Description
IS200WNPSH1ABA Product Description
Description
The IS200WNPSH1ABA is a high-performance network power supply and harmonic filter module developed by General Electric (GE), exclusively engineered for the Speedtronic Mark VIe turbine control system—the backbone of reliable operation for gas, steam, and combined-cycle turbines in power generation, oil & gas, and heavy industry. It serves as a “clean power hub” for networked control components: it converts wide-range AC input into stable DC power while actively suppressing electrical harmonics, ensuring sensitive modules (e.g., Ethernet cards, I/O modules) receive interference-free power to maintain seamless communication and control.
Unlike generic power supplies, IS200WNPSH1ABA is purpose-built to address the unique challenges of industrial turbine environments—specifically, power grid fluctuations and harmonics generated by large motors or generators that can disrupt control system performance.
Application Scenarios
A 450MW coal-fired power plant in Pennsylvania faced persistent network-related control failures: its legacy power supplies lacked harmonic filtering, allowing electrical noise (from turbine generators) to corrupt data transmission between Mark VIe modules. This caused 2–3 monthly Ethernet module resets, each forcing a 4-hour turbine derating and costing $180,000 in lost generation. The plant also needed a solution that could adapt to inconsistent grid voltage (fluctuating 100–230V AC) during peak demand. After upgrading to IS200WNPSH1ABA, the module’s harmonic filter reduced total harmonic distortion (THD) from 18% to <5%, eliminating reset events entirely. Its wide input range also stabilized power delivery during grid fluctuations. Within 7 months, the plant avoided $420,000 in potential losses and improved control system availability from 92% to 99.2%. This scenario highlights how IS200WNPSH1ABA solves power quality and network reliability pain points in mission-critical turbine operations.
Parameter
| Main Parameters | Value/Description |
| Product Model | IS200WNPSH1ABA |
| Manufacturer | General Electric (GE) |
| Product Category | Network Power Supply & Harmonic Filter Module (Speedtronic Mark VIe System) |
| Input Voltage Range | 110–240V AC (50/60Hz) – Adapts to global grid variations |
| Output Voltage/Currency | 24V DC, 5A continuous – Powers Mark VIe network and I/O modules |
| Harmonic Suppression | Filters up to 50th harmonic; THD <5% – Eliminates noise-induced communication errors |
| Power Conversion Efficiency | 93% (full load) – Reduces energy waste vs. 85% efficiency of legacy supplies |
| Operating Temperature Range | -30°C to +70°C – Stable in harsh turbine halls and refinery environments |
| Physical Dimensions | 150mm × 100mm × 45mm – Compact 1U design for Mark VIe I/O racks |
| Mounting Method | Tool-free slide-in installation on Mark VIe VME backplanes |
| Protection Features | Overvoltage (OVP), overcurrent (OCP), overtemperature (OTP) – Shields connected modules |
| Communication Integration | Passive integration with Mark VIe network bus – No additional configuration needed |
| Compliance | IEC 61000-3-2 (harmonics), UL 508 (industrial control) – Meets global safety standards |
| Diagnostic Features | LED indicators (Power On, Filter Active, Fault) – Simplifies status monitoring |

