GE DS200EXPSG1A DS200EXPSG1ABB Power Supply Board
Description
| Manufacture | GE |
| Model | DS200EXPSG1A DS200EXPSG1ABB |
| Ordering information | DS200EXPSG1A DS200EXPSG1ABB |
| Catalog | MARK V |
| Description | GE DS200EXPSG1A DS200EXPSG1ABB Power Supply Board |
| Origin | USA |
| HS Code | 3595861133822 |
| Dimension | 3.2cm*10.7cm*13cm |
| Weight | 0.3kg |
Details
About DS200EXPSG1ABB
DS200EXPSG1ABB serves as a power supply card tailored for GE Mark V turbine control platforms. Classified under GE’s Speedtronic Mark V product lineup, this hardware unit is engineered to regulate and monitor industrial turbine equipment. It delivers input signal acquisition for both alternating and direct current power detection, alongside built-in current limiting protection when powered by the matching station backup battery.
All technical data below is extracted from official GE service handbooks for reference. It should be noted that this circuit board has undergone three major design revisions, which may result in minor dimensional discrepancies between different batches.
Hardware Specifications & Key Features
The DS200EXPSG1ABB integrates a full set of dedicated electronic parts as listed below:
- Inductive coils
- Wiring terminal strips
- Multi-pin plug ports
- Isolation transformer
- Multiple rectifier modules
- Pre-drilled mounting apertures
A standout hardware characteristic is a single adjustable jumper labeled JP1 on the PCB surface. This component links the center tap of the T1 transformer’s secondary winding to ground. For comprehensive setup guidelines, technicians may consult GE manual GEI-100168, titled Configurable Hardware for Bulk Power Supply Board. When carrying out board replacement, always align the JP1 jumper position identically to the original unit being swapped out to guarantee consistent operational performance.
Potential purchasers should also take note of the circuit board’s surface protection treatment, a distinctive trait of this obsolete Mark V legacy spare part. The DS200 series variant features standard PCB surface coating, thicker than premium conformal coatings deployed on most other GE control cards yet lacking the complete, multi-layered insulating coverage provided by conformal film. The suffix "G1" within the part number DS200EXPSG1ABB denotes this standard coating configuration.
Installation Guidance & Safety Protocols
Owing to its standard surface finish without enhanced anti-static conformal coating, extra static and high-voltage safety precautions are mandatory during all handling operations, consistent with other legacy Mark V circuit boards.
- Prior to inspection or replacement work, fully power down all linked devices interfaced with the DS200EXPSG1ABB unit.
- Disassemble every bulk power supply assembly before board swapping, and verify zero residual voltage across all power connection terminals.
- Dismantle the power supply module by gently detaching all wired connectors first, then unfasten the four mounting bolts before lifting the assembly out of the control cabinet.
- Static-resistant apparel and insulating gloves are strongly recommended for the entire disassembly and fitting workflow.
- After unplugging DCPL, 3GDPL and 4GDPL terminals from the defective original EXPS board, slot the new DS200EXPSG1ABB card into its designated cabinet slot.
- Complete the installation by reattaching all previously disconnected wiring connectors, then secure the bulk power supply assembly back into the cabinet frame.














