F31X135PRGBEG1 GE Controller | New Original Surplus

  • Model: F31X135PRGBEG1
  • Brand: GE (General Electric)
  • Series: Excitation / Power Conversion Control Platform
  • Core Function: Advanced generator protection relay board with Ethernet communication for remote monitoring and control.
  • Product Type: Generator Protection Relay Board with Ethernet
  • Key Specs: Comprehensive protection functions | Ethernet communication | Remote monitoring | Expanded I/O
  • Condition: ⚠️ Discontinued – New Surplus / OEM stock. Rare Ethernet-enabled generator protection variant.
Manufacturer:

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Description

 

Product Introduction

This GE F31X135PRGBEG1 is an advanced generator protection relay board with Ethernet communication capability for GE’s excitation and power conversion control platforms. The “E” suffix indicates the inclusion of Ethernet connectivity, enabling remote monitoring and control of the generator protection system. This board is designed for applications where protection status and fault data must be accessible from a remote location.

The board provides comprehensive generator protection functions—overvoltage, undervoltage, overcurrent, frequency protection, and loss of excitation protection. The Ethernet interface allows communication with SCADA systems, remote monitoring software, and plant automation networks. The board includes expanded I/O, enhanced fault logging, and diagnostic features for generator protection.

 

Key Technical Specifications

Parameter Value
Manufacturer GE (General Electric)
Model Number F31X135PRGBEG1
Product Type Generator Protection Relay Board with Ethernet
Input Voltage 24 VDC (from system power supply)
Protection Functions Overvoltage, undervoltage, overcurrent, frequency protection, loss of excitation
Ethernet Interface 10/100 Mbps (Modbus TCP or proprietary)
Relay Outputs Expanded dry contact outputs
Fault Logging Enhanced onboard memory for event recording
Status Indication LED indicators for power, trip, and communication
Communication Backplane connector and Ethernet
Operating Temperature 0 to +55 °C
Storage Temperature -40 to +85 °C
Board Dimensions Standard 6U or custom form factor

 

Key Selling Points & Differentiators

  • Ethernet Communication: Enables remote monitoring and control of generator protection. Access fault status and event logs from a control room or SCADA system.
  • Comprehensive Generator Protection: Provides overvoltage, undervoltage, overcurrent, frequency protection, and loss of excitation protection.
  • Remote Diagnostics: Perform diagnostics and review fault logs remotely, reducing on-site visits.
  • Quantified Testing Protocol: We test all protection functions for accurate setpoint response, verify Ethernet communication, and confirm remote data access.
  • Warranty & Support: 2-year functional warranty with application support.

 

Frequently Asked Questions (FAQ)

Q1: What is the difference between the PRGBEG1 and the PRGBBG1?

A: The PRGBBG1 is the standard generator protection board without communication. The PRGBEG1 adds Ethernet connectivity for remote monitoring and control.

Q2: What Ethernet protocols does the board support?

A: The board supports Modbus TCP and GE’s proprietary protocols. We can confirm the specific protocol version for the boards in our inventory.

Q3: Can I monitor generator protection status from a remote location?

A: Yes, the Ethernet interface enables remote monitoring of protection status, fault events, and diagnostic information from a SCADA system or remote workstation.

Q4: Is the Ethernet interface isolated?

A: Yes, the Ethernet interface is transformer-isolated from the board’s logic and protection circuits, providing protection against ground loops and electrical noise.

Q5: What is the lifecycle status of the PRGBEG1?

A: This board is extremely rare. GE produced the PRGBEG1 in very limited quantities. We have a very small batch of new surplus units. If your system requires Ethernet-enabled generator protection, we strongly recommend securing a spare. We do not expect to source more of this variant.

A-B 6155R-NPXP
A-B 1756-CN2R
WESTINGHOUSE 1C31234G01

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