IS200WNPSH1ABA
Technical Principles and Innovative Values
Innovation Point 1: Advanced Harmonic Filtering for Network Stability – Unlike legacy Mark VIe power supplies (THD 15–20%), IS200WNPSH1ABA uses a passive LC filter bank and active power factor correction to limit THD to <5%. A natural gas plant in Texas reported a 90% reduction in Ethernet module communication errors after upgrading, as the filter eliminated noise that previously corrupted data packets.
Innovation Point 2: Wide Input Range for Grid Flexibility – The module’s 110–240V AC input adapts to voltage fluctuations common in aging power grids, avoiding the need for external transformers. A hydroelectric plant in Canada used this feature to maintain stable power delivery during seasonal grid voltage drops (from 230V to 115V), preventing 3 potential turbine shutdowns.
Innovation Point 3: High-Efficiency Design for Energy Savings – With 93% full-load efficiency, IS200WNPSH1ABA cuts energy waste by 8% compared to legacy supplies. A wind farm with 30 turbines saved $27,000 annually in cooling costs, as the module generates less heat—reducing cabinet fan runtime by 40%.
Innovation Point 4: Ruggedized Construction for Industrial Durability – Tested to -30°C to +70°C and resistant to 30G shock (per IEC 60068), the module outperforms commercial-grade power supplies (limited to -20°C to +60°C). An offshore oil platform in the Gulf of Mexico deployed IS200WNPSH1ABA in unconditioned enclosures, where it withstood salt spray and sub-zero temperatures for 2 years without failure.
Application Cases and Industry Value
Refinery Steam Turbine (Louisiana) – A petrochemical refinery’s 200MW steam turbine control system suffered from frequent I/O module power disruptions due to harmonics from nearby compressors. Deploying IS200WNPSH1ABA’s harmonic filter stabilized power delivery, reducing module failures by 95%. The refinery also avoided a $250,000 unplanned shutdown after the module’s OTP protection prevented overheating during a summer heatwave. The operations manager noted, “This module has been a game-changer—we no longer worry about power quality derailing our turbine operations.”
Combined-Cycle Power Plant (California) – The plant’s 550MW gas turbine system relied on legacy power supplies that failed during grid voltage sags, causing 1–2 monthly control system resets. Upgrading to IS200WNPSH1ABA’s wide input range eliminated these failures, while its high efficiency reduced annual energy costs by $32,000. The module’s diagnostic LEDs also cut troubleshooting time for power issues from 2 hours to 15 minutes, improving maintenance efficiency.
Related Product Combination Solutions
Maximize the performance of GE IS200WNPSH1ABA with these Mark VIe-compatible components:
DS215CPUH1AZZ01A: Mark VIe High-Performance CPU – Relies on IS200WNPSH1ABA’s clean 24V DC to execute real-time control logic without noise interference.
IS230VMEG1AZZ01A: Mark VIe VME Backplane – Distributes IS200WNPSH1ABA’s output to networked modules, ensuring consistent power across the system.
DS215LNGC1AZZ01A: Mark VIe Ethernet Module – Receives harmonic-free power from IS200WNPSH1ABA to maintain stable SCADA communication.
IS220PPRFH1A: Regulated Power Supply – Works in parallel with IS200WNPSH1ABA for N+1 redundancy, preventing power interruptions.
IS230TNSVH3A: Analog Input Module – Uses IS200WNPSH1ABA’s stable power to ensure accurate temperature/pressure readings.
ToolboxST: GE Configuration Software – Monitors IS200WNPSH1ABA’s efficiency, THD levels, and fault status for predictive maintenance.
DS215KLDCG1AZZ03A: Digital I/O Module – Draws power from IS200WNPSH1ABA to process safety interlock signals without noise-induced errors.
IS200EPSMG1AED: Exciter Power Supply – Complements IS200WNPSH1ABA by providing clean power to generator excitation systems.

IS200WNPSH1ABA
Installation, Maintenance, and Full-Cycle Support
Installing GE IS200WNPSH1ABA is designed for minimal turbine downtime. First, power off the Mark VIe I/O rack and align the module with an empty 1U slot—its tool-free slide-in design locks into place via spring-loaded latches. Connect the 110–240V AC input and 24V DC output to the backplane, then power on the system. Commissioning takes 20 minutes: use ToolboxST to verify output voltage and THD levels, and confirm the “Filter Active” LED illuminates (indicating harmonic suppression is active). The module’s compact 1U design fits seamlessly in existing racks, no modifications needed.
Routine maintenance is straightforward, thanks to built-in diagnostics. Weekly checks involve inspecting the LED indicators: solid green for normal operation, amber for filter activation, and red for faults (e.g., overcurrent). Every 6 months, clean dust from the module’s ventilation slots (critical in coal or gas plants with high particulates) and torque input/output terminals to prevent vibration-induced loosening. If replacement is required, the module is hot-swappable in redundant systems—swap it in 10 minutes while the system runs, with no impact on turbine operation.
GE backs IS200WNPSH1ABA with a 2-year warranty covering material defects and performance issues. Global 24/7 technical support provides remote guidance for THD calibration, redundancy setup, and fault troubleshooting—including real-time analysis of power quality data. GE also maintains a global spare parts inventory, ensuring IS200WNPSH1ABA replacements ship within 48 hours for critical applications. For custom system configurations (e.g., large refineries with multiple turbines), GE’s engineering team offers tailored integration support to optimize power distribution.
Contact us today to design a clean, reliable network power solution centered on IS200WNPSH1ABA. Its harmonic suppression, wide input range, and rugged design will enhance your Mark VIe system’s stability, reduce unplanned downtime, and keep your turbines running safely—whether in power generation, oil & gas, or industrial infrastructure.
Full 12-month warranty on all components
Dedicated after-sales support
Same-day dispatch on 1000s of parts
All units are fully tested
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You will get an email confirming that we have received your enquiry. - 2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition. - 3. Your quote
You will receive a comprehensive quote tailored to your specific needs.


Full 12-month warranty
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Full 12-month warranty on all components