability by isolating faults at the nearest point of protection. Application: Large industrial plants with multiple generator sections. Feature: 50/60 Hz operation with 19-300 Vdc / 40-250 Vac input ranges ensures compatibility with regional power standards. Business Impact: Reduces cross-border installation complexity and improves global deployability. Application: International facilities and OEM integrations.
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FAQs
Installation of the EGR-5000-2B1GA0 follows standard generator protection relay practice. Begin with mounting in a ventilated panel space, then connect the removable terminals for the 8 digital inputs, 9 outputs, and 2 analog channels. Use the semi-flush mounting option for a tidy panel profile. Verify power supply is within 19-300 Vdc or 40-250 Vac and ensure RS-485 wiring is correctly terminated for Modbus RTU or DNP3 RTU communication.
The relay accepts a dual-supply range: 19-300 Vdc or 40-250 Vac, with 50/60 Hz operation. It provides 5 A and 1 A phase current sensing options and supports 8 digital inputs, 2 analog inputs, and 2 analog outputs plus 9 digital outputs. Ensure proper wiring for the URTD interface and any sensitive ground input configurations to maintain signal integrity.
Yes. The EGR-5000-2B1GA0 supports Modbus RTU and DNP3 RTU over D-Sub RS-485, enabling seamless integration with existing SCADA, protection, and energy management platforms. When planning deployment, ensure correct RS-485 termination, assign unique node addresses, and configure the protocol settings to match your supervisory system for reliable data exchange and control commands.
The EGR-5000-2B1GA0 delivers comprehensive protection for generator systems, including voltage and current protection with metering, differential protection, and phase sensing inputs. It supports zone selective interlocking, trip coil monitoring, and IRIG-B time reference options to ensure precise protection coordination. This combination reduces misoperations and improves overall system reliability in demanding environments.
Warranty terms follow Eaton's policy 25-000, offering one year from the date of installation or eighteen months from shipment, whichever occurs first. Regular maintenance should focus on updating firmware if available, inspecting terminal connections, and validating communication links (Modbus/DNP3 over RS-485) during scheduled outages to sustain protection performance.