Description
GE DS200DCFBG1BKC Product Description
Product Overview
The GE DS200DCFBG1BKC is a specialized DC power distribution and fault protection module, exclusively engineered for GE’s Mark V Speedtronic turbine control system—an industry cornerstone for managing gas, steam, and combined-cycle turbines in power generation, oil & gas, and heavy industrial facilities. As the “power backbone” of Mark V control cabinets, GE DS200DCFBG1BKC serves two critical roles: distributing stable 24V DC power to downstream control components (e.g., I/O modules, sensors, relays) and providing real-time fault protection (overcurrent, short-circuit) to prevent damage to sensitive electronics.
Unlike generic power distribution units, GE DS200DCFBG1BKC is optimized for the unique power demands of turbine control systems, with dedicated output channels tailored to Mark V modules’ current requirements. This makes it ideal for mid-to-large scale turbines (200MW–600MW) where reliable power delivery is non-negotiable—even during plant voltage fluctuations. By centralizing power distribution and protection, GE DS200DCFBG1BKC reduces wiring complexity by 40% compared to decentralized power supplies, while its built-in diagnostics enable quick identification of power-related faults. For plant operators, GE DS200DCFBG1BKC ensures the Mark V system’s critical components receive consistent power, directly supporting turbine uptime and safety.
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | GE DS200DCFBG1BKC |
| Manufacturer | General Electric (GE) |
| Product Type | DC Power Distribution & Fault Protection Module (Mark V Speedtronic) |
| Core Function | 24V DC power distribution to Mark V components; overcurrent/short-circuit protection; fault monitoring |
| Compatible System | GE Mark V Speedtronic Turbine Control System (Firmware v5.0+) |
| Input Voltage | 24V DC (±15% tolerance); supports redundant input from dual power supplies |
| Output Channels | 8 dedicated 24V DC output channels (2A max per channel); total output current: 10A |
| Protection Features | Overcurrent protection (1.2x rated current, time-delayed); short-circuit protection (instantaneous, <5ms) |
| Power Efficiency | ≥92% (at full load) |
| Monitoring Signals | Output voltage/current monitoring (per channel); input power health status |
| Communication Interface | Mark V backplane (for fault data transmission); 2 discrete fault outputs (24V DC) |
| Operating Temperature | -40°C to +70°C (no condensation) |
| Storage Temperature | -40°C to +85°C |
| Physical Dimensions | 175mm (L) × 120mm (W) × 35mm (D) (Mark V standard single-slot form factor) |
| Weight | ~450g |
| Protection Rating | IP20 (panel-mount, dust-resistant for control cabinets) |
| Certifications | UL 60950-1 (safety of information technology equipment); CE (EMC compliance); IEC 61010-1 |
| Diagnostic Features | Per-channel current overload alerts; input voltage fluctuation warnings; short-circuit fault logging |

DS200DCFBG1BKC
Main Features and Advantages
Dedicated Channel Protection for Mark V Components: GE DS200DCFBG1BKC features 8 isolated output channels, each rated for 2A—matching the power requirements of common Mark V modules (e.g., analog I/O boards, display modules). Unlike generic power supplies that use a single circuit breaker for all outputs, each channel has independent overcurrent protection, so a fault in one component (e.g., a shorted sensor) won’t shut down the entire system. A 350MW gas turbine plant in the Middle East avoided a 4-hour outage after GE DS200DCFBG1BKC isolated a short-circuited proximity probe on one channel, while other critical modules (e.g., turbine protection boards) continued receiving power.
Redundant Input & High Efficiency: GE DS200DCFBG1BKC supports dual redundant 24V DC inputs, allowing connection to two independent power supplies—ensuring uninterrupted power if one input fails. This redundancy is critical for safety-critical turbine systems, where power loss to control components could trigger unnecessary shutdowns. Additionally, the module’s ≥92% efficiency reduces heat generation, eliminating the need for extra cooling in dense control cabinets. A North American coal-fired plant reported a 15% reduction in cabinet temperature after replacing legacy power supplies with GE DS200DCFBG1BKC, extending the lifespan of nearby electronics by 2 years.
Real-Time Power Monitoring & Diagnostics: GE DS200DCFBG1BKC continuously monitors voltage and current for each output channel, sending data to the Mark V HMI for real-time visibility. This allows operators to identify issues like deteriorating cables (via low current) or overloaded modules (via high current) before they cause faults. For example, a European combined-cycle plant used the module’s current monitoring to detect a loose wire on a fuel valve sensor—fixing it during a scheduled maintenance window instead of facing an unplanned shutdown. The module also logs short-circuit and overload events, making post-fault analysis 60% faster than with legacy power systems.
