Description
Product Introduction
This GE F31X139APMABG2 is an advanced protection and monitoring board for GE’s excitation and power conversion control platforms. The “APM” designation identifies this as an Advanced Protection Module, providing comprehensive protection and monitoring for generators and excitation systems. The “BG2” suffix indicates this is a revision 2 variant, incorporating improvements over the original design.
The board provides multiple protection functions, monitoring capabilities, and fault logging. It is designed for reliable operation in power generation applications, providing the protection and monitoring functions essential for generator and excitation system safety.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | GE (General Electric) |
| Model Number | F31X139APMABG2 |
| Product Type | Advanced Protection Module Board |
| Input Voltage | 24 VDC (from system power supply) |
| Protection Functions | Multiple (voltage, current, frequency, temperature) |
| Monitoring | System parameter monitoring |
| Fault Logging | Onboard memory for event recording |
| Status Indication | LED indicators |
| Communication | Backplane connector |
| Operating Temperature | 0 to +55 °C |
| Storage Temperature | -40 to +85 °C |
| Board Dimensions | Standard 6U or custom form factor |
Key Selling Points & Differentiators
- Comprehensive Protection: Provides multiple protection functions for generator and excitation systems.
- Advanced Monitoring: Monitors system parameters for early fault detection.
- Revision 2 Improvements: The BG2 revision includes design improvements over the original version.
- Quantified Testing Protocol: We test all protection functions and monitoring capabilities under simulated conditions.
- Warranty & Support: 2-year functional warranty with application support.
Frequently Asked Questions (FAQ)
Q1: What is the difference between the APMABG2 and the original APMAB board?
A: The APMABG2 is a revision 2 variant with design improvements over the original board. The specific improvements may include updated components, enhanced protection functions, or improved reliability.
Q2: What protection functions does the APMABG2 provide?
A: The board provides multiple protection functions including voltage, current, frequency, and temperature protection. Consult your system documentation for the specific functions available.
Q3: Does the board include fault logging?
A: Yes, the board includes onboard memory for fault logging with time-stamped events.
Q4: Can the APMABG2 replace the original APMAB board?
A: Yes, the board is mechanically and electrically compatible with the original version. The revision 2 improvements are backward-compatible.
Q5: What is the lifecycle status of the APMABG2?
A: This board is very rare. GE produced the revision 2 variant in limited quantities. We have a very small batch of new surplus units. If your system requires this board, we strongly recommend securing a spare. We do not expect to source more of this variant.

ABB DSQC355A
METSO IOP320
GE IC697ALG440
METSO IOP320
Email: sales@plcfcs.com
Phone:+86 15343416922
Wechat:+86 15343416922
PLC : Allen Bradley , Siemens MOORE, GE FANUC , Schneider
DCS : ABB ,Honeywell, Invensys Triconex , Foxboro , Ovation,YOKOGAWA, Woodword, HIMA
TSI : Triconex , HIMA , Bently Nevada , ICS Triplex
Complete service we offer
Payment: T/T
Delivery: 1-2 days
Shipment: DHL UPS FedEx, etc
After-sales service: Yes, 24/7 hours




Email: jiedong@sxrszdh.com
Phone / Wechat:+86 15340683922

Wechat:+86 15343416922