Eaton EGR-5000-2A1BB1 Generator Relay - Modbus RS-485
Part Number: EGR-5000-2A1BB1
Quick Summary
Eaton generator relay is a purpose-built protection device that ensures reliable generator operation in industrial power systems. Operators often struggle with coordinating multiple protection schemes, which can cause nuisance trips or missed faults during transitions. While the data here notes manufacturer-based compliance, generator protection relays in this class typically align with CE safety requirements and regional approvals; confirm SIL readiness and enclosure IP ratings with Eaton for your application. This model supports Modbus RTU or DNP3 RTU over RS-485, a wide supply range, and extensive I/O, delivering robust protection while simplifying integration with SCADA and plant-wide automation. By combining accurate sensing, flexible configuration, and durable construction, it delivers business value through reduced downtime, safer operation, and lower maintenance costs.
Product Information
Extended Description
EGR-5000-2A1BB1 Eaton: Eaton, generator relay, EGR-5000, Generator protection relay, Modbus RTU or DNP3 RTU over RS485, 5A, 1A, 40-250 Vac, 19-300 Vdc, 16, 9,Generator, over RS-485,19-300Vdc, 40-250Vac, 50/60 Hz, Projection, Sensitive Ground Input
Product Name
Eaton generator relay
Catalog Number
EGR-5000-2A1BB1
UPC
786679150177
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
0
Analog outputs
0
Base relay
EGR-5000
Conformal coating
Conformal Coated Circuit Boards
Current sensing inputs
2
Digital inputs
16
Digital outputs
9
I/O options
URTD Interface IRIG-B Sensitive Ground Input Trip Coil Monitor
Modbus / DNP3 RTU
over RS-485
Phase current
5A, 1A
Sensing inputs
Voltage Protection and Metering Power Protection and Metering Differential Protection Current Protection and Metering
Zone selective interlocking
1
Number of inputs
16
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 the relay offers a broad, scalable protection platform with 16 digital inputs and 9 outputs, plus 2 current sensing inputs. Business impact: enhanced protection coordination and faster response to faults, reducing unplanned outages. Application: ideal for generator protection in manufacturing lines, data centers, and emergency power installations. Feature the wide power supply range 19-300 Vdc and 40-250 Vac. Business impact: supports both DC and AC powered gensets, simplifying retrofits and minimizing cabling diversity. Application: simplifies installation in mixed-voltage environments and accelerates commissioning. Feature removable terminals and projection mounting. Business impact: easier retrofit, safer field service, and faster panel upgrades. Application: supports retrofit projects and compact control rooms where space and access matter. Feature IRIG-B input, Trip Coil Monitor, URTD interface, and sensitive ground input. Business impact: precise timing, reliable fail-safe monitoring, and enhanced diagnostics. Application: aligns with wind, microgrid, and backup generation systems requiring synchronized protection. Feature Conformal Coated Circuit Boards. Business impact: improved reliability in harsh environments and damp panel conditions. Application: plant floors and generator rooms with higher humidity or exposure to dust. Feature Modbus/DNP3 RTU over RS-485 and 50/60 Hz capability. Business impact: seamless integration with SCADA and automation, enabling centralized control and data logging. Application: utility-scale or critical facilities with scalable communications. Feature 0 analog inputs, 16 digital inputs, 9 digital outputs. Business impact: discrete protection logic with straightforward monitoring and control. Application: straightforward protection schemes where analog metering is handled by other devices. Feature URTD Interface, IRIG-B, and Sensitive Ground Input. Business impact: expanded interoperability and precise time-stamping for event correlation. Application: coordinated protection in complex multi-system environments.
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FAQs
The relay uses 16 digital inputs, 9 outputs, and removable terminals for straightforward panel retrofits. With Modbus RTU or DNP3 RTU over RS-485, it can integrate into established SCADA or protection networks, minimizing rewiring and downtime during upgrades.
Key specs include 16 digital inputs, 9 digital outputs, 2 current sensing inputs, a power supply range of 19-300 Vdc or 40-250 Vac, and 50/60 Hz operation. It supports voltage sensing inputs and is designed for generator protections such as start/stop, over/under protection, and metering coordination.
Yes. The EGR-5000-2A1BB1 is specified for 50/60 Hz operation, enabling use across global facilities. Always verify your system frequency configuration during commissioning to ensure proper protection timing and relay logic.
The product data indicates manufacturer-based compliances; typical generator protection relays align with CE and regional safety requirements. For SIL readiness and IP-rated configurations, consult Eaton’s technical documentation and confirm certifications for your exact installation and regulatory region.
The modular, solid-state design reduces nuisance trips and streamlines diagnostics, which lowers maintenance hours. Integrated RS-485 communications and removable terminals accelerate commissioning and future upgrades, delivering business value through higher availability and safer operation of critical genset assets.