Overview
The GE IS200WNPSH1ABA, also cataloged as the IS200WNPSH1A Power Supply Daughter Card, operates as a dedicated power conversion component for regulated voltage distribution within GE Mark VI turbine control boards.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IS200WNPSH1A (IS200WNPSH1ABA) |
| Brand | GE |
| Product Type | Power Supply Daughter Card |
| Series | Mark VI / IS200 |
| Origin | USA |
| Input Voltage | 18 VDC to 36 VDC |
| Output Voltages | +5 VDC, +3.3 VDC, +12 VDC, -12 VDC, +24 VDC |
| Backup Function | 5.5 V supercapacitor array with up to 48-hour backup capability |
| Protection Features | Channel-based overcurrent and short-circuit protection |
| Mounting Type | Direct installation on main control board as daughter card |
Backplane Power Regulation and Firmware Flash Compatibility
The GE IS200WNPSH1A supports the Mark VI control platform by providing multiple regulated DC voltage rails for processor, memory, and logic circuits. In addition, the module maintains stable power delivery between the daughter card and host board interfaces.
The Mark VI architecture requires controlled power sequencing and consistent voltage regulation for embedded control electronics. Therefore, the IS200WNPSH1A uses protection circuits to limit electrical faults during abnormal load conditions.
The module design supports GE industrial control hardware requirements, including firmware flash compatibility within the Mark VI board environment and stable operation of controller electronics connected through the internal board structure.
Frequently Asked Questions
Q: What voltage inputs does the GE IS200WNPSH1A Power Supply Daughter Card accept?
A: The module accepts an input voltage range of 18 VDC to 36 VDC and generates multiple regulated outputs including +5 VDC, +3.3 VDC, +12 VDC, -12 VDC, and +24 VDC.
Q: Does the IS200WNPSH1A provide backup power during input interruption?
A: Yes. The module includes a 5.5 V supercapacitor array designed to provide backup power support for up to 48 hours under specified operating conditions.
Q: Can the IS200WNPSH1A operate as an independent power supply module?
A: No. The IS200WNPSH1A functions as a daughter card and requires installation on the compatible GE Mark VI control board assembly.
Field Installation Guidelines
- Verify the board compatibility before installation into the Mark VI control rack assembly.
- Disconnect system power before removing or installing the daughter card to prevent electrical damage.
- Inspect connector pins and board contacts for contamination or mechanical damage before mounting.
- Maintain proper grounding practices between the control board assembly and cabinet grounding system.
- Route power and signal wiring separately to reduce electrical interference.
- Confirm input voltage polarity before energizing the control system.
- After installation, verify output voltage rails according to the applicable GE Mark VI maintenance documentation.

















