Description
🔹 Product Description
The GE General Electric IS200EPDMG1B, also identified as IS200EPDMG1BAA, is an Exciter Power Distribution Module used in GE Mark VI and EX2100 excitation control systems. The board provides power distribution and protection for associated excitation-system circuits. Available technical information identifies 125 VDC station-battery input and 115 VAC auxiliary input, with the internal DC bus arranged around P125V and N125V. The board includes fused outputs, manual isolation switches, terminal connections, and status indication for monitoring and maintenance.
🔹 Product Datasheet
| Parameter | Value |
|---|---|
| Brand | GE General Electric |
| Model | IS200EPDMG1B / IS200EPDMG1BAA |
| Series | Mark VI / EX2100 |
| Product Name | Exciter Power Distribution Module |
| Functional Type | Power Distribution Board |
| Place of Manufacture | USA |
| Product Status | New – Open Box |
| Dimensions | Approx. 180 × 180 × 30 mm |
| Weight | Approx. 0.8 kg |
| Power | 125 VDC station battery; 115 VAC auxiliary input |
| Discontinued | Legacy product; verify system compatibility before replacement |
🔹 Common Questions & Answers
Q: What is the IS200EPDMG1B used for?
A: It is used to distribute and protect electrical power within GE EX2100 excitation control systems associated with Mark VI applications.
Q: Is IS200EPDMG1BAA the same board?
A: IS200EPDMG1BAA is an associated extended identification for the IS200EPDMG1B assembly. Always compare the complete board markings before replacement.
Q: What is the primary DC input?
A: Technical specifications identify a 125 VDC station-battery source as the main input.
Q: Does the board accept AC power?
A: Available specifications identify a 115 VAC auxiliary source, typically associated with the excitation power architecture.
Q: What protection features are provided?
A: The board incorporates fused output circuits and manual isolation switches for associated loads.
Q: What does the green LED indicate?
A: The board uses green LED indication to provide power/status information. The exact indication should be interpreted according to the applicable GE system documentation.
Q: What should be checked before installation?
A: Verify the complete part number, board revision, excitation-system configuration, input voltage, output fuse arrangement, terminal wiring, and cabinet documentation.
Q: What should be checked if an output circuit loses power?
A: Check the incoming supply, corresponding fuse, isolation switch, terminal connections, wiring, and downstream load before replacing the board.
Q: Is this an I/O module?
A: No. It is primarily a power-distribution module for the excitation control system rather than a conventional signal I/O board.
🔹 Recommended GE Models
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- IS200ESYSH1A — EX2100 Exciter System Board
- IS200ESYSH2A — EX2100e System I/O Board
- IS200ERAXH1A — Excitation Control Auxiliary Board
- IS200ERDDH1A — EX2100 Dynamics Discharge Board
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