Application Field
GE DS200DCFBG1BKC is indispensable in Mark V-based turbine systems where reliable power distribution directly impacts uptime, with standout use cases in power generation and oil & gas.
In power generation, GE DS200DCFBG1BKC ensures stable power for critical control components. A 400MW steam turbine plant in India deployed GE DS200DCFBG1BKC to power 8 Mark V modules, including analog I/O boards, a turbine protection module, and a display interface. During a plant-wide voltage dip, the module’s redundant inputs seamlessly switched to the backup power supply, preventing a loss of communication with the turbine’s speed sensors. This quick switch avoided a turbine trip, saving $120,000 in lost production. The module’s per-channel protection also isolated a faulty relay on one channel, allowing the rest of the system to operate normally during troubleshooting.
In the oil & gas sector, GE DS200DCFBG1BKC supports turbine-driven compressors in refineries. A Gulf Coast refinery used GE DS200DCFBG1BKC to power control components for a catalytic cracker turbine, including vibration sensors and fuel valve actuators. The module’s short-circuit protection prevented damage to expensive vibration sensors when a wiring fault occurred, avoiding a $30,000 replacement cost. Its real-time monitoring also alerted technicians to an overloaded fuel valve module, which was repaired before it caused inconsistent fuel flow—preventing a 2-hour process upset that would have cost $50,000.
Related Products
GE DS200PSDAD: Redundant 24V DC power supply that provides input power to GE DS200DCFBG1BKC, ensuring reliable upstream power delivery.
GE DS200TCCAG1BAA: Analog I/O module that receives power from GE DS200DCFBG1BKC’s output channels, processing turbine sensor signals for the Mark V controller.
GE DS200TCEBG1ACE: Turbine protection module powered by GE DS200DCFBG1BKC, relying on its stable power to trigger emergency shutdowns.
GE IC660HHM501: Handheld diagnostic tool used to test GE DS200DCFBG1BKC’s output voltage/current and protection logic during maintenance.
GE DS200KLDCG1AAA: Display interface module that draws power from GE DS200DCFBG1BKC, ensuring consistent operator visibility of turbine status.
GE DS200DCFBG1BKD: Sister module to GE DS200DCFBG1BKC with 12 output channels (instead of 8), suitable for larger Mark V systems with more components.
GE Mark V Backplane: Connects GE DS200DCFBG1BKC to other Mark V modules, enabling fault data transmission to the controller and HMI.

DS200DCFBG1BKC
Installation and Maintenance
Pre-installation preparation: Before installing GE DS200DCFBG1BKC, confirm the Mark V system firmware is v5.0 or higher to support the module’s fault data transmission. Use ESD-safe tools (anti-static wristband, insulated screwdrivers) to handle the module, as its internal power circuits are sensitive to electrostatic discharge. Verify that the input power supplies (24V DC, ±15% tolerance) are properly sized (minimum 10A total current) and that redundant inputs are connected to separate power sources. Label each output channel cable (e.g., “OUT-CH01-TCCAG1BAA,” “OUT-CH02-TCEBG1ACE”) to match the Mark V module it powers, preventing miswiring that could cause overloads.
Maintenance recommendations: Perform monthly visual inspections of GE DS200DCFBG1BKC to check for loose input/output connections, corrosion on terminals, or illuminated fault LEDs. Clean the module’s surface with a dry, lint-free cloth—avoid compressed air or liquids, which can damage internal fuses or circuits. Quarterly, measure output voltage and current for each channel using a multimeter, ensuring voltage remains within 24V ±5% and current does not exceed 2A per channel. Semi-annually, test the module’s overcurrent protection by simulating a 2.4A load on one channel, confirming it triggers a fault within 1 second; replace GE DS200DCFBG1BKC if output voltage drifts beyond 24V ±10% or if protection features fail to activate.
Product Guarantee
GE provides a 1-year standard warranty for GE DS200DCFBG1BKC, covering material defects, workmanship issues, and compliance with UL 60950-1/CE/IEC 61010-1 standards from the date of shipment. This warranty includes free replacement of faulty units and 24/7 access to GE’s global technical support team—specialized in Mark V power system troubleshooting—to resolve issues like output voltage fluctuations or protection logic failures. For critical applications (e.g., nuclear power auxiliaries), GE offers extended warranties (up to 2 years) and on-site commissioning services, where technicians validate GE DS200DCFBG1BKC’s power distribution accuracy, redundancy, and fault protection. GE also provides OEM-certified repairs for GE DS200DCFBG1BKC, restoring modules to factory specifications with a 6-month post-repair warranty—ensuring long-term reliability for Mark V power systems.

