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Phone: +86 16626708626Description
Key Technical Specifications
- Part Number: DS200EXPSG1A
- Manufacturer: GE
- Series: Mark V / EX2000
- Product Type: Bulk Power Supply Board
- Function: Supplies and conditions power for turbine control systems
- Input Voltage: 3-phase 460 V AC
- Frequency: 60 Hz
- Board Features: 1 reset button, 1 LED, 3 fuses
- Connectors: 3 x 9-pin connectors
- Jumpers: Manual JP1 jumper
- Application: GE turbine control and drive systems
Product Introduction
GE DS200EXPSG1A is a Mark V bulk power supply board used in GE turbine control and drive systems. It conditions power for the control rack and supports the EX2000 family architecture.
This part is chosen when the existing board must match the exact GE form factor and power interface. The board includes a reset button, indicator LED, fuses, and a JP1 jumper, so installation details matter.
- DS200EXPSG1A
- DS200EXPSG1A
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to This Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No board LEDs on power-up | Missing input power or blown fuse | ✅ High | Measure incoming 3-phase supply and check all 3 board fuses | Check supply and fuses before replacing the board |
| Control rack does not energize | Power board not delivering output | ✅ High | Verify output rails with a multimeter at the test points | Confirm input, then isolate the board if rails are missing |
| Intermittent trip or reset | Loose connector or weak fuse | ✅ High | Inspect 9-pin connectors and continuity on harnesses | Reseat connectors and replace only after checking wiring |
| Board runs hot | Overload or failing internal components | ✅ High | Monitor temperature and compare load against site spec | Shut down and verify load before restart |
| System alarms after swap | JP1 jumper set wrong | ✅ High | Compare jumper position with the removed board photo | Mirror the original jumper setting exactly |
| Upstream power is present but board dead | Internal board failure | ✅ Medium | Confirm correct input voltage, then check for output at test points | Replace only after verifying supply and fuses |
Contact technical support with photos, diagnostic logs, and the exact installed rack details if you are still stuck.
Frequently Asked Questions
Q: What is the GE DS200EXPSG1A used for?
A: It is a bulk power supply board for GE Mark V / EX2000 control systems. Its job is to support power distribution and conditioning inside the control architecture.
Q: Is this a direct replacement for the original board?
A: It can be, but only if the part number, rack style, and jumper configuration match. Do not assume any DS200 board will drop in without checking the exact revision.
Q: What should I verify before installing it?
A: Check the input supply, fuse condition, connector pinout, and JP1 jumper position. I would also photograph the old board before removal, because that saves rework later.
Q: Can a bad fuse look like a dead board?
A: Yes. That is a common mistake. A blown fuse or missing input power can mimic a failed power board, so test those first.
Q: Is it hot-swappable?
A: No, do not treat it like a hot-swap module. Kill power first, then remove it. Pulling it live risks damage to the board and the rack.
Q: Why is this part often sold as surplus or rebuilt?
A: GE Mark V hardware is legacy equipment, so factory-new stock is limited. That is why the market often offers new surplus, unused, or tested rebuilt units.
Q: Why does the price vary so much between sellers?
A: Condition, test history, and warranty drive the price. A verified, tested board with documented QC usually costs more than an untested surplus pull.
